[license] Add third-party components under Apache License 2.0 in LICENSE (#849)

Author: SteNicholas

LICENSE

@@ -199,3 +199,165 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
+
+
+------------------------------------------------------------------------------------
+This product bundles various third-party components under the same license.
+This section summarizes those components.
+
+
+Apache License 2.0
+--------------------------------------
+
+Apache Arrow-java
+./fluss-common/src/main/java/com/alibaba/fluss/compression/ArrowCompressionFactory.java
+./fluss-common/src/main/java/com/alibaba/fluss/compression/Lz4ArrowCompressionCodec.java
+./fluss-common/src/main/java/com/alibaba/fluss/compression/ZstdArrowCompressionCodec.java
+
+Apache Flink
+./fluss-client/src/main/java/com/alibaba/fluss/client/token/DefaultSecurityTokenManager.java
+./fluss-common/src/main/java/com/alibaba/fluss/classloading/ComponentClassLoader.java
+./fluss-common/src/main/java/com/alibaba/fluss/config/ConfigOption.java
+./fluss-common/src/main/java/com/alibaba/fluss/config/Configuration.java
+./fluss-common/src/main/java/com/alibaba/fluss/config/ConfigurationUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/config/GlobalConfiguration.java
+./fluss-common/src/main/java/com/alibaba/fluss/config/MemorySize.java
+./fluss-common/src/main/java/com/alibaba/fluss/fs/FSDataOutputStream.java
+./fluss-common/src/main/java/com/alibaba/fluss/fs/FileSystem.java
+./fluss-common/src/main/java/com/alibaba/fluss/fs/FileSystemSafetyNet.java
+./fluss-common/src/main/java/com/alibaba/fluss/fs/FsPath.java
+./fluss-common/src/main/java/com/alibaba/fluss/fs/SafetyNetCloseableRegistry.java
+./fluss-common/src/main/java/com/alibaba/fluss/fs/SafetyNetWrapperFileSystem.java
+./fluss-common/src/main/java/com/alibaba/fluss/fs/local/LocalFileSystem.java
+./fluss-common/src/main/java/com/alibaba/fluss/memory/AbstractPagedOutputView.java
+./fluss-common/src/main/java/com/alibaba/fluss/memory/MemorySegment.java
+./fluss-common/src/main/java/com/alibaba/fluss/memory/MemoryUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/metrics/MeterView.java
+./fluss-common/src/main/java/com/alibaba/fluss/metrics/groups/AbstractMetricGroup.java
+./fluss-common/src/main/java/com/alibaba/fluss/metrics/groups/MetricGroup.java
+./fluss-common/src/main/java/com/alibaba/fluss/metrics/registry/MetricRegistryImpl.java
+./fluss-common/src/main/java/com/alibaba/fluss/plugin/DefaultPluginManager.java
+./fluss-common/src/main/java/com/alibaba/fluss/plugin/DirectoryBasedPluginFinder.java
+./fluss-common/src/main/java/com/alibaba/fluss/plugin/PluginLoader.java
+./fluss-common/src/main/java/com/alibaba/fluss/row/BinarySegmentUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/row/BinaryString.java
+./fluss-common/src/main/java/com/alibaba/fluss/row/Decimal.java
+./fluss-common/src/main/java/com/alibaba/fluss/types/DataType.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/AbstractAutoCloseableRegistry.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/DateTimeUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/DecimalUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/ExceptionUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/ExecutorUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/FatalExitExceptionHandler.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/FileUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/IOUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/InstantiationUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/MurmurHashUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/NetUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/OperatingSystem.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/SerializedValue.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/TimeUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/UnsafeUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/concurrent/ExecutorThreadFactory.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/concurrent/FutureUtils.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/types/Either.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/types/Tuple.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/types/Tuple2.java
+./fluss-filesystems/fluss-fs-hadoop/src/main/java/com/alibaba/fluss/fs/hdfs/HadoopDataInputStream.java
+./fluss-filesystems/fluss-fs-hadoop/src/main/java/com/alibaba/fluss/fs/hdfs/HadoopDataOutputStream.java
+./fluss-filesystems/fluss-fs-hadoop/src/main/java/com/alibaba/fluss/fs/hdfs/HadoopFileSystem.java
+./fluss-filesystems/fluss-fs-hadoop/src/main/java/com/alibaba/fluss/fs/hdfs/HadoopFsPlugin.java
+./fluss-filesystems/fluss-fs-hadoop/src/main/java/com/alibaba/fluss/fs/hdfs/utils/HadoopUtils.java
+./fluss-filesystems/fluss-fs-oss/src/main/java/com/alibaba/fluss/fs/oss/OSSFileSystem.java
+./fluss-filesystems/fluss-fs-oss/src/main/java/com/alibaba/fluss/fs/oss/OSSFileSystemPlugin.java
+./fluss-filesystems/fluss-fs-s3/src/main/java/com/alibaba/fluss/fs/s3/token/S3DelegationTokenReceiver.java
+./fluss-flink/fluss-flink-common/src/main/java/com/alibaba/fluss/flink/utils/CatalogPropertiesUtils.java
+./fluss-metrics/fluss-metrics-jmx/src/main/java/com/alibaba/fluss/metrics/jmx/JMXService.java
+./fluss-metrics/fluss-metrics-prometheus/src/main/java/com/alibaba/fluss/metrics/prometheus/PrometheusReporter.java
+./fluss-metrics/fluss-metrics-prometheus/src/main/java/com/alibaba/fluss/metrics/prometheus/PrometheusReporterPlugin.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/kv/rocksdb/RocksDBKvBuilder.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/kv/rocksdb/RocksDBResourceContainer.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/kv/rocksdb/RocksDBWriteBatchWrapper.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/kv/snapshot/AsyncSnapshotCallable.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/kv/snapshot/CompletedSnapshot.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/kv/snapshot/CompletedSnapshotHandle.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/kv/snapshot/CompletedSnapshotStore.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/kv/snapshot/PeriodicSnapshotManager.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/kv/snapshot/RocksIncrementalSnapshot.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/kv/snapshot/SharedKvFileRegistry.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/metrics/ServerMetricUtils.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/utils/ResourceGuard.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/utils/ShutdownHookUtil.java
