org.quattor.pan.statement

Class ConstantAssignmentStatement

java.lang.Object

org.quattor.pan.statement.Statement

org.quattor.pan.statement.AssignmentStatement

org.quattor.pan.statement.ConstantAssignmentStatement

public class ConstantAssignmentStatement
extends AssignmentStatement

Assigns either a constant or computed value to an absolute path. If the value is Null, then the path is deleted.

Author:

loomis

Field Summary

Fields

Modifier and Type	Field and Description
protected Element	value

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

conditional, modifiable, path

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ConstantAssignmentStatement(SourceRange sourceRange, Path path, Element value, boolean conditional, boolean modifiable) This constructor creates a new AbsoluteAssignmentStatement that assigns a constant value (Element) to the associated path.

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.AssignmentStatement

createAssignmentStatement, createAssignmentStatement, isAbsolute, isRelative

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

value

protected final Element value

Constructor Detail

ConstantAssignmentStatement

protected ConstantAssignmentStatement(SourceRange sourceRange,
                           Path path,
                           Element value,
                           boolean conditional,
                           boolean modifiable)
                               throws SyntaxException

This constructor creates a new AbsoluteAssignmentStatement that assigns a constant value (Element) to the associated path.

Parameters:

sourceRange - source location of this statement

path - machine configuration path (non-external) to modify

value - constant Element value to assign to path

conditional - flag indicating if this is a conditional assignment (i.e. if the value already exists, don't do anything)

modifiable - flag indicating if the path can be further modified (i.e. 'final' functionality)

Throws:

SyntaxException

Method Detail

execute

public void execute(Context context)
             throws EvaluationException

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

Throws:

EvaluationException

toString

public String toString()

Return a reasonable string representation of this statement.

Overrides:

toString in class Object

Returns:

String representation of this statement