rocksdb/java
Tomasz Posluszny 6528ecc800 Add event listeners to RocksJava (#7425)
Summary:
Allows adding event listeners in RocksJava.

* Adds listeners getter and setter in `Options` and `DBOptions` classes.
* Adds `EventListener` Java interface and base class for implementing custom event listener callbacks - `AbstractEventListener`, which has an underlying native callback class implementing C++ `EventListener` class.
* `AbstractEventListener` class has mechanism for selectively enabling its callback methods in order to prevent invoking Java method if it is not implemented. This decreases performance cost in case only subset of event listener callback methods is needed - the JNI code for remaining "no-op" callbacks is not executed.
* The code is covered by unit tests in `EventListenerTest.java`, there are also tests added for setting/getting listeners field in `OptionsTest.java` and `DBOptionsTest.java`.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7425

Reviewed By: pdillinger

Differential Revision: D24063390

Pulled By: jay-zhuang

fbshipit-source-id: 508c359538983d6b765e70d9989c351794a944ee
2020-10-14 11:33:52 -07:00
..
benchmark/src/main/java/org/rocksdb/benchmark Apply formatter on recent 45 commits. (#5827) 2019-09-19 12:34:17 -07:00
crossbuild Automatically number the Maven artifacts (#7219) 2020-08-06 14:13:30 -07:00
jmh Improve RocksJava Comparator (#6252) 2020-02-03 12:30:13 -08:00
rocksjni Add event listeners to RocksJava (#7425) 2020-10-14 11:33:52 -07:00
samples/src/main/java Add TransactionDB and OptimisticTransactionDB to the Java API 2018-03-02 10:34:13 -08:00
src Add event listeners to RocksJava (#7425) 2020-10-14 11:33:52 -07:00
CMakeLists.txt Add event listeners to RocksJava (#7425) 2020-10-14 11:33:52 -07:00
HISTORY-JAVA.md Update JAVA-HISTORY.md for v3.13 2015-08-04 18:12:58 -07:00
jdb_bench.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
Makefile Add event listeners to RocksJava (#7425) 2020-10-14 11:33:52 -07:00
pom.xml.template Automatically number the Maven artifacts (#7219) 2020-08-06 14:13:30 -07:00
RELEASE.md Add shared library for musl-libc (#3143) 2019-11-26 18:24:09 -08:00