Merge pull request #483 from adamretter/restructure-java-build

Restructure java build

.gitignore

@@ -35,6 +35,8 @@ unity
 tags
 
 java/out
+java/target
+java/test-libs
 java/*.log
 java/include/org_rocksdb_*.h
 

Makefile

@@ -635,35 +635,40 @@ libsnappy.a:
 rocksdbjavastatic: libz.a libbz2.a libsnappy.a
 	OPT="-fPIC -DNDEBUG -O2" $(MAKE) $(LIBRARY) -j
 	cd java;$(MAKE) javalib;
-	rm -f ./java/$(ROCKSDBJNILIB)
-	$(CXX) $(CXXFLAGS) -I./java/. $(JAVA_INCLUDE) -shared -fPIC -o ./java/$(ROCKSDBJNILIB) $(JNI_NATIVE_SOURCES) $(LIBOBJECTS) $(COVERAGEFLAGS) libz.a libbz2.a libsnappy.a
-	cd java;strip -S -x $(ROCKSDBJNILIB)
-	cd java;jar -cf $(ROCKSDB_JAR) org/rocksdb/*.class org/rocksdb/util/*.class HISTORY*.md $(ROCKSDBJNILIB)
-	cd java/javadoc;jar -cf ../$(ROCKSDB_JAVADOCS_JAR) *
-	cd java;jar -cf $(ROCKSDB_SOURCES_JAR) org
+	rm -f ./java/target/$(ROCKSDBJNILIB)
+	$(CXX) $(CXXFLAGS) -I./java/. $(JAVA_INCLUDE) -shared -fPIC -o ./java/target/$(ROCKSDBJNILIB) $(JNI_NATIVE_SOURCES) $(LIBOBJECTS) $(COVERAGEFLAGS) libz.a libbz2.a libsnappy.a
+	cd java/target;strip -S -x $(ROCKSDBJNILIB)
+	cd java;jar -cf target/$(ROCKSDB_JAR) HISTORY*.md
+	cd java/target;jar -uf $(ROCKSDB_JAR) $(ROCKSDBJNILIB)
+	cd java/target/classes;jar -uf ../$(ROCKSDB_JAR) org/rocksdb/*.class org/rocksdb/util/*.class
+	cd java/target/apidocs;jar -cf ../$(ROCKSDB_JAVADOCS_JAR) *
+	cd java/src/main/java;jar -cf ../../../target/$(ROCKSDB_SOURCES_JAR) org
 
 rocksdbjavastaticrelease: rocksdbjavastatic
 	cd java/crossbuild && vagrant destroy -f && vagrant up linux32 && vagrant halt linux32 && vagrant up linux64 && vagrant halt linux64
-	cd java;jar -cf $(ROCKSDB_JAR_ALL) org/rocksdb/*.class org/rocksdb/util/*.class HISTORY*.md librocksdbjni-*.so librocksdbjni-*.jnilib
+	cd java;jar -cf target/$(ROCKSDB_JAR_ALL) HISTORY*.md
+	cd java/target;jar -uf $(ROCKSDB_JAR_ALL) librocksdbjni-*.so librocksdbjni-*.jnilib
+	cd java/target/classes;jar -uf ../$(ROCKSDB_JAR_ALL) org/rocksdb/*.class org/rocksdb/util/*.class
 
 rocksdbjavastaticpublish: rocksdbjavastaticrelease
-	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-javadoc.jar -Dclassifier=javadoc
-	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-sources.jar -Dclassifier=sources
-	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-linux64.jar -Dclassifier=linux64
-	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-linux32.jar -Dclassifier=linux32
-	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-osx.jar -Dclassifier=osx
-	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH).jar
+	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/target/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-javadoc.jar -Dclassifier=javadoc
+	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/target/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-sources.jar -Dclassifier=sources
+	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/target/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-linux64.jar -Dclassifier=linux64
+	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/target/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-linux32.jar -Dclassifier=linux32
+	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/target/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-osx.jar -Dclassifier=osx
+	mvn gpg:sign-and-deploy-file -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -DrepositoryId=sonatype-nexus-staging -DpomFile=java/rocksjni.pom -Dfile=java/target/rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH).jar
 
 rocksdbjava:
 	OPT="-fPIC -DNDEBUG -O2" $(MAKE) $(LIBRARY) -j32
 	cd java;$(MAKE) javalib;
-	rm -f ./java/$(ROCKSDBJNILIB)
-	$(CXX) $(CXXFLAGS) -I./java/. $(JAVA_INCLUDE) -shared -fPIC -o ./java/$(ROCKSDBJNILIB) $(JNI_NATIVE_SOURCES) $(LIBOBJECTS) $(JAVA_LDFLAGS) $(COVERAGEFLAGS)
-	cd java;jar -cf $(ROCKSDB_JAR) org/rocksdb/*.class org/rocksdb/util/*.class HISTORY*.md $(ROCKSDBJNILIB)
+	rm -f ./java/target/$(ROCKSDBJNILIB)
+	$(CXX) $(CXXFLAGS) -I./java/. $(JAVA_INCLUDE) -shared -fPIC -o ./java/target/$(ROCKSDBJNILIB) $(JNI_NATIVE_SOURCES) $(LIBOBJECTS) $(JAVA_LDFLAGS) $(COVERAGEFLAGS)
+	cd java;jar -cf target/$(ROCKSDB_JAR) HISTORY*.md
+	cd java/target;jar -uf $(ROCKSDB_JAR) $(ROCKSDBJNILIB)
+	cd java/target/classes;jar -uf ../$(ROCKSDB_JAR) org/rocksdb/*.class org/rocksdb/util/*.class
 
 jclean:
 	cd java;$(MAKE) clean;
-	rm -f $(ROCKSDBJNILIB)
 
 jtest:
 	cd java;$(MAKE) sample;$(MAKE) test;

java/Makefile

@@ -36,12 +36,13 @@ NATIVE_JAVA_CLASSES = org.rocksdb.AbstractComparator\
 	org.rocksdb.StringAppendOperator\
 	org.rocksdb.WriteBatch\
 	org.rocksdb.WriteBatch.Handler\
-	org.rocksdb.test.WriteBatchInternal\
-	org.rocksdb.test.WriteBatchTest\
 	org.rocksdb.WriteOptions\
 	org.rocksdb.WriteBatchWithIndex\
 	org.rocksdb.WBWIRocksIterator
 
