rocksdb

.gitignore

@@ -23,7 +23,7 @@ tags
 .DS_Store
 .directory
 *.debug
-Makefile*
+
 *.prl
 *.app
 moc_*.cpp
@@ -79,4 +79,4 @@ CMakeLists.txt.user*
 .pch/
 .rcc/
 .uic/
-/build*/
+/build/

rocksdb/examples/Makefile

@@ -0,0 +1,58 @@
+include ../make_config.mk
+
+ifndef DISABLE_JEMALLOC
+	ifdef JEMALLOC
+		PLATFORM_CXXFLAGS += -DROCKSDB_JEMALLOC -DJEMALLOC_NO_DEMANGLE
+	endif
+	EXEC_LDFLAGS := $(JEMALLOC_LIB) $(EXEC_LDFLAGS) -lpthread
+	PLATFORM_CXXFLAGS += $(JEMALLOC_INCLUDE)
+endif
+
+ifneq ($(USE_RTTI), 1)
+	CXXFLAGS += -fno-rtti
+endif
+
+CFLAGS += -Wstrict-prototypes
+
+.PHONY: clean librocksdb
+
+all: simple_example column_families_example compact_files_example c_simple_example optimistic_transaction_example transaction_example compaction_filter_example options_file_example rocksdb_backup_restore_example
+
+simple_example: librocksdb simple_example.cc
+	$(CXX) $(CXXFLAGS) $@.cc -o$@ ../librocksdb.a -I../include -O2 -std=c++20 $(PLATFORM_LDFLAGS) $(PLATFORM_CXXFLAGS) $(EXEC_LDFLAGS)
+
+column_families_example: librocksdb column_families_example.cc
+	$(CXX) $(CXXFLAGS) $@.cc -o$@ ../librocksdb.a -I../include -O2 -std=c++20 $(PLATFORM_LDFLAGS) $(PLATFORM_CXXFLAGS) $(EXEC_LDFLAGS)
+
+compaction_filter_example: librocksdb compaction_filter_example.cc
+	$(CXX) $(CXXFLAGS) $@.cc -o$@ ../librocksdb.a -I../include -O2 -std=c++20 $(PLATFORM_LDFLAGS) $(PLATFORM_CXXFLAGS) $(EXEC_LDFLAGS)
+
+compact_files_example: librocksdb compact_files_example.cc
+	$(CXX) $(CXXFLAGS) $@.cc -o$@ ../librocksdb.a -I../include -O2 -std=c++20 $(PLATFORM_LDFLAGS) $(PLATFORM_CXXFLAGS) $(EXEC_LDFLAGS)
+
+.c.o:
+	$(CC) $(CFLAGS) -c $< -o $@ -I../include
+
+c_simple_example: librocksdb c_simple_example.o
+	$(CXX) $@.o -o$@ ../librocksdb.a $(PLATFORM_LDFLAGS) $(EXEC_LDFLAGS)
+
+optimistic_transaction_example: librocksdb optimistic_transaction_example.cc
+	$(CXX) $(CXXFLAGS) $@.cc -o$@ ../librocksdb.a -I../include -O2 -std=c++20 $(PLATFORM_LDFLAGS) $(PLATFORM_CXXFLAGS) $(EXEC_LDFLAGS)
+
+transaction_example: librocksdb transaction_example.cc
+	$(CXX) $(CXXFLAGS) $@.cc -o$@ ../librocksdb.a -I../include -O2 -std=c++20 $(PLATFORM_LDFLAGS) $(PLATFORM_CXXFLAGS) $(EXEC_LDFLAGS)
+
+options_file_example: librocksdb options_file_example.cc
+	$(CXX) $(CXXFLAGS) $@.cc -o$@ ../librocksdb.a -I../include -O2 -std=c++20 $(PLATFORM_LDFLAGS) $(PLATFORM_CXXFLAGS) $(EXEC_LDFLAGS)
+
+multi_processes_example: librocksdb multi_processes_example.cc
+	$(CXX) $(CXXFLAGS) $@.cc -o$@ ../librocksdb.a -I../include -O2 -std=c++20 $(PLATFORM_LDFLAGS) $(PLATFORM_CXXFLAGS) $(EXEC_LDFLAGS)
+
+rocksdb_backup_restore_example: librocksdb rocksdb_backup_restore_example.cc
+	$(CXX) $(CXXFLAGS) $@.cc -o$@ ../librocksdb.a -I../include -O2 -std=c++20 $(PLATFORM_LDFLAGS) $(PLATFORM_CXXFLAGS) $(EXEC_LDFLAGS)
+
+clean:
+	rm -rf ./simple_example ./column_families_example ./compact_files_example ./compaction_filter_example ./c_simple_example c_simple_example.o ./optimistic_transaction_example ./transaction_example ./options_file_example ./multi_processes_example ./rocksdb_backup_restore_example
+
+librocksdb:
+	cd .. && $(MAKE) static_lib

rocksdb/fuzz/Makefile

@@ -0,0 +1,67 @@
+# Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+# This source code is licensed under both the GPLv2 (found in the
+# COPYING file in the root directory) and Apache 2.0 License
+# (found in the LICENSE.Apache file in the root directory).
