org.quattor.pan.dml.functions
Class Hash

java.lang.Object
  org.quattor.pan.dml.AbstractOperation
      org.quattor.pan.dml.functions.BuiltInFunction
          org.quattor.pan.dml.functions.Hash

All Implemented Interfaces:

Operation

public final class Hash
extends BuiltInFunction

Creates an nlist from the function's arguments. There must be an even number of arguments. This function is available as nlist in the pan language.

Author:

loomis

Field Summary

Fields inherited from class org.quattor.pan.dml.functions.BuiltInFunction

name

Fields inherited from class org.quattor.pan.dml.AbstractOperation

ops, sourceRange

Method Summary

Element	execute(Context context) Execute this operation within the given context.
static Operation	getInstance(SourceRange sourceRange, Operation... operations)

Methods inherited from class org.quattor.pan.dml.functions.BuiltInFunction

throwExceptionIfCompileTimeContext, toString

Methods inherited from class org.quattor.pan.dml.AbstractOperation

calculateArgs, calculateTerms, checkInvalidSelfContext, checkRestrictedContext, getOperations, getSourceRange

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static Operation getInstance(SourceRange sourceRange,
                                    Operation... operations)
                             throws SyntaxException

Throws:

SyntaxException

execute

public Element execute(Context context)

Description copied from interface: Operation

Execute this operation within the given context. If an error occurs, an EvaluationException will be thrown with the details.

Specified by:

execute in interface Operation

Specified by:

execute in class AbstractOperation

Parameters:

context - evaluation context for the statement

Returns:

Element produced by running operation