org.rocksdb

Class WriteBatch.Handler

java.lang.Object

org.rocksdb.RocksObject

org.rocksdb.WriteBatch.Handler

Enclosing class:

WriteBatch

public abstract static class WriteBatch.Handler
extends RocksObject

Handler callback for iterating over the contents of a batch.

Field Summary

Fields inherited from class org.rocksdb.RocksObject

nativeHandle_

Constructor Summary

Constructors

Constructor and Description
WriteBatch.Handler()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	delete(byte[] key)
protected void	disposeInternal() Deletes underlying C++ handler pointer.
abstract void	logData(byte[] blob)
abstract void	merge(byte[] key, byte[] value)
abstract void	put(byte[] key, byte[] value)
boolean	shouldContinue() shouldContinue is called by the underlying iterator WriteBatch::Iterate.

Methods inherited from class org.rocksdb.RocksObject

disOwnNativeHandle, dispose, finalize, isInitialized, isOwningNativeHandle

Methods inherited from class java.lang.Object

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

Constructor Detail

WriteBatch.Handler

public WriteBatch.Handler()

Method Detail

put

public abstract void put(byte[] key,
       byte[] value)

merge

public abstract void merge(byte[] key,
         byte[] value)

delete

public abstract void delete(byte[] key)

logData

public abstract void logData(byte[] blob)

shouldContinue

public boolean shouldContinue()

shouldContinue is called by the underlying iterator WriteBatch::Iterate. If it returns false, iteration is halted. Otherwise, it continues iterating. The default implementation always returns true.

Returns:

boolean value indicating if the iteration is halted.

disposeInternal

protected void disposeInternal()

Deletes underlying C++ handler pointer.

Specified by:

disposeInternal in class RocksObject