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.condition;
046:
047: import org.obe.util.AbstractBean;
048: import org.obe.xpdl.model.XPDLProperties;
049:
050: import java.beans.PropertyVetoException;
051: import java.util.Arrays;
052:
053: /**
054: * Abstract base implementation of the Condition interface.
055: *
056: * @author Adrian Price
057: */
058: public final class Condition extends AbstractBean {
059: private static final long serialVersionUID = -6563693584809960943L;
060: public static final String TYPE = XPDLProperties.TYPE;
061: public static final String VALUE = XPDLProperties.VALUE;
062: public static final String XPRESSION = XPDLProperties.XPRESSION;
063: private static final Xpression[] EMPTY_XPRESSION = {};
064: private static final String[] _indexedPropertyNames = { XPRESSION };
065: private static final Object[] _indexedPropertyValues = { EMPTY_XPRESSION };
066: private static final int XPRESSION_IDX = 0;
067:
068: private String _value;
069: private Xpression[] _xpression = EMPTY_XPRESSION;
070: private ConditionType _type = ConditionType.CONDITION;
071:
072: /**
073: * Construct a new Condition.
074: */
075: public Condition() {
076: super (_indexedPropertyNames, _indexedPropertyValues);
077: }
078:
079: /**
080: * Get the condition type.
081: *
082: * @return The condition type
083: */
084: public ConditionType getType() {
085: return _type;
086: }
087:
088: /**
089: * Set the condition type.
090: *
091: * @param type The condition type
092: */
093: public void setType(ConditionType type) {
094: _type = type;
095: }
096:
097: /**
098: * Get the condition value. This value represents a conditional
099: * expression.
100: *
101: * @return The value
102: */
103: public String getValue() {
104: return _value;
105: }
106:
107: /**
108: * Set the condition value.
109: *
110: * @param value The value
111: */
112: public void setValue(String value) {
113: _value = value;
114: }
115:
116: public void add(Xpression xpression) throws PropertyVetoException {
117: _xpression = (Xpression[]) add(XPRESSION_IDX, xpression);
118: }
119:
120: public void remove(Xpression xpression)
121: throws PropertyVetoException {
122: _xpression = (Xpression[]) remove(XPRESSION_IDX, xpression);
123: }
124:
125: /**
126: * Get a list of Xpressions.
127: *
128: * @return A List of Xpressions
129: */
130: public Xpression[] getXpression() {
131: return (Xpression[]) get(XPRESSION_IDX);
132: }
133:
134: public Xpression getXpression(int i) {
135: return _xpression[i];
136: }
137:
138: public void setXpression(Xpression[] xpressions)
139: throws PropertyVetoException {
140:
141: set(XPRESSION_IDX,
142: _xpression = xpressions == null ? EMPTY_XPRESSION
143: : xpressions);
144: }
145:
146: public void setXpression(int i, Xpression xpression)
147: throws PropertyVetoException {
148:
149: set(XPRESSION_IDX, i, xpression);
150: }
151:
152: public String toString() {
153: return "Condition[value='"
154: + _value
155: + '\''
156: + ", xpressions="
157: + (_xpression == null ? null : Arrays
158: .asList(_xpression)) + ", type=" + _type + ']';
159: }
160: }
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