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: /**
048: * Data type which describes an array. All items in the array must be of the
049: * same type.
050: *
051: * @author Adrian Price
052: */
053: public final class ArrayType extends MultiValuedType {
054: private static final long serialVersionUID = -3322164316372325857L;
055:
056: private int _lowerIndex;
057: private int _upperIndex;
058:
059: public ArrayType() {
060: }
061:
062: /**
063: * Construct a new ArrayType object.
064: *
065: * @param type The array data type
066: * @param lowerIndex The lower index of the array
067: * @param upperIndex The upper index of the array
068: */
069: public ArrayType(Type type, String lowerIndex, String upperIndex) {
070: this (type, Integer.parseInt(lowerIndex), Integer
071: .parseInt(upperIndex));
072: }
073:
074: /**
075: * Construct a new ArrayType object.
076: *
077: * @param type The array data type
078: * @param lowerIndex The lower index of the array
079: * @param upperIndex The upper index of the array
080: */
081: public ArrayType(Type type, int lowerIndex, int upperIndex) {
082: super (type);
083: _lowerIndex = lowerIndex;
084: _upperIndex = upperIndex;
085: }
086:
087: public int value() {
088: return ARRAY_TYPE;
089: }
090:
091: public int getLowerIndex() {
092: return _lowerIndex;
093: }
094:
095: public void setLowerIndex(int lowerIndex) {
096: _lowerIndex = lowerIndex;
097: }
098:
099: public void setLowerIndex(String lowerIndex) {
100: if (lowerIndex != null)
101: setLowerIndex(Integer.parseInt(lowerIndex));
102: }
103:
104: public int getUpperIndex() {
105: return _upperIndex;
106: }
107:
108: public void setUpperIndex(int upperIndex) {
109: _upperIndex = upperIndex;
110: }
111:
112: public void setUpperIndex(String upperIndex) {
113: if (upperIndex != null)
114: setUpperIndex(Integer.parseInt(upperIndex));
115: }
116:
117: public boolean isAssignableFrom(Type fromType) {
118: if (!(fromType instanceof ArrayType))
119: return false;
120: ArrayType that = (ArrayType) fromType;
121: int this len = _upperIndex - _lowerIndex;
122: int thatlen = that._upperIndex - that._lowerIndex;
123: return _type.isAssignableFrom(that._type) && this len == thatlen;
124: }
125:
126: public String toString() {
127: return "ArrayType[type=" + _type + ", lowerIndex="
128: + _lowerIndex + ", upperIndex=" + _upperIndex + ']';
129: }
130: }
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