Source Code Cross Referenced for PropertySuffix.java in  » Workflow-Engines » jbpm-jpdl-3.2.2 » org » jbpm » jpdl » el » impl » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » jbpm jpdl 3.2.2 » org.jbpm.jpdl.el.impl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * The Apache Software License, Version 1.1
003:         *
004:         * Copyright (c) 1999 The Apache Software Foundation.  All rights 
005:         * reserved.
006:         *
007:         * Redistribution and use in source and binary forms, with or without
008:         * modification, are permitted provided that the following conditions
009:         * are met:
010:         *
011:         * 1. Redistributions of source code must retain the above copyright
012:         *    notice, this list of conditions and the following disclaimer. 
013:         *
014:         * 2. Redistributions in binary form must reproduce the above copyright
015:         *    notice, this list of conditions and the following disclaimer in
016:         *    the documentation and/or other materials provided with the
017:         *    distribution.
018:         *
019:         * 3. The end-user documentation included with the redistribution, if
020:         *    any, must include the following acknowlegement:  
021:         *       "This product includes software developed by the 
022:         *        Apache Software Foundation (http://www.apache.org/)."
023:         *    Alternately, this acknowlegement may appear in the software itself,
024:         *    if and wherever such third-party acknowlegements normally appear.
025:         *
026:         * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
027:         *    Foundation" must not be used to endorse or promote products derived
028:         *    from this software without prior written permission. For written 
029:         *    permission, please contact apache@apache.org.
030:         *
031:         * 5. Products derived from this software may not be called "Apache"
032:         *    nor may "Apache" appear in their names without prior written
033:         *    permission of the Apache Group.
034:         *
035:         * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
036:         * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037:         * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038:         * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
039:         * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
040:         * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
041:         * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
042:         * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
043:         * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
044:         * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
045:         * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
046:         * SUCH DAMAGE.
047:         * ====================================================================
048:         *
049:         * This software consists of voluntary contributions made by many
050:         * individuals on behalf of the Apache Software Foundation.  For more
051:         * information on the Apache Software Foundation, please see
052:         * <http://www.apache.org/>.
053:         *
054:         */
055:
056:        package org.jbpm.jpdl.el.impl;
057:
058:        import org.jbpm.jpdl.el.ELException;
059:        import org.jbpm.jpdl.el.FunctionMapper;
060:        import org.jbpm.jpdl.el.VariableResolver;
061:
062:        /**
063:         *
064:         * <p>Represents an operator that obtains the value of another value's
065:         * property.  This is a specialization of ArraySuffix - a.b is
066:         * equivalent to a["b"]
067:         * 
068:         * @author Nathan Abramson - Art Technology Group
069:         * @author Shawn Bayern
070:         * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author$
071:         **/
072:
073:        public class PropertySuffix extends ArraySuffix {
074:            //-------------------------------------
075:            // Properties
076:            //-------------------------------------
077:            // property name
078:
079:            String mName;
080:
081:            public String getName() {
082:                return mName;
083:            }
084:
085:            public void setName(String pName) {
086:                mName = pName;
087:            }
088:
089:            //-------------------------------------
090:            /**
091:             *
092:             * Constructor
093:             **/
094:            public PropertySuffix(String pName) {
095:                super (null);
096:                mName = pName;
097:            }
098:
099:            //-------------------------------------
100:            /**
101:             *
102:             * Gets the value of the index
103:             **/
104:            Object evaluateIndex(VariableResolver pResolver,
105:                    FunctionMapper functions, Logger pLogger)
106:                    throws ELException {
107:                return mName;
108:            }
109:
110:            //-------------------------------------
111:            /**
112:             *
113:             * Returns the operator symbol
114:             **/
115:            String getOperatorSymbol() {
116:                return ".";
117:            }
118:
119:            //-------------------------------------
120:            // ValueSuffix methods
121:            //-------------------------------------
122:            /**
123:             *
124:             * Returns the expression in the expression language syntax
125:             **/
126:            public String getExpressionString() {
127:                return "." + StringLiteral.toIdentifierToken(mName);
128:            }
129:
130:            //-------------------------------------
131:        }
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