+./fluss-test-utils/src/main/java/com/alibaba/fluss/testutils/common/TestLoggerExtension.java
+
+Apache Kafka
+./fluss-client/src/main/java/com/alibaba/fluss/client/table/scanner/log/LogFetchBuffer.java
+./fluss-client/src/main/java/com/alibaba/fluss/client/table/scanner/log/LogFetchCollector.java
+./fluss-client/src/main/java/com/alibaba/fluss/client/table/scanner/log/LogFetcher.java
+./fluss-client/src/main/java/com/alibaba/fluss/client/write/IdempotenceManager.java
+./fluss-client/src/main/java/com/alibaba/fluss/client/write/RecordAccumulator.java
+./fluss-client/src/main/java/com/alibaba/fluss/client/write/Sender.java
+./fluss-common/src/main/java/com/alibaba/fluss/compression/FlussLZ4BlockInputStream.java
+./fluss-common/src/main/java/com/alibaba/fluss/compression/FlussLZ4BlockOutputStream.java
+./fluss-common/src/main/java/com/alibaba/fluss/record/DefaultLogRecordBatch.java
+./fluss-common/src/main/java/com/alibaba/fluss/record/FileLogInputStream.java
+./fluss-common/src/main/java/com/alibaba/fluss/record/FileLogRecords.java
+./fluss-common/src/main/java/com/alibaba/fluss/record/IndexedLogRecord.java
+./fluss-common/src/main/java/com/alibaba/fluss/record/MemoryLogRecords.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/concurrent/FlussScheduler.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/crc/Checksums.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/crc/Crc32C.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/crc/Java.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/crc/PureJavaCrc32C.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/log/ByteBufferUnmapper.java
+./fluss-common/src/main/java/com/alibaba/fluss/utils/log/FairBucketStatusMap.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/coordinator/statemachine/ReplicaStateMachine.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/coordinator/statemachine/TableBucketStateMachine.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/AbstractIndex.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/LazyIndex.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/LocalLog.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/LogLoader.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/LogManager.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/LogOffsetMetadata.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/LogOffsetSnapshot.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/LogSegment.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/LogSegments.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/LogTablet.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/OffsetIndex.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/TimeIndex.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/WriterStateManager.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/checkpoint/CheckpointFile.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/log/checkpoint/OffsetCheckpointFile.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/replica/AdjustIsrManager.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/replica/FollowerReplica.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/replica/IsrState.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/replica/delay/DelayedFetchLog.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/replica/delay/DelayedOperation.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/replica/delay/DelayedOperationManager.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/replica/delay/DelayedWrite.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/replica/fetcher/ReplicaFetcherManager.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/replica/fetcher/ReplicaFetcherThread.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/utils/timer/DefaultTimer.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/utils/timer/Timer.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/utils/timer/TimerTask.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/utils/timer/TimerTaskEntry.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/utils/timer/TimerTaskList.java
+./fluss-server/src/main/java/com/alibaba/fluss/server/utils/timer/TimingWheel.java
+
+Apache Paimon
+./fluss-common/src/main/java/com/alibaba/fluss/row/encode/paimon/PaimonBinaryRowWriter.java
+./fluss-flink/fluss-flink-common/src/main/java/com/alibaba/fluss/flink/lakehouse/paimon/reader/PaimonSnapshotScanner.java
+./fluss-lakehouse/fluss-lakehouse-paimon/src/main/java/com/alibaba/fluss/lakehouse/paimon/sink/PaimonMultiTableSink.java
+./fluss-lakehouse/fluss-lakehouse-paimon/src/main/java/com/alibaba/fluss/lakehouse/paimon/sink/committable/PaimonMultiTableCommittableSerializer.java
+./fluss-lakehouse/fluss-lakehouse-paimon/src/main/java/com/alibaba/fluss/lakehouse/paimon/sink/committer/PaimonStoreMultiCommitter.java
+./fluss-lakehouse/fluss-lakehouse-paimon/src/main/java/com/alibaba/fluss/lakehouse/paimon/sink/operator/PaimonMultiWriterOperator.java
+
+Apache Spark
+./fluss-rpc/src/main/java/com/alibaba/fluss/rpc/netty/NettyLogger.java
+
+LightProto
+./fluss-common/src/main/java/com/alibaba/fluss/utils/ProtoCodecUtils.java
+./fluss-protogen/fluss-protogen-generator/src/main/java/com/alibaba/fluss/protogen/generator/generator/ProtoGen.java
+./fluss-protogen/fluss-protogen-generator/src/main/java/com/alibaba/fluss/protogen/generator/generator/ProtobufMessage.java
+./fluss-protogen/fluss-protogen-generator/src/main/java/com/alibaba/fluss/protogen/generator/generator/ProtobufNumberField.java
+./fluss-protogen/fluss-protogen-maven-plugin/src/main/java/com/alibaba/fluss/protogen/maven/plugin/ProtoGenMojo.java

