org.wso2.siddhi.extension.eventtable

Class RDBMSEventTable

java.lang.Object

org.wso2.siddhi.extension.eventtable.RDBMSEventTable

All Implemented Interfaces:

org.wso2.siddhi.core.query.processor.stream.window.FindableProcessor, org.wso2.siddhi.core.table.EventTable

public class RDBMSEventTable
extends Object
implements org.wso2.siddhi.core.table.EventTable

Constructor Summary

Constructors

Constructor and Description
RDBMSEventTable()

Method Summary

Modifier and Type	Method and Description
void	add(org.wso2.siddhi.core.event.ComplexEventChunk<org.wso2.siddhi.core.event.stream.StreamEvent> addingEventChunk) Called when adding an event to the event table
org.wso2.siddhi.core.util.collection.operator.Finder	constructFinder(org.wso2.siddhi.query.api.expression.Expression expression, org.wso2.siddhi.core.util.collection.operator.MatchingMetaStateHolder matchingMetaStateHolder, org.wso2.siddhi.core.config.ExecutionPlanContext executionPlanContext, List<org.wso2.siddhi.core.executor.VariableExpressionExecutor> variableExpressionExecutors, Map<String,org.wso2.siddhi.core.table.EventTable> eventTableMap) Called to construct a operator to perform search operations
org.wso2.siddhi.core.util.collection.operator.Operator	constructOperator(org.wso2.siddhi.query.api.expression.Expression expression, org.wso2.siddhi.core.util.collection.operator.MatchingMetaStateHolder matchingMetaStateHolder, org.wso2.siddhi.core.config.ExecutionPlanContext executionPlanContext, List<org.wso2.siddhi.core.executor.VariableExpressionExecutor> variableExpressionExecutors, Map<String,org.wso2.siddhi.core.table.EventTable> eventTableMap) Called to construct a operator to perform delete and update operations
boolean	contains(org.wso2.siddhi.core.event.state.StateEvent matchingEvent, org.wso2.siddhi.core.util.collection.operator.Finder finder) Called when having "in" condition, to check the existence of the event
void	delete(org.wso2.siddhi.core.event.ComplexEventChunk deletingEventChunk, org.wso2.siddhi.core.util.collection.operator.Operator operator) Called when deleting an event chunk from event table
org.wso2.siddhi.core.event.stream.StreamEvent	find(org.wso2.siddhi.core.event.state.StateEvent matchingEvent, org.wso2.siddhi.core.util.collection.operator.Finder finder) Called to find a event from event table
org.wso2.siddhi.query.api.definition.TableDefinition	getTableDefinition()
void	init(org.wso2.siddhi.query.api.definition.TableDefinition tableDefinition, org.wso2.siddhi.core.event.stream.MetaStreamEvent tableMetaStreamEvent, org.wso2.siddhi.core.event.stream.StreamEventPool tableStreamEventPool, org.wso2.siddhi.core.event.stream.StreamEventCloner tableStreamEventCloner, org.wso2.siddhi.core.config.ExecutionPlanContext executionPlanContext) Event Table initialization method, it checks the annotation and do necessary pre configuration tasks.
void	overwriteOrAdd(org.wso2.siddhi.core.event.ComplexEventChunk<org.wso2.siddhi.core.event.state.StateEvent> overwritingOrAddingEventChunk, org.wso2.siddhi.core.util.collection.operator.Operator operator, org.wso2.siddhi.core.util.collection.UpdateAttributeMapper[] updateAttributeMappers, org.wso2.siddhi.core.util.collection.OverwritingStreamEventExtractor overwritingStreamEventExtractor)
void	update(org.wso2.siddhi.core.event.ComplexEventChunk<org.wso2.siddhi.core.event.state.StateEvent> updatingEventChunk, org.wso2.siddhi.core.util.collection.operator.Operator operator, org.wso2.siddhi.core.util.collection.UpdateAttributeMapper[] updateAttributeMappers)

Methods inherited from class java.lang.Object

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

Constructor Detail

RDBMSEventTable

public RDBMSEventTable()

Method Detail

init

public void init(org.wso2.siddhi.query.api.definition.TableDefinition tableDefinition,
                 org.wso2.siddhi.core.event.stream.MetaStreamEvent tableMetaStreamEvent,
                 org.wso2.siddhi.core.event.stream.StreamEventPool tableStreamEventPool,
                 org.wso2.siddhi.core.event.stream.StreamEventCloner tableStreamEventCloner,
                 org.wso2.siddhi.core.config.ExecutionPlanContext executionPlanContext)

Event Table initialization method, it checks the annotation and do necessary pre configuration tasks.

