org.quattor.pan.statement

Class ComputedVariableStatement

java.lang.Object

org.quattor.pan.statement.Statement

org.quattor.pan.statement.VariableStatement

org.quattor.pan.statement.ComputedVariableStatement

Direct Known Subclasses:

ComputedLoadpathStatement

public class ComputedVariableStatement
extends VariableStatement

Sets a global variable to a constant or computed value.

Author:

loomis

Field Summary

Fields

Modifier and Type	Field and Description
protected Operation	dml

Fields inherited from class org.quattor.pan.statement.VariableStatement

conditional, modifiable, name

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ComputedVariableStatement(SourceRange sourceRange, String name, Operation dml, boolean conditional, boolean modifiable) Creates a VariableStatement which assign a global variable to the result of a DML block.

Method Summary

Methods

Modifier and Type	Method and Description
void	execute(Context context) Execute this Statement within the given context.
String	toString() Return a reasonable string representation of this statement.

Methods inherited from class org.quattor.pan.statement.VariableStatement

convertLoadpathVariable, getInstance

Methods inherited from class org.quattor.pan.statement.Statement

getSourceRange

Methods inherited from class java.lang.Object

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

Field Detail

dml

protected final Operation dml

Constructor Detail

ComputedVariableStatement

protected ComputedVariableStatement(SourceRange sourceRange,
                         String name,
                         Operation dml,
                         boolean conditional,
                         boolean modifiable)
                             throws SyntaxException

Creates a VariableStatement which assign a global variable to the result of a DML block.

Parameters:

sourceRange - source location of this statement

name - name of the global variable

dml - DML block to evaluate

conditional - flag indicating if this is a conditional assignment

modifiable - flag indicating if the variable can be modified after this statement executes (i.e. final functionality)

Throws:

SyntaxException

Method Detail

execute

public void execute(Context context)

Description copied from class: Statement

Execute this Statement within the given context.

Specified by:

execute in class Statement

Parameters:

context - DML context to use for the evalution of this statement

toString

public String toString()

Return a reasonable string representation of this statement.

Overrides:

toString in class Object

Returns:

String representation of this VariableStatement