com.metamatrix.query.sql.proc
Class CommandStatement

java.lang.Object
  com.metamatrix.query.sql.proc.Statement
      com.metamatrix.query.sql.proc.CommandStatement

All Implemented Interfaces:

SubqueryContainer, LanguageObject, java.io.Serializable, java.lang.Cloneable

public class CommandStatement
extends Statement
implements SubqueryContainer

This class represents a variable assignment statement in the storedprocedure language. It extends the Statement that could part of a block. This statement has a command that should be executed as part of the procedure.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.metamatrix.query.sql.proc.Statement

TYPE_ASSIGNMENT, TYPE_BREAK, TYPE_COMMAND, TYPE_CONTINUE, TYPE_DECLARE, TYPE_ERROR, TYPE_IF, TYPE_LOOP, TYPE_UNKNOWN, TYPE_WHILE

Constructor Summary

CommandStatement()
Constructor for CommandStatement.

CommandStatement(Command value)
Constructor for CommandStatement.

Method Summary

void	acceptVisitor(LanguageVisitor visitor) Method for accepting a visitor.
java.lang.Object	clone() Deep clone statement to produce a new identical statement.
boolean	equals(java.lang.Object obj) Compare two CommandStatements for equality.
Command	getCommand() Get the command on this statement.
int	getType() Return the type for this statement, this is one of the types defined on the statement object.
int	hashCode() Get hashcode for CommandStatement.
void	setCommand(Command command) Sets the command.
java.lang.String	toString() Returns a string representation of an instance of this class.

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandStatement

public CommandStatement()

Constructor for CommandStatement.

CommandStatement

public CommandStatement(Command value)

Constructor for CommandStatement.

Parameters:

value - The Command on this statement

Method Detail

getCommand

public Command getCommand()

Get the command on this statement.

Specified by:

getCommand in interface SubqueryContainer

Returns:

The Command on this statement

setCommand

public void setCommand(Command command)

Sets the command.

Specified by:

setCommand in interface SubqueryContainer

Parameters:

command - the subquery Command object

See Also:

com.metamatrix.query.sql.lang.SubqueryLanguageObject#setCommand()

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 type of this statement

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 java.lang.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(java.lang.Object obj)

Compare two CommandStatements for equality. They will only evaluate to equal if they are IDENTICAL: the command objects are equal.

Overrides:

equals in class java.lang.Object

Parameters:

obj - Other object

Returns:

True if equal

hashCode

public int hashCode()

Get hashcode for CommandStatement. WARNING: This hash code relies on the hash code of the command on this statement.

Overrides:

hashCode in class java.lang.Object

Returns:

Hash code

toString

public java.lang.String toString()

Returns a string representation of an instance of this class.

Overrides:

toString in class java.lang.Object

Returns:

String representation of object