com.espertech.esper.epl.lookup
Class EventTableIndexRepository

java.lang.Object
  com.espertech.esper.epl.lookup.EventTableIndexRepository

public class EventTableIndexRepository
extends java.lang.Object

A repository of index tables for use with anything that may use the indexes to correlate triggering events with indexed events.

Maintains index tables and keeps a reference count for user. Allows reuse of indexes for multiple deleting statements.

Constructor Summary

EventTableIndexRepository()
Ctor.

Method Summary

Pair<IndexMultiKey,EventTableAndNamePair>	addExplicitIndexOrReuse(boolean unique, java.util.List<IndexedPropDesc> hashProps, java.util.List<IndexedPropDesc> btreeProps, java.lang.Iterable<EventBean> prefilledEvents, EventType indexedType, java.lang.String indexName)
void	addIndex(IndexMultiKey indexMultiKey, EventTableIndexRepositoryEntry entry)
void	destroy() Destroy indexes.
Pair<IndexMultiKey,EventTableAndNamePair>	findTable(java.util.Set<java.lang.String> keyPropertyNames, java.util.Set<java.lang.String> rangePropertyNames, java.util.List<IndexHintInstruction> optionalIndexHintInstructions)
EventTable	getExplicitIndexByName(java.lang.String indexName)
java.lang.String[]	getExplicitIndexNames()
EventTable	getIndexByDesc(IndexMultiKey indexKey)
IndexMultiKey	getIndexByName(java.lang.String indexName)
IndexMultiKey[]	getIndexDescriptors()
java.util.List<EventTable>	getTables() Returns a list of current index tables in the repository.
void	removeIndex(IndexMultiKey index)
void	validateAddExplicitIndex(boolean unique, java.lang.String indexName, java.util.List<CreateIndexItem> columns, EventType eventType, java.lang.Iterable<EventBean> dataWindowContents)

Methods inherited from class java.lang.Object

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

Constructor Detail

EventTableIndexRepository

public EventTableIndexRepository()

Ctor.

Method Detail

addExplicitIndexOrReuse

public Pair<IndexMultiKey,EventTableAndNamePair> addExplicitIndexOrReuse(boolean unique,
                                                                         java.util.List<IndexedPropDesc> hashProps,
                                                                         java.util.List<IndexedPropDesc> btreeProps,
                                                                         java.lang.Iterable<EventBean> prefilledEvents,
                                                                         EventType indexedType,
                                                                         java.lang.String indexName)

addIndex

public void addIndex(IndexMultiKey indexMultiKey,
                     EventTableIndexRepositoryEntry entry)

getTables

public java.util.List<EventTable> getTables()

Returns a list of current index tables in the repository.

Returns:

index tables

destroy

public void destroy()

Destroy indexes.

findTable

public Pair<IndexMultiKey,EventTableAndNamePair> findTable(java.util.Set<java.lang.String> keyPropertyNames,
                                                           java.util.Set<java.lang.String> rangePropertyNames,
                                                           java.util.List<IndexHintInstruction> optionalIndexHintInstructions)

getIndexDescriptors

public IndexMultiKey[] getIndexDescriptors()

validateAddExplicitIndex

public void validateAddExplicitIndex(boolean unique,
                                     java.lang.String indexName,
                                     java.util.List<CreateIndexItem> columns,
                                     EventType eventType,
                                     java.lang.Iterable<EventBean> dataWindowContents)
                              throws ExprValidationException

Throws:

ExprValidationException

getExplicitIndexByName

public EventTable getExplicitIndexByName(java.lang.String indexName)

getIndexByDesc

public EventTable getIndexByDesc(IndexMultiKey indexKey)

getExplicitIndexNames

public java.lang.String[] getExplicitIndexNames()

removeIndex

public void removeIndex(IndexMultiKey index)

getIndexByName

public IndexMultiKey getIndexByName(java.lang.String indexName)