org.teiid.query.sql.proc

Class LoopStatement

java.lang.Object

org.teiid.query.sql.proc.Statement

org.teiid.query.sql.proc.LoopStatement

All Implemented Interfaces:

Cloneable, SubqueryContainer, LanguageObject, Statement.Labeled

public class LoopStatement
extends Statement
implements SubqueryContainer, Statement.Labeled

This class represents a loop statement in the storedprocedure language to cursor through a result set. It extends the Statement that could part of a block. This statement has a block, a select statement and a cursor. determines which block should be executed..

Nested Class Summary

Nested classes/interfaces inherited from class org.teiid.query.sql.proc.Statement

Statement.Labeled

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

SubqueryContainer.Evaluatable<T extends Command>

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

LanguageObject.Util

Field Summary

Fields inherited from class org.teiid.query.sql.proc.Statement

TYPE_ASSIGNMENT, TYPE_BREAK, TYPE_COMMAND, TYPE_COMPOUND, TYPE_CONTINUE, TYPE_DECLARE, TYPE_ERROR, TYPE_IF, TYPE_LEAVE, TYPE_LOOP, TYPE_RETURN, TYPE_UNKNOWN, TYPE_UPDATE, TYPE_WHILE

Constructor Summary

Constructors

Constructor and Description
LoopStatement(Block block, Command query, String cursorName)

Method Summary

Modifier and Type	Method and Description
void	acceptVisitor(LanguageVisitor visitor) Method for accepting a visitor.
Object	clone() Deep clone statement to produce a new identical statement.
boolean	equals(Object obj) Compare two LoopStatements for equality.
Block	getBlock()
Command	getCommand() Returns the subquery Command object
String	getCursorName()
String	getLabel()
int	getType() Return the type for this statement, this is one of the types defined on the statement object.
int	hashCode() Get hashcode for LoopStatement.
void	setBlock(Block block)
void	setCommand(Command command) Sets the command.
void	setCommand(Query query)
void	setCursorName(String cursorName)
void	setLabel(String label)

Methods inherited from class org.teiid.query.sql.proc.Statement

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

LoopStatement

public LoopStatement(Block block,
                     Command query,
                     String cursorName)

Method Detail

getLabel

public String getLabel()

Specified by:

getLabel in interface Statement.Labeled

setLabel

public void setLabel(String label)

Specified by:

setLabel in interface Statement.Labeled

getCursorName

public String getCursorName()

Returns:

getBlock

public Block getBlock()

Returns:

getCommand

public Command getCommand()

Description copied from interface: SubqueryContainer

Returns the subquery Command object

Specified by:

getCommand in interface SubqueryContainer

Returns:

setCommand

public void setCommand(Command command)

Sets the command.

Specified by:

setCommand in interface SubqueryContainer

Parameters:

command - the subquery Command object

setCursorName

public void setCursorName(String cursorName)

Parameters:

string -

setBlock

public void setBlock(Block block)

Parameters:

block -

setCommand

public void setCommand(Query query)

Parameters:

query -

getType

public int getType()

Return the type for this statement, this is one of the types defined on the statement object.

Specified by:

getType in class Statement

Returns:

The statement type

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

clone

public Object clone()

Deep clone statement to produce a new identical statement.

Specified by:

clone in interface LanguageObject

Specified by:

clone in class Statement

Returns:

Deep clone

equals

public boolean equals(Object obj)

Compare two LoopStatements for equality. They will only evaluate to equal if they are IDENTICAL: the blocks is same, the query is same, and the cursor name is same.

Overrides:

equals in class Object

Parameters:

obj - Other object

Returns:

True if equal

hashCode

public int hashCode()

Get hashcode for LoopStatement. WARNING: This hash code relies on the hash codes of the block and the query on this statement. Hash code is only valid after the block has been completely constructed.

Overrides:

hashCode in class Object

Returns:

Hash code