Source Code Cross Referenced for CustomField.java in  » Database-DBMS » db4o-6.4 » com » db4o » db4ounit » common » reflect » custom » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db4o 6.4 » com.db4o.db4ounit.common.reflect.custom 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* Copyright (C) 2004 - 2007  db4objects Inc.  http://www.db4o.com
002:
003:        This file is part of the db4o open source object database.
004:
005:        db4o is free software; you can redistribute it and/or modify it under
006:        the terms of version 2 of the GNU General Public License as published
007:        by the Free Software Foundation and as clarified by db4objects' GPL 
008:        interpretation policy, available at
009:        http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
010:        Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
011:        Suite 350, San Mateo, CA 94403, USA.
012:
013:        db4o is distributed in the hope that it will be useful, but WITHOUT ANY
014:        WARRANTY; without even the implied warranty of MERCHANTABILITY or
015:        FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
016:        for more details.
017:
018:        You should have received a copy of the GNU General Public License along
019:        with this program; if not, write to the Free Software Foundation, Inc.,
020:        59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
021:        package com.db4o.db4ounit.common.reflect.custom;
022:
023:        import com.db4o.reflect.*;
024:
025:        /**
026:         * One important thing to remember when implementing ReflectField
027:         * is that getFieldType and getIndexType must always return ReflectClass
028:         * instances given by the parent reflector.
029:         */
030:        public class CustomField implements  ReflectField {
031:
032:            // fields must be public so test works on less capable runtimes
033:            public CustomClassRepository _repository;
034:            public String _name;
035:            public Class _type;
036:            public int _index;
037:            public boolean _indexed;
038:
039:            public CustomField() {
040:            }
041:
042:            public CustomField(CustomClassRepository repository, int index,
043:                    String name, Class type) {
044:                _repository = repository;
045:                _index = index;
046:                _name = name;
047:                _type = type;
048:            }
049:
050:            public Object get(Object onObject) {
051:                logMethodCall("get", onObject);
052:                return fieldValues(onObject)[_index];
053:            }
054:
055:            private Object[] fieldValues(Object onObject) {
056:                return ((PersistentEntry) onObject).fieldValues;
057:            }
058:
059:            public ReflectClass getFieldType() {
060:                logMethodCall("getFieldType");
061:                return _repository.forFieldType(_type);
062:            }
063:
064:            public String getName() {
065:                return _name;
066:            }
067:
068:            public Object indexEntry(Object orig) {
069:                logMethodCall("indexEntry", orig);
070:                return orig;
071:            }
072:
073:            public ReflectClass indexType() {
074:                logMethodCall("indexType");
075:                return getFieldType();
076:            }
077:
078:            public boolean isPublic() {
079:                return true;
080:            }
081:
082:            public boolean isStatic() {
083:                return false;
084:            }
085:
086:            public boolean isTransient() {
087:                return false;
088:            }
089:
090:            public void set(Object onObject, Object value) {
091:                logMethodCall("set", onObject, value);
092:                fieldValues(onObject)[_index] = value;
093:            }
094:
095:            public void setAccessible() {
096:            }
097:
098:            public void indexed(boolean value) {
099:                _indexed = value;
100:            }
101:
102:            public boolean indexed() {
103:                return _indexed;
104:            }
105:
106:            public String toString() {
107:                return "CustomField(" + _index + ", " + _name + ", "
108:                        + _type.getName() + ")";
109:            }
110:
111:            private void logMethodCall(String methodName) {
112:                Logger.logMethodCall(this , methodName);
113:            }
114:
115:            private void logMethodCall(String methodName, Object arg) {
116:                Logger.logMethodCall(this , methodName, arg);
117:            }
118:
119:            private void logMethodCall(String methodName, Object arg1,
120:                    Object arg2) {
121:                Logger.logMethodCall(this, methodName, arg1, arg2);
122:            }
123:        }
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