+NATIVE_JAVA_TEST_CLASSES = org.rocksdb.WriteBatchTest\
+    org.rocksdb.WriteBatchTestInternalHelper
+
 ROCKSDB_MAJOR = $(shell egrep "ROCKSDB_MAJOR.[0-9]" ../include/rocksdb/version.h | cut -d ' ' -f 3)
 ROCKSDB_MINOR = $(shell egrep "ROCKSDB_MINOR.[0-9]" ../include/rocksdb/version.h | cut -d ' ' -f 3)
 ROCKSDB_PATCH = $(shell egrep "ROCKSDB_PATCH.[0-9]" ../include/rocksdb/version.h | cut -d ' ' -f 3)
@@ -53,98 +54,125 @@ ifeq ($(PLATFORM), OS_MACOSX)
 ROCKSDB_JAR = rocksdbjni-$(ROCKSDB_MAJOR).$(ROCKSDB_MINOR).$(ROCKSDB_PATCH)-osx.jar
 endif
 
-JAVA_TESTS = org.rocksdb.test.BackupableDBOptionsTest\
-        org.rocksdb.test.BackupableDBTest\
-		org.rocksdb.test.BlockBasedTableConfigTest\
-		org.rocksdb.test.CheckPointTest\
-		org.rocksdb.test.ColumnFamilyOptionsTest\
-		org.rocksdb.test.ColumnFamilyTest\
-		org.rocksdb.test.ComparatorOptionsTest\
-		org.rocksdb.test.ComparatorTest\
-		org.rocksdb.test.CompressionOptionsTest\
-		org.rocksdb.test.DBOptionsTest\
-		org.rocksdb.test.DirectComparatorTest\
-		org.rocksdb.test.DirectSliceTest\
-		org.rocksdb.test.EnvironmentTest\
-		org.rocksdb.test.FilterTest\
-		org.rocksdb.test.FlushTest\
-		org.rocksdb.test.InfoLogLevelTest\
-		org.rocksdb.test.KeyMayExistTest\
-		org.rocksdb.test.MemTableTest\
-		org.rocksdb.test.MergeTest\
-		org.rocksdb.test.MixedOptionsTest\
-		org.rocksdb.test.OptionsTest\
-		org.rocksdb.test.PlainTableConfigTest\
-		org.rocksdb.test.ReadOnlyTest\
-		org.rocksdb.test.ReadOptionsTest\
-		org.rocksdb.test.RocksDBTest\
-		org.rocksdb.test.RocksEnvTest\
-		org.rocksdb.test.RocksIteratorTest\
-		org.rocksdb.test.SizeUnitTest\
-		org.rocksdb.test.SliceTest\
-		org.rocksdb.test.SnapshotTest\
-		org.rocksdb.test.TransactionLogIteratorTest\
-		org.rocksdb.test.TtlDBTest\
-		org.rocksdb.test.StatisticsCollectorTest\
-		org.rocksdb.test.WriteBatchHandlerTest\
-		org.rocksdb.test.WriteBatchTest\
-		org.rocksdb.test.WriteOptionsTest\
-		org.rocksdb.test.WriteBatchWithIndexTest
+JAVA_TESTS = org.rocksdb.BackupableDBOptionsTest\
+	org.rocksdb.BackupableDBTest\
+	org.rocksdb.BlockBasedTableConfigTest\
+	org.rocksdb.CheckPointTest\
+	org.rocksdb.ColumnFamilyOptionsTest\
+	org.rocksdb.ColumnFamilyTest\
+	org.rocksdb.ComparatorOptionsTest\
+	org.rocksdb.ComparatorTest\
+	org.rocksdb.CompressionOptionsTest\
+	org.rocksdb.DBOptionsTest\
+	org.rocksdb.DirectComparatorTest\
+	org.rocksdb.DirectSliceTest\
+	org.rocksdb.util.EnvironmentTest\
+	org.rocksdb.FilterTest\
+	org.rocksdb.FlushTest\
+	org.rocksdb.InfoLogLevelTest\
+	org.rocksdb.KeyMayExistTest\
+	org.rocksdb.MemTableTest\
+	org.rocksdb.MergeTest\
+	org.rocksdb.MixedOptionsTest\
+	org.rocksdb.OptionsTest\
+	org.rocksdb.PlainTableConfigTest\
+	org.rocksdb.ReadOnlyTest\
+	org.rocksdb.ReadOptionsTest\
+	org.rocksdb.RocksDBTest\
+	org.rocksdb.RocksEnvTest\
+	org.rocksdb.RocksIteratorTest\
+	org.rocksdb.util.SizeUnitTest\
+	org.rocksdb.SliceTest\
+	org.rocksdb.SnapshotTest\
+	org.rocksdb.TransactionLogIteratorTest\
+	org.rocksdb.TtlDBTest\
+	org.rocksdb.StatisticsCollectorTest\
+	org.rocksdb.WriteBatchHandlerTest\
+	org.rocksdb.WriteBatchTest\
+	org.rocksdb.WriteOptionsTest\
+	org.rocksdb.WriteBatchWithIndexTest
 
