Package org.teiid.query.sql.lang

Class Drop

java.lang.Object

org.teiid.query.sql.lang.Command

org.teiid.query.sql.lang.Drop

All Implemented Interfaces:

Cloneable, TargetedCommand, LanguageObject

public class Drop
extends Command
implements TargetedCommand

Since:

5.5

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	Description
Drop()

Method Summary

Modifier and Type	Method	Description
void	acceptVisitor(LanguageVisitor visitor)	Method for accepting a visitor.
boolean	areResultsCachable()	Whether the results are cachable.
Drop	clone()	Implement clone to make objects cloneable.
boolean	equals(Object obj)
GroupSymbol	getGroup()
List	getProjectedSymbols()	Get the ordered list of all elements returned by this query.
GroupSymbol	getTable()
int	getType()	Return type of command to make it easier to build switch statements by command type.
int	hashCode()
void	setTable(GroupSymbol table)
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

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Drop

public Drop()

Method Detail

getTable

public GroupSymbol getTable()

getGroup

public GroupSymbol getGroup()

Specified by:

getGroup in interface TargetedCommand

setTable

public void setTable(GroupSymbol table)

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 Drop 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 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.

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.

Specified by:

acceptVisitor in interface LanguageObject

Parameters:

visitor - Visitor being used

hashCode

public int hashCode()

Overrides:

hashCode in class Object

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

equals

public boolean equals(Object obj)

Overrides:

equals in class Object