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1 package org.drools.jsr94.rules; 2 3 4 import org.drools.AssertionException; 5 import org.drools.RetractionException; 6 import org.drools.RuleBase; 7 import org.drools.TransactionalWorkingMemory; 8 9 import java.util.ArrayList; 10 import java.util.List; 11 12 /*** 13 * Provide access to the list of objects currently asserted to the working memory. 14 * 15 * @author <a href="mailto:thomas.diesler@softcon-itec.de">thomas diesler</a> 16 */ 17 public class TransactionalWorkingMemoryImpl extends TransactionalWorkingMemory 18 { 19 20 private List objectList = new ArrayList(); 21 22 /*** 23 * Construct a new transactional working memory for a ruleBase. 24 * 25 * @param ruleBase The rule base with which this memory is associated. 26 */ 27 TransactionalWorkingMemoryImpl( RuleBase ruleBase ) 28 { 29 super( ruleBase ); 30 } 31 32 /*** Assert a new fact object into this working memory. 33 * 34 * @param object The object to assert. 35 * 36 * @throws AssertionException if an error occurs during assertion. 37 */ 38 public synchronized void assertObject( Object object ) throws AssertionException 39 { 40 super.assertObject( object ); 41 objectList.add( object ); 42 } 43 44 /*** Retract a fact object from this working memory. 45 * 46 * @param object The object to retract. 47 * 48 * @throws RetractionException if an error occurs during retraction. 49 */ 50 public synchronized void retractObject( Object object ) throws RetractionException 51 { 52 super.retractObject( object ); 53 objectList.remove( object ); 54 } 55 }

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