+
+ROOT_DIR = $(abspath $(shell pwd)/../)
+
+include $(ROOT_DIR)/make_config.mk
+
+PROTOBUF_CFLAGS = `pkg-config --cflags protobuf`
+PROTOBUF_LDFLAGS = `pkg-config --libs protobuf`
+
+PROTOBUF_MUTATOR_CFLAGS = `pkg-config --cflags libprotobuf-mutator`
+PROTOBUF_MUTATOR_LDFLAGS = `pkg-config --libs libprotobuf-mutator`
+
+ROCKSDB_INCLUDE_DIR = $(ROOT_DIR)/include
+ROCKSDB_LIB_DIR = $(ROOT_DIR)
+
+PROTO_IN = $(ROOT_DIR)/fuzz/proto
+PROTO_OUT = $(ROOT_DIR)/fuzz/proto/gen
+
+ifneq ($(FUZZ_ENV), ossfuzz)
+CC = $(CXX)
+CCFLAGS += -Wall -fsanitize=address,fuzzer
+CFLAGS += $(PLATFORM_CXXFLAGS) $(PROTOBUF_CFLAGS) $(PROTOBUF_MUTATOR_CFLAGS) -I$(PROTO_OUT) -I$(ROCKSDB_INCLUDE_DIR) -I$(ROCKSDB_LIB_DIR)
+LDFLAGS += $(PLATFORM_LDFLAGS) $(PROTOBUF_MUTATOR_LDFLAGS) $(PROTOBUF_LDFLAGS) -L$(ROCKSDB_LIB_DIR) -lrocksdb
+else
+# OSS-Fuzz sets various environment flags that are used for compilation.
+# These environment flags depend on which type of sanitizer build is being
+# used, however, an ASan build would set the environment flags as follows:
+# CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only \
+         -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=address \
+         -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link"
+# CXXFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only \
+           -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=address \
+           -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link \
+           -stdlib=libc++"
+# LIB_FUZZING_ENGINE="-fsanitize=fuzzer"
+CC = $(CXX)
+CCFLAGS = $(CXXFLAGS)
+CFLAGS += $(PROTOBUF_CFLAGS) $(PROTOBUF_MUTATOR_CFLAGS) -I$(PROTO_OUT) -I$(ROCKSDB_INCLUDE_DIR) -I$(ROCKSDB_LIB_DIR)
+LDFLAGS += $(PLATFORM_LDFLAGS) $(LIB_FUZZING_ENGINE) $(PROTOBUF_MUTATOR_LDFLAGS) $(PROTOBUF_LDFLAGS) -L$(ROCKSDB_LIB_DIR) -lrocksdb
+endif
+
+.PHONY: gen_proto clean
+
+# Set PROTOC_BIN when invoking `make` if a custom protoc is required.
+PROTOC_BIN ?= protoc
+
+gen_proto:
+	mkdir -p $(PROTO_OUT)
+	$(PROTOC_BIN) \
+		--proto_path=$(PROTO_IN) \
+		--cpp_out=$(PROTO_OUT) \
+		$(PROTO_IN)/*.proto
+
+clean:
+	rm -rf db_fuzzer db_map_fuzzer sst_file_writer_fuzzer $(PROTO_OUT)
+
+db_fuzzer: db_fuzzer.cc
+	$(CC) $(CCFLAGS) -o db_fuzzer db_fuzzer.cc $(CFLAGS) $(LDFLAGS)
+
+db_map_fuzzer: gen_proto db_map_fuzzer.cc proto/gen/db_operation.pb.cc
+	$(CC) $(CCFLAGS) -o db_map_fuzzer db_map_fuzzer.cc proto/gen/db_operation.pb.cc $(CFLAGS) $(LDFLAGS)
+
+sst_file_writer_fuzzer: gen_proto sst_file_writer_fuzzer.cc proto/gen/db_operation.pb.cc
+	$(CC) $(CCFLAGS) -o sst_file_writer_fuzzer sst_file_writer_fuzzer.cc proto/gen/db_operation.pb.cc $(CFLAGS) $(LDFLAGS)

rocksdb/java/Makefile

@@ -0,0 +1,471 @@
+NATIVE_JAVA_CLASSES = \
+	org.rocksdb.AbstractCompactionFilter\
+	org.rocksdb.AbstractCompactionFilterFactory\
+	org.rocksdb.AbstractComparator\
+	org.rocksdb.AbstractEventListener\
+	org.rocksdb.AbstractSlice\
+	org.rocksdb.AbstractTableFilter\
+	org.rocksdb.AbstractTraceWriter\
+	org.rocksdb.AbstractTransactionNotifier\
+	org.rocksdb.AbstractWalFilter\
