io.siddhi.core.table

Class InMemoryTable

java.lang.Object

io.siddhi.core.table.Table

io.siddhi.core.table.InMemoryTable

All Implemented Interfaces:

FindableProcessor, MemoryCalculable

Direct Known Subclasses:

CacheTable

public class InMemoryTable
extends Table

In-memory event table implementation of SiddhiQL.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	InMemoryTable.TableState class to store the state of table

Nested classes/interfaces inherited from class io.siddhi.core.table.Table

Table.OnErrorAction

Field Summary

Fields inherited from class io.siddhi.core.table.Table

siddhiAppContext, tableDefinition, tableMap

Constructor Summary

Constructors

Constructor and Description
InMemoryTable()

Method Summary

Modifier and Type	Method and Description
void	add(ComplexEventChunk<StreamEvent> addingEventChunk)
CompiledCondition	compileCondition(io.siddhi.query.api.expression.Expression condition, MatchingMetaInfoHolder matchingMetaInfoHolder, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String,Table> tableMap, SiddhiQueryContext siddhiQueryContext) To construct a finder having the capability of finding events at the processor that corresponds to the incoming matchingEvent and the given matching expression logic.
CompiledUpdateSet	compileUpdateSet(io.siddhi.query.api.execution.query.output.stream.UpdateSet updateSet, MatchingMetaInfoHolder matchingMetaInfoHolder, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String,Table> tableMap, SiddhiQueryContext siddhiQueryContext) Builds the "compiled" set clause of an update query.
protected void	connectAndLoadCache()
boolean	contains(StateEvent matchingEvent, CompiledCondition compiledCondition)
void	delete(ComplexEventChunk<StateEvent> deletingEventChunk, CompiledCondition compiledCondition)
protected void	destroy()
protected void	disconnect()
StreamEvent	find(CompiledCondition compiledCondition, StateEvent matchingEvent)
io.siddhi.query.api.definition.TableDefinition	getTableDefinition()
void	init(io.siddhi.query.api.definition.TableDefinition tableDefinition, StreamEventFactory storeEventPool, StreamEventCloner storeEventCloner, ConfigReader configReader, SiddhiAppContext siddhiAppContext, RecordTableHandler recordTableHandler)
boolean	isStateful()
protected ComplexEventChunk<StreamEvent>	reduceEventsForUpdateOrInsert(AddingStreamEventExtractor addingStreamEventExtractor, InMemoryCompiledCondition inMemoryCompiledCondition, InMemoryCompiledUpdateSet compiledUpdateSet, ComplexEventChunk<StateEvent> failedEvents)
int	size()
void	update(ComplexEventChunk<StateEvent> updatingEventChunk, CompiledCondition compiledCondition, CompiledUpdateSet compiledUpdateSet)
void	updateOrAdd(ComplexEventChunk<StateEvent> updateOrAddingEventChunk, CompiledCondition compiledCondition, CompiledUpdateSet compiledUpdateSet, AddingStreamEventExtractor addingStreamEventExtractor)

Methods inherited from class io.siddhi.core.table.Table

addEvents, connectWithRetry, containsEvent, deleteEvents, find, getHandler, getIsConnected, getIsTryingToConnect, initTable, onAddError, onDeleteError, onUpdateError, onUpdateOrAddError, setIsConnectedToFalse, shutdown, updateEvents, updateOrAddEvents, waitWhileConnect

Methods inherited from class java.lang.Object

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

Constructor Detail

InMemoryTable

public InMemoryTable()

Method Detail

init

public void init(io.siddhi.query.api.definition.TableDefinition tableDefinition,
                 StreamEventFactory storeEventPool,
                 StreamEventCloner storeEventCloner,
                 ConfigReader configReader,
                 SiddhiAppContext siddhiAppContext,
                 RecordTableHandler recordTableHandler)

Specified by:

init in class Table

getTableDefinition

public io.siddhi.query.api.definition.TableDefinition getTableDefinition()

