001: package org.tigris.scarab.om;
002:
003: /* ================================================================
004: * Copyright (c) 2000-2005 CollabNet. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions are
008: * met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in the
015: * documentation and/or other materials provided with the distribution.
016: *
017: * 3. The end-user documentation included with the redistribution, if
018: * any, must include the following acknowlegement: "This product includes
019: * software developed by CollabNet <http://www.Collab.Net/>."
020: * Alternately, this acknowlegement may appear in the software itself, if
021: * and wherever such third-party acknowlegements normally appear.
022: *
023: * 4. The hosted project names must not be used to endorse or promote
024: * products derived from this software without prior written
025: * permission. For written permission, please contact info@collab.net.
026: *
027: * 5. Products derived from this software may not use the "Tigris" or
028: * "Scarab" names nor may "Tigris" or "Scarab" appear in their names without
029: * prior written permission of CollabNet.
030: *
031: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
032: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
033: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
034: * IN NO EVENT SHALL COLLAB.NET OR ITS CONTRIBUTORS BE LIABLE FOR ANY
035: * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
036: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
037: * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
038: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
039: * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
040: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
041: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
042: *
043: * ====================================================================
044: *
045: * This software consists of voluntary contributions made by many
046: * individuals on behalf of CollabNet.
047: */
048:
049: import java.util.List;
050: import java.util.LinkedList;
051: import java.util.HashMap;
052: import java.io.Serializable;
053:
054: import org.apache.torque.TorqueException;
055: import org.apache.torque.om.Persistent;
056: import org.apache.torque.manager.CacheListener;
057:
058: import org.tigris.scarab.util.Log;
059:
060: /**
061: * This class manages AttributeGroup objects.
062: *
063: * @author <a href="mailto:jmcnally@collab.net">John McNally</a>
064: * @version $Id: AttributeGroupManager.java 9977 2005-12-09 00:40:59Z hair $
065: */
066: public class AttributeGroupManager extends BaseAttributeGroupManager
067: implements CacheListener {
068: /**
069: * Creates a new <code>AttributeGroupManager</code> instance.
070: *
071: * @exception TorqueException if an error occurs
072: */
073: public AttributeGroupManager() throws TorqueException {
074: super ();
075: setRegion(getClassName().replace('.', '_'));
076: validFields = new HashMap();
077: validFields.put(AttributeGroupPeer.MODULE_ID, null);
078: }
079:
080: protected Persistent putInstanceImpl(Persistent om)
081: throws TorqueException {
082: Persistent oldOm = super .putInstanceImpl(om);
083: List listeners = (List) listenersMap
084: .get(AttributeGroupPeer.MODULE_ID);
085: notifyListeners(listeners, oldOm, om);
086: return oldOm;
087: }
088:
089: protected AttributeGroup getInstanceImpl() {
090: return new AttributeGroup();
091: }
092:
093: /**
094: * Notify other managers with relevant CacheEvents.
095: */
096: protected void registerAsListener() {
097: RAttributeAttributeGroupManager.addCacheListener(this );
098: AttributeManager.addCacheListener(this );
099: }
100:
101: // -------------------------------------------------------------------
102: // CacheListener implementation
103:
104: public void addedObject(Persistent om) {
105: if (om instanceof RAttributeAttributeGroup) {
106: RAttributeAttributeGroup castom = (RAttributeAttributeGroup) om;
107: Integer key = castom.getGroupId();
108: try {
109: Serializable obj = getInstance(key);
110: if (obj != null) {
111: getMethodResult().remove(obj,
112: AttributeGroup.GET_ATTRIBUTES);
113: }
114: } catch (TorqueException e) {
115: Log.get().warn("Invalid AttributeGroup id ", e);
116: }
117: } else if (om instanceof Attribute) {
118: getMethodResult().clear();
119: }
120: }
121:
122: public void refreshedObject(Persistent om) {
123: addedObject(om);
124: }
125:
126: /** fields which interest us with respect to cache events */
127: public List getInterestedFields() {
128: List interestedCacheFields = new LinkedList();
129: interestedCacheFields
130: .add(RAttributeAttributeGroupPeer.GROUP_ID);
131: interestedCacheFields.add(AttributePeer.ATTRIBUTE_ID);
132: interestedCacheFields
133: .add(AttributeGroupPeer.ATTRIBUTE_GROUP_ID);
134: return interestedCacheFields;
135: }
136: }
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