org.tm4j.topicmap.utils.testers
Class ClassInstanceAssocTester

java.lang.Object
  org.tm4j.topicmap.utils.testers.ClassInstanceAssocTester

All Implemented Interfaces:

uk.co.jezuk.mango.Predicate

public class ClassInstanceAssocTester

extends java.lang.Object

implements uk.co.jezuk.mango.Predicate

A tester which tests Association objects to see if they are XTM class-instance associations which are created by TM4J when a new type is added to a Topic.

Constructor Summary

ClassInstanceAssocTester()

Method Summary

boolean

test(java.lang.Object x) Tests if an Association is (probably) an Association generated automatically to represent a class-instance association between a topic and one of its types.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassInstanceAssocTester

public ClassInstanceAssocTester()

Method Detail

test

public boolean test(java.lang.Object x)

Tests if an Association is (probably) an Association generated automatically to represent a class-instance association between a topic and one of its types. This test will return true if if x is an Association which meets the following criteria:

• The Association is typed by a topic with a subject indicator http://www.topicmaps.org/xtm/1.0/index.html#psi-at-class-instance
• The Association has one role typed by a topic with a subject indicator http://www.topicmaps.org/xtm/1.0/index.html#psi-role-class which is played by one topic only
• The Association has one role typed by a topic with a subject indicator http://www.topicmaps.org/xtm/1.0/index.html#psi-role-instance which is played by one topic only
• The Association is in the unconstrained scope

If all the above criteria are true, then this test will return true. Otherwise the test will return false

Specified by:

test in interface uk.co.jezuk.mango.Predicate