+	org.rocksdb.BackupEngine\
+	org.rocksdb.BackupEngineOptions\
+	org.rocksdb.BlockBasedTableConfig\
+	org.rocksdb.BloomFilter\
+	org.rocksdb.Checkpoint\
+	org.rocksdb.ClockCache\
+	org.rocksdb.Cache\
+	org.rocksdb.CassandraCompactionFilter\
+	org.rocksdb.CassandraValueMergeOperator\
+	org.rocksdb.ColumnFamilyHandle\
+	org.rocksdb.ColumnFamilyOptions\
+	org.rocksdb.CompactionJobInfo\
+	org.rocksdb.CompactionJobStats\
+	org.rocksdb.CompactionOptions\
+	org.rocksdb.CompactionOptionsFIFO\
+	org.rocksdb.CompactionOptionsUniversal\
+	org.rocksdb.CompactRangeOptions\
+	org.rocksdb.ComparatorOptions\
+	org.rocksdb.CompressionOptions\
+	org.rocksdb.ConfigOptions\
+	org.rocksdb.DBOptions\
+	org.rocksdb.DirectSlice\
+	org.rocksdb.Env\
+	org.rocksdb.EnvOptions\
+	org.rocksdb.FlushOptions\
+	org.rocksdb.Filter\
+	org.rocksdb.IngestExternalFileOptions\
+	org.rocksdb.HashLinkedListMemTableConfig\
+	org.rocksdb.HashSkipListMemTableConfig\
+	org.rocksdb.ConcurrentTaskLimiter\
+	org.rocksdb.ConcurrentTaskLimiterImpl\
+	org.rocksdb.KeyMayExist\
+	org.rocksdb.Logger\
+	org.rocksdb.LRUCache\
+	org.rocksdb.MemoryUsageType\
+	org.rocksdb.MemoryUtil\
+	org.rocksdb.MergeOperator\
+	org.rocksdb.NativeComparatorWrapper\
+	org.rocksdb.OptimisticTransactionDB\
+	org.rocksdb.OptimisticTransactionOptions\
+	org.rocksdb.Options\
+	org.rocksdb.OptionsUtil\
+	org.rocksdb.PersistentCache\
+	org.rocksdb.PerfContext\
+	org.rocksdb.PerfLevel\
+	org.rocksdb.PlainTableConfig\
+	org.rocksdb.RateLimiter\
+	org.rocksdb.ReadOptions\
+	org.rocksdb.RemoveEmptyValueCompactionFilter\
+	org.rocksdb.RestoreOptions\
+	org.rocksdb.RocksCallbackObject\
+	org.rocksdb.RocksDB\
+	org.rocksdb.RocksEnv\
+	org.rocksdb.RocksIterator\
+	org.rocksdb.RocksMemEnv\
+	org.rocksdb.SkipListMemTableConfig\
+	org.rocksdb.Slice\
+	org.rocksdb.SstFileManager\
+	org.rocksdb.SstFileWriter\
+	org.rocksdb.SstFileReader\
+	org.rocksdb.SstFileReaderIterator\
+	org.rocksdb.SstPartitionerFactory\
+	org.rocksdb.SstPartitionerFixedPrefixFactory\
+	org.rocksdb.Statistics\
+	org.rocksdb.ThreadStatus\
+	org.rocksdb.TimedEnv\
+	org.rocksdb.Transaction\
+	org.rocksdb.TransactionDB\
+	org.rocksdb.TransactionDBOptions\
+	org.rocksdb.TransactionOptions\
+	org.rocksdb.TransactionLogIterator\
+	org.rocksdb.TtlDB\
+	org.rocksdb.VectorMemTableConfig\
+	org.rocksdb.Snapshot\
+	org.rocksdb.StringAppendOperator\
+	org.rocksdb.UInt64AddOperator\
+	org.rocksdb.WriteBatch\
+	org.rocksdb.WriteBatch.Handler\
+	org.rocksdb.WriteOptions\
+	org.rocksdb.WriteBatchWithIndex\
+	org.rocksdb.WriteBufferManager\
+	org.rocksdb.WBWIRocksIterator\
+	org.rocksdb.util.StdErrLogger
+
+NATIVE_JAVA_TEST_CLASSES = \
+    org.rocksdb.RocksDBExceptionTest\
+    org.rocksdb.test.TestableEventListener\
+    org.rocksdb.NativeComparatorWrapperTest.NativeStringComparatorWrapper\
+    org.rocksdb.WriteBatchTest\
+    org.rocksdb.WriteBatchTestInternalHelper
+
+ROCKSDB_MAJOR = $(shell grep -E "ROCKSDB_MAJOR.[0-9]" ../include/rocksdb/version.h | cut -d ' ' -f 3)