-JAVA_TEST_LIBDIR = ./test-libs/
-JAVA_JUNIT_JAR = $(JAVA_TEST_LIBDIR)junit-4.12-beta-2.jar
-JAVA_HAMCR_JAR = $(JAVA_TEST_LIBDIR)hamcrest-core-1.3.jar
-JAVA_MOCKITO_JAR = $(JAVA_TEST_LIBDIR)mockito-all-1.9.5.jar
-JAVA_CGLIB_JAR = $(JAVA_TEST_LIBDIR)cglib-2.2.2.jar
-JAVA_ASSERTJ_JAR = $(JAVA_TEST_LIBDIR)assertj-core-1.7.0.jar
-JAVA_TESTCLASSPATH = $(ROCKSDB_JAR):$(JAVA_JUNIT_JAR):$(JAVA_HAMCR_JAR):$(JAVA_MOCKITO_JAR):$(JAVA_CGLIB_JAR):$(JAVA_ASSERTJ_JAR):.:./*
+MAIN_SRC = src/main/java
+TEST_SRC = src/test/java
+OUTPUT = target
+MAIN_CLASSES = $(OUTPUT)/classes
+TEST_CLASSES = $(OUTPUT)/test-classes
+JAVADOC = $(OUTPUT)/apidocs
+
+BENCHMARK_MAIN_SRC = benchmark/src/main/java
+BENCHMARK_OUTPUT = benchmark/target
+BENCHMARK_MAIN_CLASSES = $(BENCHMARK_OUTPUT)/classes
+
+SAMPLES_MAIN_SRC = samples/src/main/java
+SAMPLES_OUTPUT = samples/target
+SAMPLES_MAIN_CLASSES = $(SAMPLES_OUTPUT)/classes
+
+JAVA_TEST_LIBDIR = test-libs
+JAVA_JUNIT_JAR = $(JAVA_TEST_LIBDIR)/junit-4.12.jar
+JAVA_HAMCR_JAR = $(JAVA_TEST_LIBDIR)/hamcrest-core-1.3.jar
+JAVA_MOCKITO_JAR = $(JAVA_TEST_LIBDIR)/mockito-all-1.10.19.jar
+JAVA_CGLIB_JAR = $(JAVA_TEST_LIBDIR)/cglib-2.2.2.jar
+JAVA_ASSERTJ_JAR = $(JAVA_TEST_LIBDIR)/assertj-core-1.7.1.jar
+JAVA_TESTCLASSPATH = $(JAVA_JUNIT_JAR):$(JAVA_HAMCR_JAR):$(JAVA_MOCKITO_JAR):$(JAVA_CGLIB_JAR):$(JAVA_ASSERTJ_JAR)
 
 clean:
-	-find . -name "*.class" -exec rm {} \;
 	rm -rf include/*
-	rm -rf javadoc/*
 	rm -rf test-libs/
-	rm -rf target
-	rm -rf librocksdbjni*
-	rm -f rocksdbjni*
+	rm -rf $(OUTPUT)
+	rm -rf $(BENCHMARK_OUTPUT)
+	rm -rf $(SAMPLES_OUTPUT)
 
 
 javadocs:
-	mkdir -p javadoc; javadoc -d javadoc -sourcepath . -subpackages org -exclude org.rocksdb.test
+	mkdir -p $(JAVADOC)
+	javadoc -d $(JAVADOC) -sourcepath $(MAIN_SRC) -subpackages org
 
-javalib: java javadocs
+javalib: java java_test javadocs
 
-java: resolve_test_deps
-	javac org/rocksdb/util/*.java org/rocksdb/*.java
-	javac -cp $(JAVA_TESTCLASSPATH) org/rocksdb/test/*.java
+java:
+	mkdir -p $(MAIN_CLASSES)
+	javac -d $(MAIN_CLASSES)\
+		$(MAIN_SRC)/org/rocksdb/util/*.java\
+		$(MAIN_SRC)/org/rocksdb/*.java
 	@cp ../HISTORY.md ./HISTORY-CPP.md
 	@rm -f ./HISTORY-CPP.md
-	javah -d $(NATIVE_INCLUDE) -jni $(NATIVE_JAVA_CLASSES)
+	javah -cp $(MAIN_CLASSES) -d $(NATIVE_INCLUDE) -jni $(NATIVE_JAVA_CLASSES)
 
 sample: java
-	javac -cp $(ROCKSDB_JAR) RocksDBSample.java
+	mkdir -p $(SAMPLES_MAIN_CLASSES)
+	javac -cp $(MAIN_CLASSES) -d $(SAMPLES_MAIN_CLASSES) $(SAMPLES_MAIN_SRC)/RocksDBSample.java
 	@rm -rf /tmp/rocksdbjni
 	@rm -rf /tmp/rocksdbjni_not_found
-	java -ea -Djava.library.path=.:../ -cp ".:./*" -Xcheck:jni RocksDBSample /tmp/rocksdbjni
+	java -ea -Xcheck:jni -Djava.library.path=target -cp $(MAIN_CLASSES):$(SAMPLES_MAIN_CLASSES) RocksDBSample /tmp/rocksdbjni
 	@rm -rf /tmp/rocksdbjni
 	@rm -rf /tmp/rocksdbjni_not_found
 
 column_family_sample: java
-	javac -cp $(ROCKSDB_JAR) RocksDBColumnFamilySample.java
+	mkdir -p $(SAMPLES_MAIN_CLASSES)
+	javac -cp $(MAIN_CLASSES) -d $(SAMPLES_MAIN_CLASSES) $(SAMPLES_MAIN_SRC)/RocksDBColumnFamilySample.java
 	@rm -rf /tmp/rocksdbjni
-	java -ea -Djava.library.path=.:../ -cp ".:./*" -Xcheck:jni RocksDBColumnFamilySample /tmp/rocksdbjni
+	java -ea -Xcheck:jni -Djava.library.path=target -cp $(MAIN_CLASSES):$(SAMPLES_MAIN_CLASSES) RocksDBColumnFamilySample /tmp/rocksdbjni
 	@rm -rf /tmp/rocksdbjni
 
 resolve_test_deps:
 	mkdir -p "$(JAVA_TEST_LIBDIR)"
-	test -s "$(JAVA_JUNIT_JAR)" || curl -k -L -o $(JAVA_JUNIT_JAR) http://search.maven.org/remotecontent?filepath=junit/junit/4.12-beta-2/junit-4.12-beta-2.jar
+	test -s "$(JAVA_JUNIT_JAR)" || curl -k -L -o $(JAVA_JUNIT_JAR) http://search.maven.org/remotecontent?filepath=junit/junit/4.12/junit-4.12.jar
 	test -s "$(JAVA_HAMCR_JAR)" || curl -k -L -o $(JAVA_HAMCR_JAR) http://search.maven.org/remotecontent?filepath=org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar
-	test -s "$(JAVA_MOCKITO_JAR)" || curl -k -L -o "$(JAVA_MOCKITO_JAR)" http://search.maven.org/remotecontent?filepath=org/mockito/mockito-all/1.9.5/mockito-all-1.9.5.jar
+	test -s "$(JAVA_MOCKITO_JAR)" || curl -k -L -o "$(JAVA_MOCKITO_JAR)" http://search.maven.org/remotecontent?filepath=org/mockito/mockito-all/1.10.19/mockito-all-1.10.19.jar
 	test -s "$(JAVA_CGLIB_JAR)" || curl -k -L -o "$(JAVA_CGLIB_JAR)" http://search.maven.org/remotecontent?filepath=cglib/cglib/2.2.2/cglib-2.2.2.jar
-	test -s "$(JAVA_ASSERTJ_JAR)" || curl -k -L -o "$(JAVA_ASSERTJ_JAR)" http://central.maven.org/maven2/org/assertj/assertj-core/1.7.0/assertj-core-1.7.0.jar
+	test -s "$(JAVA_ASSERTJ_JAR)" || curl -k -L -o "$(JAVA_ASSERTJ_JAR)" http://central.maven.org/maven2/org/assertj/assertj-core/1.7.1/assertj-core-1.7.1.jar
 
