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 Collab.Net <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 Collab.Net.
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 Collab.Net.
047: */
048: // Java classes
049: import java.util.List;
050:
051: // Turbine classes
052: import org.apache.torque.om.Persistent;
053: import org.apache.torque.util.Criteria;
054: import org.apache.torque.TorqueException;
055:
056: // Scarab classes
057: import org.tigris.scarab.tools.localization.L10NKeySet;
058: import org.tigris.scarab.util.ScarabException;
059: import org.tigris.scarab.services.cache.ScarabCache;
060:
061: /**
062: * This class represents an AttributeType
063: *
064: * @author <a href="mailto:jon@collab.net">Jon S. Stevens</a>
065: * @version $Id: AttributeType.java 9977 2005-12-09 00:40:59Z hair $
066: */
067: public class AttributeType extends BaseAttributeType implements
068: Persistent {
069: // the following Strings are method names that are used in caching results
070: private static final String ATTRIBUTETYPE = "AttributeType";
071: private static final String GET_INSTANCE = "getInstance";
072: private static final String GET_ATTRIBUTE_CLASS = "getAttributeClass";
073:
074: /* This interpretation of attribute type stretches its original
075: meaning so I will try to avoid it. - jdm
076: protected boolean onePerModule;
077:
078: /**
079: * Get the value of onePerModule.
080: * @return value of onePerModule.
081: * /
082: public boolean isOnePerModule()
083: {
084: return onePerModule;
085: }
086:
087: /**
088: * Set the value of onePerModule.
089: * @param v Value to assign to onePerModule.
090: * /
091: public void setOnePerModule(boolean v)
092: {
093: this.onePerModule = v;
094: }
095: */
096:
097: /*
098:
099: private static final String =
100: "";
101: List result = null;
102: Object obj = ScarabCache.get(this, ,
103: );
104: if (obj == null)
105: {
106:
107: ScarabCache.put(result, this, ,);
108: }
109: else
110: {
111: result = (List)obj;
112: }
113: return result;
114: */
115:
116: /**
117: * Override the base class to provide caching of AttributeClass objects
118: * and save a hit to the database.
119: */
120: public AttributeClass getAttributeClass() throws TorqueException {
121: AttributeClass result = null;
122: Object obj = ScarabCache.get(this , GET_ATTRIBUTE_CLASS);
123: if (obj == null) {
124: result = super .getAttributeClass();
125: ScarabCache.put(result, this , GET_ATTRIBUTE_CLASS);
126: } else {
127: result = (AttributeClass) obj;
128: }
129: return result;
130: }
131:
132: public static AttributeType getInstance(
133: final String attributeTypeName) throws TorqueException,
134: ScarabException {
135: AttributeType result = null;
136: final Object obj = ScarabCache.get(ATTRIBUTETYPE, GET_INSTANCE,
137: attributeTypeName);
138: if (obj == null) {
139: final Criteria crit = new Criteria();
140: crit.add(AttributeTypePeer.ATTRIBUTE_TYPE_NAME,
141: attributeTypeName);
142: final List attributeTypes = AttributeTypePeer
143: .doSelect(crit);
144: if (attributeTypes.size() > 1) {
145: throw new ScarabException(
146: L10NKeySet.ExceptionDuplicateAttributeTypeName,
147: attributeTypeName);
148: }
149: result = (AttributeType) attributeTypes.get(0);
150: ScarabCache.put(result, ATTRIBUTETYPE, GET_INSTANCE,
151: attributeTypeName);
152: } else {
153: result = (AttributeType) obj;
154: }
155: return result;
156: }
157: }
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