+ROCKSDB_MINOR = $(shell grep -E "ROCKSDB_MINOR.[0-9]" ../include/rocksdb/version.h | cut -d ' ' -f 3)
+ROCKSDB_PATCH = $(shell grep -E "ROCKSDB_PATCH.[0-9]" ../include/rocksdb/version.h | cut -d ' ' -f 3)
+
+NATIVE_INCLUDE = ./include
+ARCH := $(shell getconf LONG_BIT)
+SHA256_CMD ?= sha256sum
+
+JAVA_TESTS = \
+	org.rocksdb.BackupEngineOptionsTest\
+	org.rocksdb.BackupEngineTest\
+	org.rocksdb.BlobOptionsTest\
+	org.rocksdb.BlockBasedTableConfigTest\
+	org.rocksdb.BuiltinComparatorTest\
+	org.rocksdb.ByteBufferUnsupportedOperationTest\
+	org.rocksdb.BytewiseComparatorRegressionTest\
+	org.rocksdb.util.BytewiseComparatorTest\
+	org.rocksdb.util.BytewiseComparatorIntTest\
+	org.rocksdb.CheckPointTest\
+	org.rocksdb.ClockCacheTest\
+	org.rocksdb.ColumnFamilyOptionsTest\
+	org.rocksdb.ColumnFamilyTest\
+	org.rocksdb.CompactionFilterFactoryTest\
+	org.rocksdb.CompactionJobInfoTest\
+	org.rocksdb.CompactionJobStatsTest\
+	org.rocksdb.CompactionOptionsTest\
+	org.rocksdb.CompactionOptionsFIFOTest\
+	org.rocksdb.CompactionOptionsUniversalTest\
+	org.rocksdb.CompactionPriorityTest\
+	org.rocksdb.CompactionStopStyleTest\
+	org.rocksdb.ComparatorOptionsTest\
+	org.rocksdb.CompressionOptionsTest\
+	org.rocksdb.CompressionTypesTest\
+	org.rocksdb.DBOptionsTest\
+	org.rocksdb.DirectSliceTest\
+	org.rocksdb.util.EnvironmentTest\
+	org.rocksdb.EnvOptionsTest\
+	org.rocksdb.EventListenerTest\
+	org.rocksdb.IngestExternalFileOptionsTest\
+	org.rocksdb.util.IntComparatorTest\
+	org.rocksdb.util.JNIComparatorTest\
+	org.rocksdb.FilterTest\
+	org.rocksdb.FlushTest\
+	org.rocksdb.ImportColumnFamilyTest\
+	org.rocksdb.InfoLogLevelTest\
+	org.rocksdb.KeyExistsTest \
+	org.rocksdb.KeyMayExistTest\
+	org.rocksdb.ConcurrentTaskLimiterTest\
+	org.rocksdb.LoggerTest\
+	org.rocksdb.LRUCacheTest\
+	org.rocksdb.MemoryUtilTest\
+	org.rocksdb.MemTableTest\
+	org.rocksdb.MergeCFVariantsTest\
+	org.rocksdb.MergeTest\
+	org.rocksdb.MergeVariantsTest\
+	org.rocksdb.MultiColumnRegressionTest \
+	org.rocksdb.MultiGetManyKeysTest\
+	org.rocksdb.MultiGetTest\
+	org.rocksdb.MixedOptionsTest\
+	org.rocksdb.MutableColumnFamilyOptionsTest\
+	org.rocksdb.MutableDBOptionsTest\
+	org.rocksdb.MutableOptionsGetSetTest \
+	org.rocksdb.NativeComparatorWrapperTest\
+	org.rocksdb.NativeLibraryLoaderTest\
+	org.rocksdb.OptimisticTransactionTest\
+	org.rocksdb.OptimisticTransactionDBTest\
+	org.rocksdb.OptimisticTransactionOptionsTest\
+	org.rocksdb.OptionsUtilTest\
+	org.rocksdb.OptionsTest\
+	org.rocksdb.PerfLevelTest \
+	org.rocksdb.PerfContextTest \
+	org.rocksdb.PutCFVariantsTest\
+	org.rocksdb.PutVariantsTest\
+	org.rocksdb.PlainTableConfigTest\
+	org.rocksdb.RateLimiterTest\
+	org.rocksdb.ReadOnlyTest\
+	org.rocksdb.ReadOptionsTest\
+	org.rocksdb.util.ReverseBytewiseComparatorIntTest\
+	org.rocksdb.RocksDBTest\
+	org.rocksdb.RocksDBExceptionTest\
+	org.rocksdb.DefaultEnvTest\
+	org.rocksdb.RocksIteratorTest\
+	org.rocksdb.RocksMemEnvTest\
+	org.rocksdb.util.SizeUnitTest\
+	org.rocksdb.SecondaryDBTest\
+	org.rocksdb.SliceTest\
+	org.rocksdb.SnapshotTest\
+	org.rocksdb.SstFileManagerTest\
