org.rocksdb

Class AbstractCompactionFilter<T extends AbstractSlice<?>>

java.lang.Object

org.rocksdb.AbstractNativeReference

org.rocksdb.AbstractImmutableNativeReference

org.rocksdb.RocksObject

org.rocksdb.AbstractCompactionFilter<T>

All Implemented Interfaces:

java.lang.AutoCloseable

Direct Known Subclasses:

CassandraCompactionFilter, RemoveEmptyValueCompactionFilter

public abstract class AbstractCompactionFilter<T extends AbstractSlice<?>>
extends RocksObject

A CompactionFilter allows an application to modify/delete a key-value at the time of compaction.

At present, we just permit an overriding Java class to wrap a C++ implementation

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractCompactionFilter.Context

Field Summary

Fields inherited from class org.rocksdb.RocksObject

nativeHandle_

Fields inherited from class org.rocksdb.AbstractImmutableNativeReference

owningHandle_

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractCompactionFilter(long nativeHandle)

Method Summary

Modifier and Type	Method and Description
protected void	disposeInternal(long handle) Deletes underlying C++ compaction pointer.

Methods inherited from class org.rocksdb.RocksObject

disposeInternal, getNativeHandle

Methods inherited from class org.rocksdb.AbstractImmutableNativeReference

close, disOwnNativeHandle, isOwningHandle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractCompactionFilter

protected AbstractCompactionFilter(long nativeHandle)

Method Detail

disposeInternal

protected final void disposeInternal(long handle)

Deletes underlying C++ compaction pointer.

Note that this function should be called only after all RocksDB instances referencing the compaction filter are closed. Otherwise, an undefined behavior will occur.

Specified by:

disposeInternal in class RocksObject