org.teiid.query.optimizer

Class SourceTriggerActionPlanner.SourceEventCommand

java.lang.Object

org.teiid.query.sql.lang.Command

org.teiid.query.optimizer.SourceTriggerActionPlanner.SourceEventCommand

All Implemented Interfaces:

Cloneable, LanguageObject

Enclosing class:

SourceTriggerActionPlanner

public static class SourceTriggerActionPlanner.SourceEventCommand
extends Command

Represents a source event as a Command - is localized here as it's not directly callable by a user

Nested Class Summary

Nested classes/interfaces inherited from interface org.teiid.query.sql.LanguageObject

LanguageObject.Util

Field Summary

Fields inherited from class org.teiid.query.sql.lang.Command

tempGroupIDs, TYPE_ALTER_PROC, TYPE_ALTER_TRIGGER, TYPE_ALTER_VIEW, TYPE_BATCHED_UPDATE, TYPE_CREATE, TYPE_DELETE, TYPE_DROP, TYPE_DYNAMIC, TYPE_EXPLAIN, TYPE_INSERT, TYPE_QUERY, TYPE_SOURCE_EVENT, TYPE_STORED_PROCEDURE, TYPE_TRIGGER_ACTION, TYPE_UNKNOWN, TYPE_UPDATE, TYPE_UPDATE_PROCEDURE

Constructor Summary

Constructors

Constructor and Description
SourceEventCommand(Table t, Object[] old, Object[] newValues, String[] columnNames)

Method Summary

Modifier and Type	Method and Description
void	acceptVisitor(LanguageVisitor visitor) Method for accepting a visitor.
boolean	areResultsCachable() Whether the results are cachable.
Object	clone() Implement clone to make objects cloneable.
String[]	getColumnNames()
Object[]	getNewValues()
Object[]	getOldValues()
List<Expression>	getProjectedSymbols() Get the ordered list of all elements returned by this query.
Table	getTable()
int	getType() Return type of command to make it easier to build switch statements by command type.
String	toString() Returns a string representation of an instance of this class.

Methods inherited from class org.teiid.query.sql.lang.Command

addExternalGroupToContext, copyMetadataState, getActualCommand, getAllExternalGroups, getCacheHint, getCommandToken, getCorrelatedReferences, getExternalGroupContexts, getOption, getProcessorPlan, getResultSetColumns, getSourceHint, getTemporaryMetadata, getUpdateCommandSymbol, printCommandTree, printCommandTree, pushNewResolvingContext, returnsResultSet, sameOptionAndHint, setCacheHint, setCorrelatedReferences, setExternalGroupContexts, setOption, setProcessorPlan, setSourceHint, setTemporaryMetadata

Methods inherited from class java.lang.Object

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

Constructor Detail

SourceEventCommand

public SourceEventCommand(Table t,
                          Object[] old,
                          Object[] newValues,
                          String[] columnNames)

Method Detail

acceptVisitor

public void acceptVisitor(LanguageVisitor visitor)

Description copied from interface: LanguageObject

Method for accepting a visitor. It is the responsibility of the language object to call back on the visitor.

Parameters:

visitor - Visitor being used

getType

public int getType()

Description copied from class: Command

Return type of command to make it easier to build switch statements by command type.

Specified by:

getType in class Command

Returns:

Type from TYPE constants

clone

public Object clone()

Description copied from interface: LanguageObject

Implement clone to make objects cloneable.

Specified by:

clone in interface LanguageObject

Specified by:

clone in class Command

Returns:

Deep clone of this object

getProjectedSymbols

public List<Expression> getProjectedSymbols()

Description copied from class: Command

Get the ordered list of all elements returned by this query. These elements may be ElementSymbols or ExpressionSymbols but in all cases each represents a single column.

Specified by:

getProjectedSymbols in class Command

Returns:

Ordered list of SingleElementSymbol

areResultsCachable

public boolean areResultsCachable()

Description copied from class: Command

Whether the results are cachable.

Specified by:

areResultsCachable in class Command

Returns:

True if the results are cachable; false otherwise.

getTable

public Table getTable()

getOldValues

public Object[] getOldValues()

getNewValues

public Object[] getNewValues()

getColumnNames

public String[] getColumnNames()

toString

public String toString()

Description copied from class: Command

Returns a string representation of an instance of this class.

Overrides:

toString in class Command

Returns:

String representation of object