+	org.rocksdb.SstFileWriterTest\
+	org.rocksdb.SstFileReaderTest\
+	org.rocksdb.SstPartitionerTest\
+	org.rocksdb.TableFilterTest\
+	org.rocksdb.TimedEnvTest\
+	org.rocksdb.TransactionTest\
+	org.rocksdb.TransactionDBTest\
+	org.rocksdb.TransactionOptionsTest\
+	org.rocksdb.TransactionDBOptionsTest\
+	org.rocksdb.TransactionLogIteratorTest\
+	org.rocksdb.TtlDBTest\
+	org.rocksdb.StatisticsTest\
+	org.rocksdb.StatisticsCollectorTest\
+	org.rocksdb.VerifyChecksumsTest\
+	org.rocksdb.WalFilterTest\
+	org.rocksdb.WALRecoveryModeTest\
+	org.rocksdb.WriteBatchHandlerTest\
+	org.rocksdb.WriteBatchTest\
+	org.rocksdb.WriteBatchThreadedTest\
+	org.rocksdb.WriteOptionsTest\
+	org.rocksdb.WriteBatchWithIndexTest\
+	org.rocksdb.util.StdErrLoggerTest
+
+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 = $(SAMPLES_OUTPUT)/classes
+
+JAVA_TEST_LIBDIR = test-libs
+JAVA_JUNIT_VER = 4.13.1
+JAVA_JUNIT_SHA256 = c30719db974d6452793fe191b3638a5777005485bae145924044530ffa5f6122
+JAVA_JUNIT_JAR = junit-$(JAVA_JUNIT_VER).jar
+JAVA_JUNIT_JAR_PATH = $(JAVA_TEST_LIBDIR)/$(JAVA_JUNIT_JAR)
+JAVA_HAMCREST_VER = 2.2
+JAVA_HAMCREST_SHA256 = 5e62846a89f05cd78cd9c1a553f340d002458380c320455dd1f8fc5497a8a1c1
+JAVA_HAMCREST_JAR = hamcrest-$(JAVA_HAMCREST_VER).jar
+JAVA_HAMCREST_JAR_PATH = $(JAVA_TEST_LIBDIR)/$(JAVA_HAMCREST_JAR)
+JAVA_MOCKITO_VER = 1.10.19
+JAVA_MOCKITO_SHA256 = d1a7a7ef14b3db5c0fc3e0a63a81b374b510afe85add9f7984b97911f4c70605
+JAVA_MOCKITO_JAR = mockito-all-$(JAVA_MOCKITO_VER).jar
+JAVA_MOCKITO_JAR_PATH = $(JAVA_TEST_LIBDIR)/$(JAVA_MOCKITO_JAR)
+JAVA_CGLIB_VER = 3.3.0
+JAVA_CGLIB_SHA256 = 9fe0c26d7464140ccdfe019ac687be1fb906122b508ab54beb810db0f09a9212
+JAVA_CGLIB_JAR = cglib-$(JAVA_CGLIB_VER).jar
+JAVA_CGLIB_JAR_PATH = $(JAVA_TEST_LIBDIR)/$(JAVA_CGLIB_JAR)
+JAVA_ASSERTJ_VER = 2.9.0
+JAVA_ASSERTJ_SHA256 = 5e88ea3ecbe3c48aa1346fec76c84979fa9c8d22499f11479011691230e8babf
+JAVA_ASSERTJ_JAR = assertj-core-$(JAVA_ASSERTJ_VER).jar
+JAVA_ASSERTJ_JAR_PATH = $(JAVA_TEST_LIBDIR)/$(JAVA_ASSERTJ_JAR)
+JAVA_TESTCLASSPATH = $(JAVA_JUNIT_JAR_PATH):$(JAVA_HAMCREST_JAR_PATH):$(JAVA_MOCKITO_JAR_PATH):$(JAVA_CGLIB_JAR_PATH):$(JAVA_ASSERTJ_JAR_PATH)
+
+MVN_LOCAL = ~/.m2/repository
+
+# Set the path of the java commands
+ifeq ($(JAVA_CMD),)
+ifneq ($(JAVA_HOME),)
+JAVA_CMD := $(JAVA_HOME)/bin/java
+else
+JAVA_CMD := java
+endif
+endif
+
+ifeq ($(JAVAC_CMD),)
+ifneq ($(JAVA_HOME),)
+JAVAC_CMD := $(JAVA_HOME)/bin/javac
+else
+JAVAC_CMD := javac
+endif
+endif
+
+ifeq ($(JAVADOC_CMD),)
+ifneq ($(JAVA_HOME),)
+JAVADOC_CMD := $(JAVA_HOME)/bin/javadoc
+else
+JAVADOC_CMD := javadoc
+endif
+endif
+
+MAVEN_CMD := mvn
+
+# Look for the Java version (1.6->6, 1.7->7, 1.8->8, 11.0->11, 13.0->13, 15.0->15 etc..)
+JAVAC_VERSION := $(shell $(JAVAC_CMD) -version 2>&1)
+JAVAC_MAJOR_VERSION := $(word 2,$(subst ., ,$(JAVAC_VERSION)))
+ifeq ($(JAVAC_MAJOR_VERSION),1)
+JAVAC_MAJOR_VERSION := $(word 3,$(subst ., ,$(JAVAC_VERSION)))
+endif
+
+# Test whether the version we see meets our minimum
+MIN_JAVAC_MAJOR_VERSION := 8