Overrides:

getTableDefinition in class Table

add

public void add(ComplexEventChunk<StreamEvent> addingEventChunk)

Specified by:

add in class Table

delete

public void delete(ComplexEventChunk<StateEvent> deletingEventChunk,
                   CompiledCondition compiledCondition)

Specified by:

delete in class Table

update

public void update(ComplexEventChunk<StateEvent> updatingEventChunk,
                   CompiledCondition compiledCondition,
                   CompiledUpdateSet compiledUpdateSet)

Specified by:

update in class Table

updateOrAdd

public void updateOrAdd(ComplexEventChunk<StateEvent> updateOrAddingEventChunk,
                        CompiledCondition compiledCondition,
                        CompiledUpdateSet compiledUpdateSet,
                        AddingStreamEventExtractor addingStreamEventExtractor)

Specified by:

updateOrAdd in class Table

reduceEventsForUpdateOrInsert

protected ComplexEventChunk<StreamEvent> reduceEventsForUpdateOrInsert(AddingStreamEventExtractor addingStreamEventExtractor,
                                                                       InMemoryCompiledCondition inMemoryCompiledCondition,
                                                                       InMemoryCompiledUpdateSet compiledUpdateSet,
                                                                       ComplexEventChunk<StateEvent> failedEvents)

contains

public boolean contains(StateEvent matchingEvent,
                        CompiledCondition compiledCondition)

Specified by:

contains in class Table

disconnect

protected void disconnect()

Specified by:

disconnect in class Table

destroy

protected void destroy()

Specified by:

destroy in class Table

find

public StreamEvent find(CompiledCondition compiledCondition,
                        StateEvent matchingEvent)

Specified by:

find in class Table

compileCondition

public CompiledCondition compileCondition(io.siddhi.query.api.expression.Expression condition,
                                          MatchingMetaInfoHolder matchingMetaInfoHolder,
                                          List<VariableExpressionExecutor> variableExpressionExecutors,
                                          Map<String,Table> tableMap,
                                          SiddhiQueryContext siddhiQueryContext)

Description copied from interface: FindableProcessor

To construct a finder having the capability of finding events at the processor that corresponds to the incoming matchingEvent and the given matching expression logic.

Parameters:

condition - the matching condition

matchingMetaInfoHolder - the meta structure of the incoming matchingEvent

variableExpressionExecutors - the list of variable ExpressionExecutors already created

tableMap - map of event tables

siddhiQueryContext - current siddhi query context

Returns:

compiled Condition having the capability of matching events against the incoming matchingEvent

compileUpdateSet

public CompiledUpdateSet compileUpdateSet(io.siddhi.query.api.execution.query.output.stream.UpdateSet updateSet,
                                          MatchingMetaInfoHolder matchingMetaInfoHolder,
                                          List<VariableExpressionExecutor> variableExpressionExecutors,
                                          Map<String,Table> tableMap,
                                          SiddhiQueryContext siddhiQueryContext)

Description copied from class: Table

Builds the "compiled" set clause of an update query. Here, all the pre-processing that can be done prior to receiving the update event is done, so that such pre-processing work will not be done at each update-event-arrival.

Specified by:

compileUpdateSet in class Table

Parameters:

updateSet - the set of assignment expressions, each containing the table column to be updated and the expression to be assigned.

matchingMetaInfoHolder - the meta structure of the incoming matchingEvent

variableExpressionExecutors - the list of variable ExpressionExecutors already created

tableMap - map of event tables

siddhiQueryContext - current siddhi query context

Returns:

CompiledUpdateSet

connectAndLoadCache

protected void connectAndLoadCache()
                            throws ConnectionUnavailableException

Specified by:

connectAndLoadCache in class Table

Throws:

ConnectionUnavailableException

size

public int size()

isStateful

public boolean isStateful()

Specified by:

isStateful in class Table