-test: java resolve_test_deps
-	java -ea -Xcheck:jni -Djava.library.path=.:../ -cp "$(JAVA_TESTCLASSPATH)" org.rocksdb.test.RocksJunitRunner $(JAVA_TESTS)
+java_test: resolve_test_deps
+	mkdir -p $(TEST_CLASSES)
+	javac -cp $(MAIN_CLASSES):$(JAVA_TESTCLASSPATH) -d $(TEST_CLASSES)\
+		$(TEST_SRC)/org/rocksdb/test/*.java\
+		$(TEST_SRC)/org/rocksdb/util/*.java\
+		$(TEST_SRC)/org/rocksdb/*.java
+	javah -cp $(MAIN_CLASSES):$(TEST_CLASSES) -d $(NATIVE_INCLUDE) -jni $(NATIVE_JAVA_TEST_CLASSES)
+
+test: java resolve_test_deps java_test
+	java -ea -Xcheck:jni -Djava.library.path=target -cp "$(MAIN_CLASSES):$(TEST_CLASSES):$(JAVA_TESTCLASSPATH)" org.rocksdb.test.RocksJunitRunner $(JAVA_TESTS)
 
 db_bench: java
-	javac org/rocksdb/benchmark/*.java
+	mkdir -p $(BENCHMARK_MAIN_CLASSES)
+	javac -cp $(MAIN_CLASSES) -d $(BENCHMARK_MAIN_CLASSES) $(BENCHMARK_MAIN_SRC)/org/rocksdb/benchmark/*.java

java/crossbuild/build-linux-centos.sh

@@ -18,6 +18,6 @@ export JAVA_HOME=/usr/lib/jvm/java-1.7.0
 cd /rocksdb
 scl enable devtoolset-1.1 'make jclean clean'
 scl enable devtoolset-1.1 'make -j 4 rocksdbjavastatic'
-cp /rocksdb/java/librocksdbjni-* /rocksdb-build
-cp /rocksdb/java/rocksdbjni-* /rocksdb-build
+cp /rocksdb/java/target/librocksdbjni-* /rocksdb-build
+cp /rocksdb/java/target/rocksdbjni-* /rocksdb-build
 

java/crossbuild/build-linux.sh

@@ -8,7 +8,7 @@ export JAVA_HOME=$(echo /usr/lib/jvm/java-7-openjdk*)
 cd /rocksdb
 make jclean clean
 make -j 4 rocksdbjavastatic
-cp /rocksdb/java/librocksdbjni-* /rocksdb-build
-cp /rocksdb/java/rocksdbjni-* /rocksdb-build
+cp /rocksdb/java/target/librocksdbjni-* /rocksdb-build
+cp /rocksdb/java/target/rocksdbjni-* /rocksdb-build
 sudo shutdown -h now
 

java/jdb_bench.sh

@@ -3,5 +3,8 @@ if [ `getconf LONG_BIT` != "64" ]
 then
   PLATFORM=32
 fi
+
+ROCKS_JAR=`find target -name rocksdbjni*.jar`
+
 echo "Running benchmark in $PLATFORM-Bit mode."
-java -server -d$PLATFORM -XX:NewSize=4m -XX:+AggressiveOpts -Djava.library.path=.:../ -cp "rocksdbjni.jar:.:./*" org.rocksdb.benchmark.DbBenchmark $@
+java -server -d$PLATFORM -XX:NewSize=4m -XX:+AggressiveOpts -Djava.library.path=target -cp "${ROCKS_JAR}:benchmark/target/classes" org.rocksdb.benchmark.DbBenchmark $@

java/rocksjni.pom

@@ -38,87 +38,29 @@
     </developers>
 
     <properties>
+        <project.build.source>1.7</project.build.source>
+        <project.build.target>1.7</project.build.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
     <build>
-        <!-- Use custom maven folder layout -->
-        <!-- Set folder for src root -->
-        <sourceDirectory>${project.basedir}</sourceDirectory>
-        <!-- main resources, nothing shall be excluded -->
-        <resources>
-            <resource>
-                <directory>${project.basedir}</directory>
-                <excludes>
-                    <exclude>**/*</exclude>
-                </excludes>
-            </resource>
-        </resources>
-        <!-- Set folder for test root -->
-        <testSourceDirectory>${project.basedir}</testSourceDirectory>
-        <!-- Bring libraries on classpath -->
-        <testResources>
-            <testResource>
-                <directory>${project.basedir}</directory>
-                <includes>
-                    <include>*.so</include>
-                    <include>*.jar</include>
-                    <include>*.jnilib</include>
-                </includes>
-            </testResource>
-        </testResources>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>2.0.2</version>
+                <version>3.2</version>
                 <configuration>
-                    <source>1.7</source>
-                    <target>1.7</target>
-                    <!-- Exclude all tests from classes -->
-                    <excludes>
-                        <!-- Exclude Sample -->
-                        <exclude>*.java</exclude>
-                        <!-- Exclude Benchmark -->
-                        <exclude>org/rocksdb/benchmark/*.java</exclude>
-                        <!-- Exclude Tests -->
-                        <exclude>org/rocksdb/test/*.java</exclude>
-                        <exclude>org/rocksdb/WriteBatchTest.java</exclude>
-                    </excludes>
+                    <source>${project.build.source}</source>
+                    <target>${project.build.target}</target>
+                    <encoding>${project.build.sourceEncoding}</encoding>
                 </configuration>
-                <executions>
-                    <execution>
-                        <id>default-testCompile</id>
-                        <phase>test-compile</phase>
-                        <configuration>
-                            <!-- Include only tests in test-classes -->
-                            <testExcludes>
-                                <!-- Exclude everything but WriteBatchTest -->
-                                <exclude>%regex[org/rocksdb/[^WriteBatchTest].*java]</exclude>
-                                <!-- Exclude WriteBatchTest -->
-                                <exclude>*.java</exclude>
-                                <!-- Exclude Benchmark -->
-                                <exclude>org/rocksdb/benchmark/*.java</exclude>
-                                <!-- Exclude Utilities -->
-                                <exclude>org/rocksdb/util/*.java</exclude>
-                            </testExcludes>
-                            <testIncludes>
-                                <!-- Include Tests -->
-                                <include>org/rocksdb/test/*.java</include>
-                            </testIncludes>
-                        </configuration>
-                        <goals>
-                            <goal>testCompile</goal>
-                        </goals>
-                    </execution>
-                </executions>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.17</version>
+                <version>2.18.1</version>
                 <configuration>
-                    <argLine>${argLine} -Xcheck:jni</argLine>
+                    <argLine>-ea -Xcheck:jni -Djava.library.path=${project.build.directory}</argLine>
                 </configuration>
             </plugin>
             <plugin>
@@ -179,19 +121,19 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12-beta-2</version>
+            <version>4.12</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
-            <version>1.7.0</version>
+            <version>1.7.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-all</artifactId>
-            <version>1.9.5</version>
+            <version>1.10.19</version>
             <scope>test</scope>
         </dependency>
     </dependencies>