+JAVAC_VERSION_GE_MIN := $(shell [ $(JAVAC_MAJOR_VERSION) -ge $(MIN_JAVAC_MAJOR_VERSION) ] > /dev/null 2>&1 && echo true)
+
+# Set the default JAVA_ARGS to "" for DEBUG_LEVEL=0
+JAVA_ARGS ?=
+
+JAVAC_ARGS ?=
+
+# Read plugin configuration
+PLUGIN_PATH = ../plugin
+ROCKSDB_PLUGIN_MKS = $(foreach plugin, $(ROCKSDB_PLUGINS), $(PLUGIN_PATH)/$(plugin)/*.mk)
+include $(ROCKSDB_PLUGIN_MKS)
+
+# Add paths to Java sources in plugins
+ROCKSDB_PLUGIN_JAVA_ROOTS = $(foreach plugin, $(ROCKSDB_PLUGINS), $(PLUGIN_PATH)/$(plugin)/java)
+PLUGIN_SOURCES = $(foreach root, $(ROCKSDB_PLUGIN_JAVA_ROOTS), $(foreach pkg, org/rocksdb/util org/rocksdb, $(root)/$(MAIN_SRC)/$(pkg)/*.java))
+CORE_SOURCES = $(foreach pkg, org/rocksdb/util org/rocksdb, $(MAIN_SRC)/$(pkg)/*.java)
+SOURCES = $(wildcard $(CORE_SOURCES) $(PLUGIN_SOURCES))
+PLUGIN_TEST_SOURCES = $(foreach root, $(ROCKSDB_PLUGIN_JAVA_ROOTS), $(foreach pkg, org/rocksdb/test org/rocksdb/util org/rocksdb, $(root)/$(TEST_SRC)/$(pkg)/*.java))
+CORE_TEST_SOURCES = $(foreach pkg, org/rocksdb/test org/rocksdb/util org/rocksdb, $(TEST_SRC)/$(pkg)/*.java)
+TEST_SOURCES = $(wildcard $(CORE_TEST_SOURCES) $(PLUGIN_TEST_SOURCES))
+
+# Configure the plugin tests and java classes
+ROCKSDB_PLUGIN_NATIVE_JAVA_CLASSES = $(foreach plugin, $(ROCKSDB_PLUGINS), $(foreach class, $($(plugin)_NATIVE_JAVA_CLASSES), $(class)))
+NATIVE_JAVA_CLASSES = $(NATIVE_JAVA_CLASSES) $(ROCKSDB_PLUGIN_NATIVE_JAVA_CLASSES)
+ROCKSDB_PLUGIN_JAVA_TESTS = $(foreach plugin, $(ROCKSDB_PLUGINS), $(foreach testclass, $($(plugin)_JAVA_TESTS), $(testclass)))
+ALL_JAVA_TESTS = $(JAVA_TESTS) $(ROCKSDB_PLUGIN_JAVA_TESTS)
+
+# When debugging add -Xcheck:jni to the java args
+ifneq ($(DEBUG_LEVEL),0)
+	JAVA_ARGS += -ea -Xcheck:jni
+	JAVAC_ARGS += -Xlint:deprecation -Xlint:unchecked
+endif
+
+# Using a Facebook AWS account for S3 storage. (maven.org has a history
+# of failing in Travis builds.)
+DEPS_URL?=https://rocksdb-deps.s3-us-west-2.amazonaws.com/jars
+
+java-version:
+ifneq ($(JAVAC_VERSION_GE_MIN),true)
+	echo 'Java version is $(JAVAC_VERSION), minimum required version is $(MIN_JAVAC_MAJOR_VERSION)'
+	exit 1
+endif
+
+clean: clean-not-downloaded clean-downloaded
+
+clean-not-downloaded:
+	$(AM_V_at)rm -rf $(NATIVE_INCLUDE)
+	$(AM_V_at)rm -rf $(OUTPUT)
+	$(AM_V_at)rm -rf $(BENCHMARK_OUTPUT)
+	$(AM_V_at)rm -rf $(SAMPLES_OUTPUT)
+
+clean-downloaded:
+	$(AM_V_at)rm -rf $(JAVA_TEST_LIBDIR)
+
+
+javadocs: java
+	$(AM_V_GEN)mkdir -p $(JAVADOC)
+	$(AM_V_at)$(JAVADOC_CMD) -d $(JAVADOC) -sourcepath $(MAIN_SRC) -subpackages org
+
+javalib: java java_test javadocs
+
+java: java-version
+	$(AM_V_GEN)mkdir -p $(MAIN_CLASSES)
+	$(AM_V_at) $(JAVAC_CMD) $(JAVAC_ARGS) -h $(NATIVE_INCLUDE) -d $(MAIN_CLASSES) $(SOURCES)
+	$(AM_V_at)@cp ../HISTORY.md ./HISTORY-CPP.md
+	$(AM_V_at)@rm -f ./HISTORY-CPP.md
+
+sample: java
+	$(AM_V_GEN)mkdir -p $(SAMPLES_MAIN_CLASSES)
+	$(AM_V_at)$(JAVAC_CMD) $(JAVAC_ARGS) -cp $(MAIN_CLASSES) -d $(SAMPLES_MAIN_CLASSES) $(SAMPLES_MAIN_SRC)/RocksDBSample.java
+	$(AM_V_at)@rm -rf /tmp/rocksdbjni
+	$(AM_V_at)@rm -rf /tmp/rocksdbjni_not_found