Specified by:

init in interface org.wso2.siddhi.core.table.EventTable

Parameters:

tableDefinition - Definition of event table

tableMetaStreamEvent -

tableStreamEventPool -

tableStreamEventCloner -

executionPlanContext - ExecutionPlan related meta information

getTableDefinition

public org.wso2.siddhi.query.api.definition.TableDefinition getTableDefinition()

Specified by:

getTableDefinition in interface org.wso2.siddhi.core.table.EventTable

add

public void add(org.wso2.siddhi.core.event.ComplexEventChunk<org.wso2.siddhi.core.event.stream.StreamEvent> addingEventChunk)

Called when adding an event to the event table

Specified by:

add in interface org.wso2.siddhi.core.table.EventTable

Parameters:

addingEventChunk - input event list

update

public void update(org.wso2.siddhi.core.event.ComplexEventChunk<org.wso2.siddhi.core.event.state.StateEvent> updatingEventChunk,
                   org.wso2.siddhi.core.util.collection.operator.Operator operator,
                   org.wso2.siddhi.core.util.collection.UpdateAttributeMapper[] updateAttributeMappers)

Specified by:

update in interface org.wso2.siddhi.core.table.EventTable

overwriteOrAdd

public void overwriteOrAdd(org.wso2.siddhi.core.event.ComplexEventChunk<org.wso2.siddhi.core.event.state.StateEvent> overwritingOrAddingEventChunk,
                           org.wso2.siddhi.core.util.collection.operator.Operator operator,
                           org.wso2.siddhi.core.util.collection.UpdateAttributeMapper[] updateAttributeMappers,
                           org.wso2.siddhi.core.util.collection.OverwritingStreamEventExtractor overwritingStreamEventExtractor)

Specified by:

overwriteOrAdd in interface org.wso2.siddhi.core.table.EventTable

contains

public boolean contains(org.wso2.siddhi.core.event.state.StateEvent matchingEvent,
                        org.wso2.siddhi.core.util.collection.operator.Finder finder)

Called when having "in" condition, to check the existence of the event

Specified by:

contains in interface org.wso2.siddhi.core.table.EventTable

Parameters:

matchingEvent - Event that need to be check for existence

finder - Operator that perform RDBMS related search

delete

public void delete(org.wso2.siddhi.core.event.ComplexEventChunk deletingEventChunk,
                   org.wso2.siddhi.core.util.collection.operator.Operator operator)

Called when deleting an event chunk from event table

Specified by:

delete in interface org.wso2.siddhi.core.table.EventTable

Parameters:

deletingEventChunk - Event list for deletion

operator - Operator that perform RDBMS related operations

constructOperator

public org.wso2.siddhi.core.util.collection.operator.Operator constructOperator(org.wso2.siddhi.query.api.expression.Expression expression,
                                                                                org.wso2.siddhi.core.util.collection.operator.MatchingMetaStateHolder matchingMetaStateHolder,
                                                                                org.wso2.siddhi.core.config.ExecutionPlanContext executionPlanContext,
                                                                                List<org.wso2.siddhi.core.executor.VariableExpressionExecutor> variableExpressionExecutors,
                                                                                Map<String,org.wso2.siddhi.core.table.EventTable> eventTableMap)

Called to construct a operator to perform delete and update operations

Specified by:

constructOperator in interface org.wso2.siddhi.core.table.EventTable

find

public org.wso2.siddhi.core.event.stream.StreamEvent find(org.wso2.siddhi.core.event.state.StateEvent matchingEvent,
                                                          org.wso2.siddhi.core.util.collection.operator.Finder finder)

Called to find a event from event table

Specified by:

find in interface org.wso2.siddhi.core.query.processor.stream.window.FindableProcessor

constructFinder

public org.wso2.siddhi.core.util.collection.operator.Finder constructFinder(org.wso2.siddhi.query.api.expression.Expression expression,
                                                                            org.wso2.siddhi.core.util.collection.operator.MatchingMetaStateHolder matchingMetaStateHolder,
                                                                            org.wso2.siddhi.core.config.ExecutionPlanContext executionPlanContext,
                                                                            List<org.wso2.siddhi.core.executor.VariableExpressionExecutor> variableExpressionExecutors,
                                                                            Map<String,org.wso2.siddhi.core.table.EventTable> eventTableMap)

Called to construct a operator to perform search operations

Specified by:

constructFinder in interface org.wso2.siddhi.core.query.processor.stream.window.FindableProcessor