Package org.apache.ignite.internal.cache.query.index.sorted.client

Class AbstractClientIndex

java.lang.Object

org.apache.ignite.internal.cache.query.index.AbstractIndex

org.apache.ignite.internal.cache.query.index.sorted.client.AbstractClientIndex

All Implemented Interfaces:

Index

Direct Known Subclasses:

ClientIndex

public abstract class AbstractClientIndex
extends AbstractIndex

Base class for all index implementations for Ignite client nodes. Client nodes don't persist any data, but they still need to know about indexes structures for planning of queries that starts on client nodes.

Constructor Summary

Constructors

Constructor	Description
AbstractClientIndex()

Method Summary

Modifier and Type	Method	Description
boolean	canHandle(CacheDataRow row)	Checks whether index handles specified cache row.
void	destroy(boolean softDelete)	Destroy index.
void	onUpdate(@Nullable CacheDataRow oldRow, @Nullable CacheDataRow newRow, boolean prevRowAvailable)	Callback that runs when the underlying cache is updated.
IgniteException	unsupported()

Methods inherited from class org.apache.ignite.internal.cache.query.index.AbstractIndex

markIndexRebuild, rebuildInProgress, unwrap

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.internal.cache.query.index.Index

id, indexDefinition, name

Constructor Detail

AbstractClientIndex

public AbstractClientIndex()

Method Detail

canHandle

public boolean canHandle(CacheDataRow row)

Checks whether index handles specified cache row.

Parameters:

row - Cache row.

Returns:

Whether index handles specified cache row

onUpdate

public void onUpdate(@Nullable
                     @Nullable CacheDataRow oldRow,
                     @Nullable
                     @Nullable CacheDataRow newRow,
                     boolean prevRowAvailable)
              throws IgniteCheckedException

Callback that runs when the underlying cache is updated.

Parameters:

oldRow - Cache row that was replaced with newRow.

newRow - Cache row that was stored.

prevRowAvailable - Whether oldRow available.

Throws:

IgniteCheckedException

destroy

public void destroy(boolean softDelete)

Destroy index.

Parameters:

softDelete - if true then perform logical deletion.

unsupported

public IgniteException unsupported()

Returns:

Exception about unsupported operation.