+	$(JAVA_CMD) $(JAVA_ARGS) -Djava.library.path=target -cp $(MAIN_CLASSES):$(SAMPLES_MAIN_CLASSES) RocksDBSample /tmp/rocksdbjni
+	$(AM_V_at)@rm -rf /tmp/rocksdbjni
+	$(AM_V_at)@rm -rf /tmp/rocksdbjni_not_found
+
+column_family_sample: java
+	$(AM_V_GEN)mkdir -p $(SAMPLES_MAIN_CLASSES)
+	$(AM_V_at)$(JAVAC_CMD) $(JAVAC_ARGS) -cp $(MAIN_CLASSES) -d $(SAMPLES_MAIN_CLASSES) $(SAMPLES_MAIN_SRC)/RocksDBColumnFamilySample.java
+	$(AM_V_at)@rm -rf /tmp/rocksdbjni
+	$(JAVA_CMD) $(JAVA_ARGS) -Djava.library.path=target -cp $(MAIN_CLASSES):$(SAMPLES_MAIN_CLASSES) RocksDBColumnFamilySample /tmp/rocksdbjni
+	$(AM_V_at)@rm -rf /tmp/rocksdbjni
+
+transaction_sample: java
+	$(AM_V_GEN)mkdir -p $(SAMPLES_MAIN_CLASSES)
+	$(AM_V_at)$(JAVAC_CMD) -cp $(MAIN_CLASSES) -d $(SAMPLES_MAIN_CLASSES) $(SAMPLES_MAIN_SRC)/TransactionSample.java
+	$(AM_V_at)@rm -rf /tmp/rocksdbjni
+	$(JAVA_CMD) -ea -Xcheck:jni -Djava.library.path=target -cp $(MAIN_CLASSES):$(SAMPLES_MAIN_CLASSES) TransactionSample /tmp/rocksdbjni
+	$(AM_V_at)@rm -rf /tmp/rocksdbjni
+
+optimistic_transaction_sample: java
+	$(AM_V_GEN)mkdir -p $(SAMPLES_MAIN_CLASSES)
+	$(AM_V_at)$(JAVAC_CMD) -cp $(MAIN_CLASSES) -d $(SAMPLES_MAIN_CLASSES) $(SAMPLES_MAIN_SRC)/OptimisticTransactionSample.java
+	$(AM_V_at)@rm -rf /tmp/rocksdbjni
+	$(JAVA_CMD) -ea -Xcheck:jni -Djava.library.path=target -cp $(MAIN_CLASSES):$(SAMPLES_MAIN_CLASSES) OptimisticTransactionSample /tmp/rocksdbjni
+	$(AM_V_at)@rm -rf /tmp/rocksdbjni
+
+$(JAVA_TEST_LIBDIR):
+	mkdir -p "$(JAVA_TEST_LIBDIR)"
+
+$(JAVA_JUNIT_JAR_PATH): $(JAVA_TEST_LIBDIR)
+ifneq (,$(wildcard $(MVN_LOCAL)/junit/junit/$(JAVA_JUNIT_VER)/$(JAVA_JUNIT_JAR)))
+	cp -v $(MVN_LOCAL)/junit/junit/$(JAVA_JUNIT_VER)/$(JAVA_JUNIT_JAR) $(JAVA_TEST_LIBDIR)
+else
+	curl --fail --insecure --output $(JAVA_JUNIT_JAR_PATH) --location $(DEPS_URL)/$(JAVA_JUNIT_JAR)
+	JAVA_JUNIT_SHA256_ACTUAL=`$(SHA256_CMD) $(JAVA_JUNIT_JAR_PATH) | cut -d ' ' -f 1`; \
+	if [ "$(JAVA_JUNIT_SHA256)" != "$$JAVA_JUNIT_SHA256_ACTUAL" ]; then \
+		echo $(JAVA_JUNIT_JAR_PATH) checksum mismatch, expected=\"$(JAVA_JUNIT_SHA256)\" actual=\"$$JAVA_JUNIT_SHA256_ACTUAL\"; \
+		exit 1; \
+	fi
+endif
+
+$(JAVA_HAMCREST_JAR_PATH): $(JAVA_TEST_LIBDIR)
+ifneq (,$(wildcard $(MVN_LOCAL)/org/hamcrest/hamcrest/$(JAVA_HAMCREST_VER)/$(JAVA_HAMCREST_JAR)))
+	cp -v $(MVN_LOCAL)/org/hamcrest/hamcrest/$(JAVA_HAMCREST_VER)/$(JAVA_HAMCREST_JAR) $(JAVA_TEST_LIBDIR)
+else
+	curl --fail --insecure --output $(JAVA_HAMCREST_JAR_PATH) --location $(DEPS_URL)/$(JAVA_HAMCREST_JAR)
+	JAVA_HAMCREST_SHA256_ACTUAL=`$(SHA256_CMD) $(JAVA_HAMCREST_JAR_PATH) | cut -d ' ' -f 1`; \
+	if [ "$(JAVA_HAMCREST_SHA256)" != "$$JAVA_HAMCREST_SHA256_ACTUAL" ]; then \
+		echo $(JAVA_HAMCREST_JAR_PATH) checksum mismatch, expected=\"$(JAVA_HAMCREST_SHA256)\" actual=\"$$JAVA_HAMCREST_SHA256_ACTUAL\"; \
+		exit 1; \
+	fi
+endif
+
+$(JAVA_MOCKITO_JAR_PATH): $(JAVA_TEST_LIBDIR)
+ifneq (,$(wildcard $(MVN_LOCAL)/org/mockito/mockito-all/$(JAVA_MOCKITO_VER)/$(JAVA_MOCKITO_JAR)))
