01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jboss.ejb.plugins.cmp.bridge;
23:
24: import org.jboss.ejb.EntityEnterpriseContext;
25:
26: /**
27: * FieldBridge represents one field for one entity.
28: *
29: * Life-cycle:
30: * Tied to the EntityBridge.
31: *
32: * Multiplicity:
33: * One for each entity bean field.
34: *
35: * @author <a href="mailto:dain@daingroup.com">Dain Sundstrom</a>
36: * @author <a href="mailto:alex@jboss.org">Alex Loubyansky</a>
37: * @version $Revision: 57209 $
38: */
39: public interface FieldBridge {
40: /**
41: * Gets the name of this field.
42: * @return the name of this field
43: */
44: public String getFieldName();
45:
46: /**
47: * Gets the value of this field for the specified instance context.
48: * @param ctx the context for which this field's value should be fetched
49: * @return the value of this field
50: */
51: public Object getValue(EntityEnterpriseContext ctx);
52:
53: /**
54: * Sets the value of this field for the specified instance context.
55: * @param ctx the context for which this field's value should be set
56: * @param value the new value of this field
57: */
58: public void setValue(EntityEnterpriseContext ctx, Object value);
59: }
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