java/rocksjni/write_batch.cc

@@ -9,8 +9,6 @@
 
 #include "include/org_rocksdb_WriteBatch.h"
 #include "include/org_rocksdb_WriteBatch_Handler.h"
-#include "include/org_rocksdb_test_WriteBatchInternal.h"
-#include "include/org_rocksdb_test_WriteBatchTest.h"
 #include "rocksjni/portal.h"
 #include "rocksjni/writebatchhandlerjnicallback.h"
 #include "rocksdb/db.h"
@@ -217,48 +215,6 @@ void Java_org_rocksdb_WriteBatch_disposeInternal(
   delete reinterpret_cast<rocksdb::WriteBatch*>(handle);
 }
 
-/*
- * Class:     org_rocksdb_test_WriteBatchInternal
- * Method:    setSequence
- * Signature: (Lorg/rocksdb/WriteBatch;J)V
- */
-void Java_org_rocksdb_test_WriteBatchInternal_setSequence(
-    JNIEnv* env, jclass jclazz, jobject jobj, jlong jsn) {
-  rocksdb::WriteBatch* wb = rocksdb::WriteBatchJni::getHandle(env, jobj);
-  assert(wb != nullptr);
-
-  rocksdb::WriteBatchInternal::SetSequence(
-      wb, static_cast<rocksdb::SequenceNumber>(jsn));
-}
-
-/*
- * Class:     org_rocksdb_test_WriteBatchInternal
- * Method:    sequence
- * Signature: (Lorg/rocksdb/WriteBatch;)J
- */
-jlong Java_org_rocksdb_test_WriteBatchInternal_sequence(
-    JNIEnv* env, jclass jclazz, jobject jobj) {
-  rocksdb::WriteBatch* wb = rocksdb::WriteBatchJni::getHandle(env, jobj);
-  assert(wb != nullptr);
-
-  return static_cast<jlong>(rocksdb::WriteBatchInternal::Sequence(wb));
-}
-
-/*
- * Class:     org_rocksdb_test_WriteBatchInternal
- * Method:    append
- * Signature: (Lorg/rocksdb/WriteBatch;Lorg/rocksdb/WriteBatch;)V
- */
-void Java_org_rocksdb_test_WriteBatchInternal_append(
-    JNIEnv* env, jclass jclazz, jobject jwb1, jobject jwb2) {
-  rocksdb::WriteBatch* wb1 = rocksdb::WriteBatchJni::getHandle(env, jwb1);
-  assert(wb1 != nullptr);
-  rocksdb::WriteBatch* wb2 = rocksdb::WriteBatchJni::getHandle(env, jwb2);
-  assert(wb2 != nullptr);
-
-  rocksdb::WriteBatchInternal::Append(wb1, wb2);
-}
-
 /*
  * Class:     org_rocksdb_WriteBatch_Handler
  * Method:    createNewHandler0
@@ -280,83 +236,3 @@ void Java_org_rocksdb_WriteBatch_00024Handler_disposeInternal(
     JNIEnv* env, jobject jobj, jlong handle) {
   delete reinterpret_cast<rocksdb::WriteBatchHandlerJniCallback*>(handle);
 }
-
-/*
- * Class:     org_rocksdb_test_WriteBatchTest
- * Method:    getContents
- * Signature: (Lorg/rocksdb/WriteBatch;)[B
- */
-jbyteArray Java_org_rocksdb_test_WriteBatchTest_getContents(
-    JNIEnv* env, jclass jclazz, jobject jobj) {
-  rocksdb::WriteBatch* b = rocksdb::WriteBatchJni::getHandle(env, jobj);
-  assert(b != nullptr);
-
-  // todo: Currently the following code is directly copied from
-  // db/write_bench_test.cc.  It could be implemented in java once
-  // all the necessary components can be accessed via jni api.
-
-  rocksdb::InternalKeyComparator cmp(rocksdb::BytewiseComparator());
-  auto factory = std::make_shared<rocksdb::SkipListFactory>();
-  rocksdb::Options options;
-  rocksdb::WriteBuffer wb(options.db_write_buffer_size);
-  options.memtable_factory = factory;
-  rocksdb::MemTable* mem = new rocksdb::MemTable(
-      cmp, rocksdb::ImmutableCFOptions(options),
-      rocksdb::MutableCFOptions(options, rocksdb::ImmutableCFOptions(options)),
-      &wb);
-  mem->Ref();
-  std::string state;
-  rocksdb::ColumnFamilyMemTablesDefault cf_mems_default(mem);
-  rocksdb::Status s =
-      rocksdb::WriteBatchInternal::InsertInto(b, &cf_mems_default);
-  int count = 0;
-  rocksdb::Arena arena;
-  rocksdb::ScopedArenaIterator iter(mem->NewIterator(
-      rocksdb::ReadOptions(), &arena));
-  for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
-    rocksdb::ParsedInternalKey ikey;
-    memset(reinterpret_cast<void*>(&ikey), 0, sizeof(ikey));
-    ASSERT_TRUE(rocksdb::ParseInternalKey(iter->key(), &ikey));
-    switch (ikey.type) {
-      case rocksdb::kTypeValue:
-        state.append("Put(");
-        state.append(ikey.user_key.ToString());
-        state.append(", ");
-        state.append(iter->value().ToString());
-        state.append(")");
-        count++;
-        break;
-      case rocksdb::kTypeMerge:
-        state.append("Merge(");
-        state.append(ikey.user_key.ToString());
-        state.append(", ");
-        state.append(iter->value().ToString());
-        state.append(")");
-        count++;
-        break;
-      case rocksdb::kTypeDeletion:
-        state.append("Delete(");
-        state.append(ikey.user_key.ToString());
-        state.append(")");
-        count++;
-        break;
-      default:
-        assert(false);
-        break;
-    }
-    state.append("@");
-    state.append(rocksdb::NumberToString(ikey.sequence));
-  }
-  if (!s.ok()) {
-    state.append(s.ToString());
-  } else if (count != rocksdb::WriteBatchInternal::Count(b)) {
-    state.append("CountMismatch()");
-  }
-  delete mem->Unref();
-
-  jbyteArray jstate = env->NewByteArray(static_cast<jsize>(state.size()));
-  env->SetByteArrayRegion(jstate, 0, static_cast<jsize>(state.size()),
-                          reinterpret_cast<const jbyte*>(state.c_str()));
-
-  return jstate;
-}