+	cp -v $(MVN_LOCAL)/org/mockito/mockito-all/$(JAVA_MOCKITO_VER)/$(JAVA_MOCKITO_JAR) $(JAVA_TEST_LIBDIR)
+else
+	curl --fail --insecure --output "$(JAVA_MOCKITO_JAR_PATH)" --location $(DEPS_URL)/$(JAVA_MOCKITO_JAR)
+	JAVA_MOCKITO_SHA256_ACTUAL=`$(SHA256_CMD) $(JAVA_MOCKITO_JAR_PATH) | cut -d ' ' -f 1`; \
+	if [ "$(JAVA_MOCKITO_SHA256)" != "$$JAVA_MOCKITO_SHA256_ACTUAL" ]; then \
+		echo $(JAVA_MOCKITO_JAR_PATH) checksum mismatch, expected=\"$(JAVA_MOCKITO_SHA256)\" actual=\"$$JAVA_MOCKITO_SHA256_ACTUAL\"; \
+		exit 1; \
+	fi
+endif
+
+$(JAVA_CGLIB_JAR_PATH): $(JAVA_TEST_LIBDIR)
+ifneq (,$(wildcard $(MVN_LOCAL)/cglib/cglib/$(JAVA_CGLIB_VER)/$(JAVA_CGLIB_JAR)))
+	cp -v $(MVN_LOCAL)/cglib/cglib/$(JAVA_CGLIB_VER)/$(JAVA_CGLIB_JAR) $(JAVA_TEST_LIBDIR)
+else
+	curl --fail --insecure --output "$(JAVA_CGLIB_JAR_PATH)" --location $(DEPS_URL)/$(JAVA_CGLIB_JAR)
+	JAVA_CGLIB_SHA256_ACTUAL=`$(SHA256_CMD) $(JAVA_CGLIB_JAR_PATH) | cut -d ' ' -f 1`; \
+	if [ "$(JAVA_CGLIB_SHA256)" != "$$JAVA_CGLIB_SHA256_ACTUAL" ]; then \
+		echo $(JAVA_CGLIB_JAR_PATH) checksum mismatch, expected=\"$(JAVA_CGLIB_SHA256)\" actual=\"$$JAVA_CGLIB_SHA256_ACTUAL\"; \
+		exit 1; \
+	fi
+endif
+
+$(JAVA_ASSERTJ_JAR_PATH): $(JAVA_TEST_LIBDIR)
+ifneq (,$(wildcard $(MVN_LOCAL)/org/assertj/assertj-core/$(JAVA_ASSERTJ_VER)/$(JAVA_ASSERTJ_JAR)))
+	cp -v $(MVN_LOCAL)/org/assertj/assertj-core/$(JAVA_ASSERTJ_VER)/$(JAVA_ASSERTJ_JAR) $(JAVA_TEST_LIBDIR)
+else
+	curl --fail --insecure --output "$(JAVA_ASSERTJ_JAR_PATH)" --location $(DEPS_URL)/$(JAVA_ASSERTJ_JAR)
+	JAVA_ASSERTJ_SHA256_ACTUAL=`$(SHA256_CMD) $(JAVA_ASSERTJ_JAR_PATH) | cut -d ' ' -f 1`; \
+	if [ "$(JAVA_ASSERTJ_SHA256)" != "$$JAVA_ASSERTJ_SHA256_ACTUAL" ]; then \
+		echo $(JAVA_ASSERTJ_JAR_PATH) checksum mismatch, expected=\"$(JAVA_ASSERTJ_SHA256)\" actual=\"$$JAVA_ASSERTJ_SHA256_ACTUAL\"; \
+		exit 1; \
+	fi
+endif
+
+resolve_test_deps: $(JAVA_JUNIT_JAR_PATH) $(JAVA_HAMCREST_JAR_PATH) $(JAVA_MOCKITO_JAR_PATH) $(JAVA_CGLIB_JAR_PATH) $(JAVA_ASSERTJ_JAR_PATH)
+
+java_test: java resolve_test_deps
+	$(AM_V_GEN)mkdir -p $(TEST_CLASSES)
+	$(AM_V_at) $(JAVAC_CMD) $(JAVAC_ARGS) -cp $(MAIN_CLASSES):$(JAVA_TESTCLASSPATH) -h $(NATIVE_INCLUDE) -d $(TEST_CLASSES)\
+		$(TEST_SOURCES)
+
+test: java java_test
+	$(MAKE) run_test
+
+run_test:
+	$(JAVA_CMD) $(JAVA_ARGS) -Djava.library.path=target -cp "$(MAIN_CLASSES):$(TEST_CLASSES):$(JAVA_TESTCLASSPATH):target/*" org.rocksdb.test.RocksJunitRunner $(ALL_JAVA_TESTS)
+	$(JAVA_CMD) $(JAVA_ARGS) -Djava.library.path=target -cp "$(MAIN_CLASSES):$(TEST_CLASSES):$(JAVA_TESTCLASSPATH):target/*" org.rocksdb.test.RocksJunitRunner org.rocksdb.StatisticsTest
+
+run_plugin_test:
+	$(JAVA_CMD) $(JAVA_ARGS) -Djava.library.path=target -cp "$(MAIN_CLASSES):$(TEST_CLASSES):$(JAVA_TESTCLASSPATH):target/*" org.rocksdb.test.RocksJunitRunner $(ROCKSDB_PLUGIN_JAVA_TESTS)
+
+db_bench: java
+	$(AM_V_GEN)mkdir -p $(BENCHMARK_MAIN_CLASSES)
+	$(AM_V_at)$(JAVAC_CMD) $(JAVAC_ARGS) -cp $(MAIN_CLASSES) -d $(BENCHMARK_MAIN_CLASSES) $(BENCHMARK_MAIN_SRC)/org/rocksdb/benchmark/*.java
+
+pmd:
+	$(MAVEN_CMD) pmd:pmd pmd:cpd pmd:check