fluss-common/src/main/java/com/alibaba/fluss/row/encode/paimon/PaimonBinaryRowWriter.java

@@ -32,6 +32,10 @@
 
 import static com.alibaba.fluss.types.DataTypeChecks.getPrecision;
 
+/* This file is based on source code of Apache Paimon Project (https://paimon.apache.org/), licensed by the Apache
+ * Software Foundation (ASF) under the Apache License, Version 2.0. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership. */
+
 /**
  * A writer to encode Fluss's {@link InternalRow} using Paimon's BinaryRow encoding way.
  *

fluss-flink/fluss-flink-common/src/main/java/com/alibaba/fluss/flink/lakehouse/paimon/reader/PaimonSnapshotScanner.java

@@ -31,6 +31,10 @@
 import java.time.Duration;
 import java.util.Objects;
 
+/* This file is based on source code of Apache Paimon Project (https://paimon.apache.org/), licensed by the Apache
+ * Software Foundation (ASF) under the Apache License, Version 2.0. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership. */
+
 /** A scanner for reading paimon split. Most logic is copied from paimon. */
 public class PaimonSnapshotScanner implements BatchScanner {
 

fluss-flink/fluss-flink-common/src/main/java/com/alibaba/fluss/flink/utils/CatalogPropertiesUtils.java

@@ -40,6 +40,10 @@
 import static com.alibaba.fluss.utils.PropertiesUtils.excludeByPrefix;
 import static org.apache.flink.util.Preconditions.checkNotNull;
 
+/* This file is based on source code of Apache Flink Project (https://flink.apache.org/), licensed by the Apache
+ * Software Foundation (ASF) under the Apache License, Version 2.0. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership. */
+
 /**
  * Utilities for de/serializing {@link Catalog} objects into a map of string properties.
  *

fluss-lakehouse/fluss-lakehouse-paimon/src/main/java/com/alibaba/fluss/lakehouse/paimon/sink/committer/PaimonStoreMultiCommitter.java

@@ -53,6 +53,10 @@
 
 import static com.alibaba.fluss.utils.Preconditions.checkArgument;
 
+/* This file is based on source code of Apache Paimon Project (https://paimon.apache.org/), licensed by the Apache
+ * Software Foundation (ASF) under the Apache License, Version 2.0. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership. */
+
 /**
  * Most copied from Paimon's {@link StoreMultiCommitter}, but add the logic that after committing to
  * Paimon, it'll also report to Fluss so that Fluss can know what data has been tiered to Paimon.