java/rocksjni/write_batch_test.cc

@@ -0,0 +1,148 @@
+// Copyright (c) 2014, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
+//
+// This file implements the "bridge" between Java and C++ and enables
+// calling c++ rocksdb::WriteBatch methods testing from Java side.
+#include <memory>
+
+#include "db/memtable.h"
+#include "db/write_batch_internal.h"
+#include "db/writebuffer.h"
+#include "include/org_rocksdb_WriteBatch.h"
+#include "include/org_rocksdb_WriteBatch_Handler.h"
+#include "include/org_rocksdb_WriteBatchTest.h"
+#include "include/org_rocksdb_WriteBatchTestInternalHelper.h"
+#include "rocksdb/db.h"
+#include "rocksdb/env.h"
+#include "rocksdb/immutable_options.h"
+#include "rocksdb/memtablerep.h"
+#include "rocksdb/status.h"
+#include "rocksdb/write_batch.h"
+#include "rocksjni/portal.h"
+#include "util/logging.h"
+#include "util/scoped_arena_iterator.h"
+#include "util/testharness.h"
+
+/*
+ * Class:     org_rocksdb_WriteBatchTest
+ * Method:    getContents
+ * Signature: (Lorg/rocksdb/WriteBatch;)[B
+ */
+jbyteArray Java_org_rocksdb_WriteBatchTest_getContents(
+    JNIEnv* env, jclass jclazz, jobject jobj) {
+  rocksdb::WriteBatch* b = rocksdb::WriteBatchJni::getHandle(env, jobj);
+  assert(b != nullptr);
+
+  // todo: Currently the following code is directly copied from
+  // db/write_bench_test.cc.  It could be implemented in java once
+  // all the necessary components can be accessed via jni api.
+
+  rocksdb::InternalKeyComparator cmp(rocksdb::BytewiseComparator());
+  auto factory = std::make_shared<rocksdb::SkipListFactory>();
+  rocksdb::Options options;
+  rocksdb::WriteBuffer wb(options.db_write_buffer_size);
+  options.memtable_factory = factory;
+  rocksdb::MemTable* mem = new rocksdb::MemTable(
+      cmp, rocksdb::ImmutableCFOptions(options),
+      rocksdb::MutableCFOptions(options, rocksdb::ImmutableCFOptions(options)),
+      &wb);
+  mem->Ref();
+  std::string state;
+  rocksdb::ColumnFamilyMemTablesDefault cf_mems_default(mem);
+  rocksdb::Status s =
+      rocksdb::WriteBatchInternal::InsertInto(b, &cf_mems_default);
+  int count = 0;
+  rocksdb::Arena arena;
+  rocksdb::ScopedArenaIterator iter(mem->NewIterator(
+      rocksdb::ReadOptions(), &arena));
+  for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
+    rocksdb::ParsedInternalKey ikey;
+    memset(reinterpret_cast<void*>(&ikey), 0, sizeof(ikey));
+    ASSERT_TRUE(rocksdb::ParseInternalKey(iter->key(), &ikey));
+    switch (ikey.type) {
+      case rocksdb::kTypeValue:
+        state.append("Put(");
+        state.append(ikey.user_key.ToString());
+        state.append(", ");
+        state.append(iter->value().ToString());
+        state.append(")");
+        count++;
+        break;
+      case rocksdb::kTypeMerge:
+        state.append("Merge(");
+        state.append(ikey.user_key.ToString());
+        state.append(", ");
+        state.append(iter->value().ToString());
+        state.append(")");
+        count++;
+        break;
+      case rocksdb::kTypeDeletion:
+        state.append("Delete(");
+        state.append(ikey.user_key.ToString());
+        state.append(")");
+        count++;
+        break;
+      default:
+        assert(false);
+        break;
+    }
+    state.append("@");
+    state.append(rocksdb::NumberToString(ikey.sequence));
+  }
+  if (!s.ok()) {
+    state.append(s.ToString());
+  } else if (count != rocksdb::WriteBatchInternal::Count(b)) {
+    state.append("CountMismatch()");
+  }
+  delete mem->Unref();
+
+  jbyteArray jstate = env->NewByteArray(static_cast<jsize>(state.size()));
+  env->SetByteArrayRegion(jstate, 0, static_cast<jsize>(state.size()),
+                          reinterpret_cast<const jbyte*>(state.c_str()));
+
+  return jstate;
+}
+
+/*
+ * Class:     org_rocksdb_WriteBatchTestInternalHelper
+ * Method:    setSequence
+ * Signature: (Lorg/rocksdb/WriteBatch;J)V
+ */
+void Java_org_rocksdb_WriteBatchTestInternalHelper_setSequence(
+    JNIEnv* env, jclass jclazz, jobject jobj, jlong jsn) {
+  rocksdb::WriteBatch* wb = rocksdb::WriteBatchJni::getHandle(env, jobj);
+  assert(wb != nullptr);
+
+  rocksdb::WriteBatchInternal::SetSequence(
+      wb, static_cast<rocksdb::SequenceNumber>(jsn));
+}
+
+/*
+ * Class:     org_rocksdb_WriteBatchTestInternalHelper
+ * Method:    sequence
+ * Signature: (Lorg/rocksdb/WriteBatch;)J
+ */
+jlong Java_org_rocksdb_WriteBatchTestInternalHelper_sequence(
+    JNIEnv* env, jclass jclazz, jobject jobj) {
+  rocksdb::WriteBatch* wb = rocksdb::WriteBatchJni::getHandle(env, jobj);
+  assert(wb != nullptr);
+
+  return static_cast<jlong>(rocksdb::WriteBatchInternal::Sequence(wb));
+}
+
+/*
+ * Class:     org_rocksdb_WriteBatchTestInternalHelper
+ * Method:    append
+ * Signature: (Lorg/rocksdb/WriteBatch;Lorg/rocksdb/WriteBatch;)V
+ */
+void Java_org_rocksdb_WriteBatchTestInternalHelper_append(
+    JNIEnv* env, jclass jclazz, jobject jwb1, jobject jwb2) {
+  rocksdb::WriteBatch* wb1 = rocksdb::WriteBatchJni::getHandle(env, jwb1);
+  assert(wb1 != nullptr);
+  rocksdb::WriteBatch* wb2 = rocksdb::WriteBatchJni::getHandle(env, jwb2);
+  assert(wb2 != nullptr);
+
+  rocksdb::WriteBatchInternal::Append(wb1, wb2);
+}

