001: /*--
002:
003: Copyright (C) 2002-2005 Adrian Price.
004: 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
008: are 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 disclaimer that follows
015: these conditions in the documentation and/or other materials
016: provided with the distribution.
017:
018: 3. The names "OBE" and "Open Business Engine" must not be used to
019: endorse or promote products derived from this software without prior
020: written permission. For written permission, please contact
021: adrianprice@sourceforge.net.
022:
023: 4. Products derived from this software may not be called "OBE" or
024: "Open Business Engine", nor may "OBE" or "Open Business Engine"
025: appear in their name, without prior written permission from
026: Adrian Price (adrianprice@users.sourceforge.net).
027:
028: THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
029: WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
030: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
031: DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
032: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
033: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
034: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
035: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
036: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
037: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
038: POSSIBILITY OF SUCH DAMAGE.
039:
040: For more information on OBE, please see
041: <http://obe.sourceforge.net/>.
042:
043: */
044:
045: package org.obe.xpdl.model.data;
046:
047: import org.obe.util.AbstractBean;
048: import org.obe.xpdl.PackageVisitor;
049:
050: /**
051: * An ActualParameter defines the value to be passed as a parameter to a tool.
052: * An IN parameter is an expression, an INOUT parameter is the name of the
053: * workflow relevant datum whose value is to be passed in and out of the
054: * tool, and an OUT parameter is the name of the workflow datum to set
055: * with the output value.
056: *
057: * @author Adrian Price
058: */
059: public final class ActualParameter extends AbstractBean {
060: private static final long serialVersionUID = 1956598483548017196L;
061:
062: private String _text;
063:
064: public ActualParameter() {
065: }
066:
067: /**
068: * Construct an ActualParameter.
069: *
070: * @param text The text of the actual parameter
071: */
072: public ActualParameter(String text) {
073: setText(text);
074: }
075:
076: public void accept(PackageVisitor visitor) {
077: visitor.visit(this );
078: }
079:
080: /**
081: * Get the text of the actual parameter. The engine interprets this as an
082: * expression if passed to an IN-type formal parameter, otherwise as the
083: * name of a workflow relevant datum.
084: *
085: * @return The text of the actual parameter
086: */
087: public String getText() {
088: return _text;
089: }
090:
091: /**
092: * Set the text of the actual parameter.
093: *
094: * @param text The text of the actual parameter
095: */
096: public void setText(String text) {
097: if (text == null)
098: throw new IllegalArgumentException("Text cannot be null");
099: _text = text;
100: }
101:
102: public String toString() {
103: return "ActualParameter[text=" + _text + ']';
104: }
105: }
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