Author: aadamchik Date: Mon Nov 27 19:07:00 2006 New Revision: 479867 URL: http://svn.apache.org/viewvc?view=rev&rev=479867 Log: CAY-712: Allow modifying objects in validate* methods (fix for 2.0 branch)
Added: incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/cayenne/unit/util/ValidationDelegate.java Modified: incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/cayenne/java/org/apache/cayenne/access/ObjectStoreGraphDiff.java incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/art/Artist.java incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/cayenne/access/DataContextValidationTst.java Modified: incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/cayenne/java/org/apache/cayenne/access/ObjectStoreGraphDiff.java URL: http://svn.apache.org/viewvc/incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/cayenne/java/org/apache/cayenne/access/ObjectStoreGraphDiff.java?view=diff&rev=479867&r1=479866&r2=479867 ============================================================================== --- incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/cayenne/java/org/apache/cayenne/access/ObjectStoreGraphDiff.java (original) +++ incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/cayenne/java/org/apache/cayenne/access/ObjectStoreGraphDiff.java Mon Nov 27 19:07:00 2006 @@ -20,6 +20,7 @@ package org.apache.cayenne.access; import java.util.ArrayList; +import java.util.Collection; import java.util.Collections; import java.util.Iterator; import java.util.List; @@ -67,6 +68,11 @@ ValidationResult result = new ValidationResult(); boolean noop = true; + // build a new collection for validation as validation methods may result in + // ObjectStore modifications + + Collection objectsToValidate = null; + Iterator it = getChangesByObjectId().entrySet().iterator(); while (it.hasNext()) { @@ -74,10 +80,21 @@ if (!((ObjectDiff) entry.getValue()).isNoop()) { - noop = false; + if (noop) { + noop = false; + objectsToValidate = new ArrayList(); + } // accessing objectMap directly to avoid unneeded synchronization. - DataObject object = (DataObject) objectStore.getNodeNoSync(entry.getKey()); + objectsToValidate.add(objectStore.getNodeNoSync(entry.getKey())); + } + } + + if (objectsToValidate != null) { + Iterator validationIt = objectsToValidate.iterator(); + while (validationIt.hasNext()) { + DataObject object = (DataObject) validationIt.next(); + switch (object.getPersistenceState()) { case PersistenceState.NEW: object.validateForInsert(result); @@ -90,10 +107,10 @@ break; } } - } - - if (result.hasFailures()) { - throw new ValidationException(result); + + if (result.hasFailures()) { + throw new ValidationException(result); + } } return noop; Modified: incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/art/Artist.java URL: http://svn.apache.org/viewvc/incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/art/Artist.java?view=diff&rev=479867&r1=479866&r2=479867 ============================================================================== --- incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/art/Artist.java (original) +++ incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/art/Artist.java Mon Nov 27 19:07:00 2006 @@ -1,10 +1,12 @@ package org.apache.art; import org.apache.art.auto._Artist; +import org.apache.cayenne.unit.util.ValidationDelegate; import org.apache.cayenne.validation.ValidationResult; public class Artist extends _Artist { + protected transient ValidationDelegate validationDelegate; protected boolean validateForSaveCalled; public boolean isValidateForSaveCalled() { @@ -15,8 +17,15 @@ validateForSaveCalled = false; } + public void setValidationDelegate(ValidationDelegate validationDelegate) { + this.validationDelegate = validationDelegate; + } + public void validateForSave(ValidationResult validationResult) { validateForSaveCalled = true; + if (validationDelegate != null) { + validationDelegate.validateForSave(this, validationResult); + } super.validateForSave(validationResult); } } Modified: incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/cayenne/access/DataContextValidationTst.java URL: http://svn.apache.org/viewvc/incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/cayenne/access/DataContextValidationTst.java?view=diff&rev=479867&r1=479866&r2=479867 ============================================================================== --- incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/cayenne/access/DataContextValidationTst.java (original) +++ incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/cayenne/access/DataContextValidationTst.java Mon Nov 27 19:07:00 2006 @@ -17,11 +17,14 @@ * under the License. ****************************************************************/ - package org.apache.cayenne.access; import org.apache.art.Artist; +import org.apache.art.Painting; +import org.apache.cayenne.query.SelectQuery; import org.apache.cayenne.unit.CayenneTestCase; +import org.apache.cayenne.unit.util.ValidationDelegate; +import org.apache.cayenne.validation.ValidationResult; /** * @author Andrus Adamchik @@ -54,5 +57,36 @@ a2.setArtistName("a2"); context.commitChanges(); assertFalse(a2.isValidateForSaveCalled()); + } + + public void testValidationModifyingContext() throws Exception { + deleteTestData(); + + ValidationDelegate delegate = new ValidationDelegate() { + + public void validateForSave(Object object, ValidationResult validationResult) { + + Artist a = (Artist) object; + Painting p = (Painting) a.getObjectContext().newObject(Painting.class); + p.setPaintingTitle("XXX"); + p.setToArtist(a); + } + }; + + DataContext context = createDataContext(); + + context.setValidatingObjectsOnCommit(true); + Artist a1 = (Artist) context.newObject(Artist.class); + a1.setValidationDelegate(delegate); + a1.setArtistName("a1"); + + // add another artist to ensure that modifying context works when more than one + // object is committed + Artist a2 = (Artist) context.newObject(Artist.class); + a2.setValidationDelegate(delegate); + a2.setArtistName("a2"); + context.commitChanges(); + + assertEquals(2, context.performQuery(new SelectQuery(Painting.class)).size()); } } Added: incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/cayenne/unit/util/ValidationDelegate.java URL: http://svn.apache.org/viewvc/incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/cayenne/unit/util/ValidationDelegate.java?view=auto&rev=479867 ============================================================================== --- incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/cayenne/unit/util/ValidationDelegate.java (added) +++ incubator/cayenne/main/branches/STABLE-2.0/cayenne/cayenne-java/src/tests/java/org/apache/cayenne/unit/util/ValidationDelegate.java Mon Nov 27 19:07:00 2006 @@ -0,0 +1,31 @@ +/***************************************************************** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + ****************************************************************/ +package org.apache.cayenne.unit.util; + +import org.apache.cayenne.validation.ValidationResult; + +/** + * A callback interface used by unit tests to implement custom validation logic. + * + * @author Andrus Adamchik + */ +public interface ValidationDelegate { + + void validateForSave(Object object, ValidationResult validationResult); +}