java/src/main/java/org/rocksdb/NativeLibraryLoader.java

@@ -15,7 +15,9 @@ public class NativeLibraryLoader {
   private static final NativeLibraryLoader instance = new NativeLibraryLoader();
   private static boolean initialized = false;
 
-  private static final String sharedLibraryName = Environment.getJniLibraryName("rocksdb");
+  private static final String sharedLibraryName = Environment.getSharedLibraryName("rocksdb");
+  private static final String jniLibraryName = Environment.getJniLibraryName("rocksdb");
+  private static final String jniLibraryFileName = Environment.getJniLibraryFileName("rocksdb");
   private static final String tempFilePrefix = "librocksdbjni";
   private static final String tempFileSuffix = "." + Environment.getJniLibraryExtension();
 
@@ -28,6 +30,34 @@ public class NativeLibraryLoader {
     return instance;
   }
 
+  /**
+   * Firstly attempts to load the library from <i>java.library.path</i>,
+   * if that fails then it falls back to extracting
+   * the library from the classpath
+   * {@link org.rocksdb.NativeLibraryLoader#loadLibraryFromJar(java.lang.String)}
+   *
+   * @param tmpDir A temporary directory to use
+   *   to copy the native library to when loading from the classpath.
+   *   If null, or the empty string, we rely on Java's
+   *   {@link java.io.File#createTempFile(String, String)}
+   *   function to provide a temporary location.
+   *   The temporary file will be registered for deletion
+   *   on exit.
+   *
+   * @throws java.io.IOException if a filesystem operation fails.
+   */
+  public synchronized void loadLibrary(final String tmpDir) throws IOException {
+    try {
+        System.loadLibrary(sharedLibraryName);
+    } catch(final UnsatisfiedLinkError ule1) {
+      try {
+        System.loadLibrary(jniLibraryName);
+      } catch(final UnsatisfiedLinkError ule2) {
+        loadLibraryFromJar(tmpDir);
+      }
+    }
+  }
+
   /**
    * Attempts to extract the native RocksDB library
    * from the classpath and load it
@@ -42,14 +72,14 @@ public class NativeLibraryLoader {
    *
    * @throws java.io.IOException if a filesystem operation fails.
    */
-  public synchronized void loadLibraryFromJar(final String tmpDir)
+  private void loadLibraryFromJar(final String tmpDir)
       throws IOException {
     if (!initialized) {
       final File temp;
       if (tmpDir == null || tmpDir.equals("")) {
         temp = File.createTempFile(tempFilePrefix, tempFileSuffix);
       } else {
-        temp = new File(tmpDir, sharedLibraryName);
+        temp = new File(tmpDir, jniLibraryFileName);
       }
 
       if (!temp.exists()) {
@@ -60,9 +90,9 @@ public class NativeLibraryLoader {
 
       // attempt to copy the library from the Jar file to the temp destination
       try (final InputStream is = getClass().getClassLoader().
-          getResourceAsStream(sharedLibraryName)) {
+          getResourceAsStream(jniLibraryFileName)) {
         if (is == null) {
-          throw new RuntimeException(sharedLibraryName + " was not found inside JAR.");
+          throw new RuntimeException(jniLibraryFileName + " was not found inside JAR.");
         } else {
           Files.copy(is, temp.toPath(), StandardCopyOption.REPLACE_EXISTING);
         }

java/src/main/java/org/rocksdb/RocksDB.java

@@ -44,7 +44,7 @@ public class RocksDB extends RocksObject {
     }
     try
     {
-      NativeLibraryLoader.getInstance().loadLibraryFromJar(tmpDir);
+      NativeLibraryLoader.getInstance().loadLibrary(tmpDir);
     }
     catch (IOException e)
     {
@@ -66,7 +66,7 @@ public class RocksDB extends RocksObject {
       }
       for (String path : paths) {
         try {
-          System.load(path + "/" + Environment.getSharedLibraryName(
+          System.load(path + "/" + Environment.getSharedLibraryFileName(
               compressionType.getLibraryName()));
           break;
         } catch (UnsatisfiedLinkError e) {
@@ -78,7 +78,7 @@ public class RocksDB extends RocksObject {
     UnsatisfiedLinkError err = null;
     for (String path : paths) {
       try {
-        System.load(path + "/" + Environment.getJniLibraryName("rocksdbjni"));
+        System.load(path + "/" + Environment.getJniLibraryFileName("rocksdbjni"));
         success = true;
         break;
       } catch (UnsatisfiedLinkError e) {

java/src/main/java/org/rocksdb/util/Environment.java

@@ -23,20 +23,32 @@ public class Environment {
   }
 
   public static String getSharedLibraryName(String name) {
+    return name + "jni";
+  }
+
+  public static String getSharedLibraryFileName(String name) {
+    return appendLibOsSuffix("lib" + getSharedLibraryName(name), true);
+  }
+
+  public static String getJniLibraryName(final String name) {
     if (isUnix()) {
-      return String.format("lib%sjni.so", name);
+      final String arch = (is64Bit()) ? "64" : "32";
+      return String.format("%sjni-linux%s", name, arch);
     } else if (isMac()) {
-      return String.format("lib%sjni.dylib", name);
+      return String.format("%sjni-osx", name);
     }
     throw new UnsupportedOperationException();
   }
 
