org.jacorb.notification.filter.impl
Class DefaultETCLEvaluator

java.lang.Object
  org.jacorb.notification.filter.impl.DefaultETCLEvaluator

All Implemented Interfaces:

ETCLEvaluator

public class DefaultETCLEvaluator
extends java.lang.Object
implements ETCLEvaluator

Provide the Basic operations needed to evaluate filter expressions on Anys.

Version:

$Id: DefaultETCLEvaluator.java,v 1.5 2006/07/03 12:51:42 alphonse.bendt Exp $

Author:

Alphonse Bendt

Constructor Summary

DefaultETCLEvaluator(org.omg.CORBA.ORB orb, org.apache.avalon.framework.configuration.Configuration config, org.omg.DynamicAny.DynAnyFactory dynAnyFactory)

Method Summary

org.omg.CORBA.Any	evaluateArrayIndex(org.omg.CORBA.Any any, int index) extract the n-th position out of an Array wrapped inside an Any.
org.omg.CORBA.Any	evaluateDiscriminator(org.omg.CORBA.Any any)
EvaluationResult	evaluateElementInSequence(EvaluationContext context, EvaluationResult element, org.omg.CORBA.Any sequence)
org.omg.CORBA.Any	evaluateExistIdentifier(org.omg.CORBA.Any value, java.lang.String identifier)
org.omg.CORBA.Any	evaluateIdentifier(org.omg.CORBA.Any any, int position)
org.omg.CORBA.Any	evaluateIdentifier(org.omg.CORBA.Any any, java.lang.String identifier) expensive
org.omg.CORBA.Any	evaluateListLength(org.omg.CORBA.Any value) identify the number of elements of a component.
org.omg.CORBA.Any	evaluateNamedValueList(org.omg.CORBA.Any any, java.lang.String name) extract a named value out of a sequence of name/value pairs.
org.omg.CORBA.Any	evaluatePropertyList(Property[] list, java.lang.String name)
org.omg.CORBA.Any	evaluateRepositoryId(org.omg.CORBA.Any value) identify the RepositoryId of a component.
org.omg.CORBA.Any	evaluateTypeName(org.omg.CORBA.Any value) identify the unscoped IDL type name of a component.
org.omg.CORBA.Any	evaluateUnion(org.omg.CORBA.Any value) extract the default member from Union wrapped inside the provided Any.
org.omg.CORBA.Any	evaluateUnion(org.omg.CORBA.Any value, int position)
boolean	hasDefaultDiscriminator(org.omg.CORBA.Any any)

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultETCLEvaluator

public DefaultETCLEvaluator(org.omg.CORBA.ORB orb,
                            org.apache.avalon.framework.configuration.Configuration config,
                            org.omg.DynamicAny.DynAnyFactory dynAnyFactory)

Method Detail

hasDefaultDiscriminator

public boolean hasDefaultDiscriminator(org.omg.CORBA.Any any)
                                throws EvaluationException

Specified by:

hasDefaultDiscriminator in interface ETCLEvaluator

Throws:

EvaluationException

evaluateExistIdentifier

public org.omg.CORBA.Any evaluateExistIdentifier(org.omg.CORBA.Any value,
                                                 java.lang.String identifier)
                                          throws EvaluationException

Specified by:

evaluateExistIdentifier in interface ETCLEvaluator

Throws:

EvaluationException

evaluateTypeName

public org.omg.CORBA.Any evaluateTypeName(org.omg.CORBA.Any value)
                                   throws EvaluationException

Description copied from interface: ETCLEvaluator

identify the unscoped IDL type name of a component. (e.g. mystruct._typeid == 'mystruct')

Specified by:

evaluateTypeName in interface ETCLEvaluator

Parameters:

value - the component

Returns:

the IDL type name (string) wrapped in an any

Throws:

EvaluationException

evaluateRepositoryId

public org.omg.CORBA.Any evaluateRepositoryId(org.omg.CORBA.Any value)
                                       throws EvaluationException

Description copied from interface: ETCLEvaluator

identify the RepositoryId of a component. (e.g. mystruct._repos_id == 'IDL:module/mystruct:1.0'

Specified by:

evaluateRepositoryId in interface ETCLEvaluator

Parameters:

value - the component

Returns:

the IDL type name (string) wrapped in an any

Throws:

EvaluationException

evaluateListLength

public org.omg.CORBA.Any evaluateListLength(org.omg.CORBA.Any value)
                                     throws EvaluationException

Description copied from interface: ETCLEvaluator

identify the number of elements of a component. if the parameter is a sequence or an array, this method will return the number of elements in the list.

Specified by:

evaluateListLength in interface ETCLEvaluator

Parameters:

value - the component

Returns:

the number of elements in the list

Throws:

EvaluationException

evaluateUnion

public org.omg.CORBA.Any evaluateUnion(org.omg.CORBA.Any value)
                                throws EvaluationException

Description copied from interface: ETCLEvaluator

extract the default member from Union wrapped inside the provided Any.

Specified by:

evaluateUnion in interface ETCLEvaluator

Throws:

EvaluationException

evaluateUnion

public org.omg.CORBA.Any evaluateUnion(org.omg.CORBA.Any value,
                                       int position)
                                throws EvaluationException

Specified by:

evaluateUnion in interface ETCLEvaluator

Throws:

EvaluationException

evaluatePropertyList

public org.omg.CORBA.Any evaluatePropertyList(Property[] list,
                                              java.lang.String name)

Specified by:

evaluatePropertyList in interface ETCLEvaluator

evaluateNamedValueList

public org.omg.CORBA.Any evaluateNamedValueList(org.omg.CORBA.Any any,
                                                java.lang.String name)
                                         throws EvaluationException

Description copied from interface: ETCLEvaluator

extract a named value out of a sequence of name/value pairs.

Specified by:

evaluateNamedValueList in interface ETCLEvaluator

Throws:

EvaluationException

evaluateArrayIndex

public org.omg.CORBA.Any evaluateArrayIndex(org.omg.CORBA.Any any,
                                            int index)
                                     throws EvaluationException

Description copied from interface: ETCLEvaluator

extract the n-th position out of an Array wrapped inside an Any.

Specified by:

evaluateArrayIndex in interface ETCLEvaluator

Throws:

EvaluationException

evaluateIdentifier

public org.omg.CORBA.Any evaluateIdentifier(org.omg.CORBA.Any any,
                                            int position)
                                     throws EvaluationException

Specified by:

evaluateIdentifier in interface ETCLEvaluator

Throws:

EvaluationException

evaluateDiscriminator

public org.omg.CORBA.Any evaluateDiscriminator(org.omg.CORBA.Any any)
                                        throws EvaluationException

Specified by:

evaluateDiscriminator in interface ETCLEvaluator

Throws:

EvaluationException

evaluateElementInSequence

public EvaluationResult evaluateElementInSequence(EvaluationContext context,
                                                  EvaluationResult element,
                                                  org.omg.CORBA.Any sequence)
                                           throws EvaluationException

Specified by:

evaluateElementInSequence in interface ETCLEvaluator

Throws:

EvaluationException

evaluateIdentifier

public org.omg.CORBA.Any evaluateIdentifier(org.omg.CORBA.Any any,
                                            java.lang.String identifier)
                                     throws EvaluationException

expensive

Specified by:

evaluateIdentifier in interface ETCLEvaluator

Throws:

EvaluationException