-  public static String getJniLibraryName(String name) {
+  public static String getJniLibraryFileName(final String name) {
+    return appendLibOsSuffix("lib" + getJniLibraryName(name), false);
+  }
+
+  private static String appendLibOsSuffix(final String libraryFileName, final boolean shared) {
     if (isUnix()) {
-      String arch = (is64Bit()) ? "64" : "32";
-      return String.format("lib%sjni-linux%s.so", name, arch);
+      return libraryFileName + ".so";
     } else if (isMac()) {
-      return String.format("lib%sjni-osx.jnilib", name);
+      return libraryFileName + (shared ? ".dylib" : ".jnilib");
     }
     throw new UnsupportedOperationException();
   }

java/src/test/java/org/rocksdb/AbstractComparatorTest.java

@@ -3,9 +3,7 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
-
-import org.rocksdb.*;
+package org.rocksdb;
 
 import java.io.IOException;
 import java.nio.file.*;
@@ -14,8 +12,8 @@ import java.util.List;
 import java.util.Random;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.rocksdb.test.Types.byteToInt;
-import static org.rocksdb.test.Types.intToByte;
+import static org.rocksdb.Types.byteToInt;
+import static org.rocksdb.Types.intToByte;
 
 /**
  * Abstract tests for both Comparator and DirectComparator

java/src/test/java/org/rocksdb/BackupableDBOptionsTest.java

@@ -3,13 +3,12 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
-import org.rocksdb.BackupableDBOptions;
 
 import java.util.Random;
 

java/src/test/java/org/rocksdb/BackupableDBTest.java

@@ -3,13 +3,12 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.rocksdb.*;
 
 import java.util.List;
 

java/src/test/java/org/rocksdb/BlockBasedTableConfigTest.java

@@ -3,11 +3,10 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Test;
-import org.rocksdb.*;
 
 import static org.assertj.core.api.Assertions.assertThat;
 

java/src/test/java/org/rocksdb/CheckPointTest.java

@@ -1,14 +1,10 @@
-package org.rocksdb.test;
+package org.rocksdb;
 
 
 import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.rocksdb.Checkpoint;
-import org.rocksdb.Options;
-import org.rocksdb.RocksDB;
-import org.rocksdb.RocksDBException;
 
 import static org.assertj.core.api.Assertions.assertThat;
 

java/src/test/java/org/rocksdb/ColumnFamilyOptionsTest.java

@@ -3,11 +3,10 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Test;
-import org.rocksdb.*;
 
 import java.util.Properties;
 import java.util.Random;

java/src/test/java/org/rocksdb/ColumnFamilyTest.java

@@ -3,7 +3,7 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import java.util.HashMap;
 import java.util.List;
@@ -14,7 +14,6 @@ import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.rocksdb.*;
 
 import static org.assertj.core.api.Assertions.assertThat;
 

java/src/test/java/org/rocksdb/ComparatorOptionsTest.java

@@ -3,11 +3,10 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Test;
-import org.rocksdb.ComparatorOptions;
 
 import static org.assertj.core.api.Assertions.assertThat;
 

java/src/test/java/org/rocksdb/ComparatorTest.java

@@ -3,13 +3,12 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.rocksdb.*;
 
 import java.io.IOException;
 import java.nio.file.FileSystems;

java/src/test/java/org/rocksdb/CompressionOptionsTest.java

@@ -3,10 +3,9 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.Test;
-import org.rocksdb.CompressionType;
 
 
 public class CompressionOptionsTest

java/src/test/java/org/rocksdb/DBOptionsTest.java

@@ -3,11 +3,10 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Test;
-import org.rocksdb.*;
 
 import java.util.Properties;
 import java.util.Random;

java/src/test/java/org/rocksdb/DirectComparatorTest.java

@@ -3,13 +3,12 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.rocksdb.*;
 
 import java.io.IOException;
 import java.nio.file.FileSystems;

java/src/test/java/org/rocksdb/DirectSliceTest.java

@@ -2,11 +2,10 @@
 // This source code is licensed under the BSD-style license found in the
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Test;
-import org.rocksdb.DirectSlice;
 
 import java.nio.ByteBuffer;
 

java/src/test/java/org/rocksdb/FilterTest.java

@@ -3,11 +3,10 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Test;
-import org.rocksdb.*;
 
 public class FilterTest {
 

java/src/test/java/org/rocksdb/FlushTest.java

@@ -2,13 +2,12 @@
 // This source code is licensed under the BSD-style license found in the
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.rocksdb.*;
 
 import static org.assertj.core.api.Assertions.assertThat;
 

java/src/test/java/org/rocksdb/InfoLogLevelTest.java

@@ -1,10 +1,9 @@
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.rocksdb.*;
 
 import java.io.IOException;
 

java/src/test/java/org/rocksdb/KeyMayExistTest.java

@@ -2,13 +2,12 @@
 // This source code is licensed under the BSD-style license found in the
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.rocksdb.*;
 
 import java.util.ArrayList;
 import java.util.List;

java/src/test/java/org/rocksdb/MemTableTest.java

@@ -3,11 +3,10 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import org.junit.ClassRule;
 import org.junit.Test;
-import org.rocksdb.*;
 
 import static org.assertj.core.api.Assertions.assertThat;
 

java/src/test/java/org/rocksdb/MergeTest.java

@@ -3,7 +3,7 @@
 // LICENSE file in the root directory of this source tree. An additional grant
 // of patent rights can be found in the PATENTS file in the same directory.
 
-package org.rocksdb.test;
+package org.rocksdb;
 
 import java.util.List;
 import java.util.ArrayList;
@@ -12,7 +12,6 @@ import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
-import org.rocksdb.*;
 
 import static org.assertj.core.api.Assertions.assertThat;