001: /*
002: The contents of this file are subject to the Common Public Attribution License
003: Version 1.0 (the "License"); you may not use this file except in compliance with
004: the License. You may obtain a copy of the License at
005: http://www.projity.com/license . The License is based on the Mozilla Public
006: License Version 1.1 but Sections 14 and 15 have been added to cover use of
007: software over a computer network and provide for limited attribution for the
008: Original Developer. In addition, Exhibit A has been modified to be consistent
009: with Exhibit B.
010:
011: Software distributed under the License is distributed on an "AS IS" basis,
012: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
013: specific language governing rights and limitations under the License. The
014: Original Code is OpenProj. The Original Developer is the Initial Developer and
015: is Projity, Inc. All portions of the code written by Projity are Copyright (c)
016: 2006, 2007. All Rights Reserved. Contributors Projity, Inc.
017:
018: Alternatively, the contents of this file may be used under the terms of the
019: Projity End-User License Agreeement (the Projity License), in which case the
020: provisions of the Projity License are applicable instead of those above. If you
021: wish to allow use of your version of this file only under the terms of the
022: Projity License and not to allow others to use your version of this file under
023: the CPAL, indicate your decision by deleting the provisions above and replace
024: them with the notice and other provisions required by the Projity License. If
025: you do not delete the provisions above, a recipient may use your version of this
026: file under either the CPAL or the Projity License.
027:
028: [NOTE: The text of this license may differ slightly from the text of the notices
029: in Exhibits A and B of the license at http://www.projity.com/license. You should
030: use the latest text at http://www.projity.com/license for your modifications.
031: You may not remove this license text from the source files.]
032:
033: Attribution Information: Attribution Copyright Notice: Copyright © 2006, 2007
034: Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
035: an open source solution from Projity. Attribution URL: http://www.projity.com
036: Graphic Image as provided in the Covered Code as file: openproj_logo.png with
037: alternatives listed on http://www.projity.com/logo
038:
039: Display of Attribution Information is required in Larger Works which are defined
040: in the CPAL as a work which combines Covered Code or portions thereof with code
041: not governed by the terms of the CPAL. However, in addition to the other notice
042: obligations, all copies of the Covered Code in Executable and Source Code form
043: distributed must, as a form of attribution of the original author, include on
044: each user interface screen the "OpenProj" logo visible to all users. The
045: OpenProj logo should be located horizontally aligned with the menu bar and left
046: justified on the top left of the screen adjacent to the File menu. The logo
047: must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
048: must direct them back to http://www.projity.com.
049: */
050: package com.projity.algorithm;
051:
052: import org.apache.commons.collections.Closure;
053:
054: import com.projity.pm.time.HasStartAndEnd;
055: import com.projity.timescale.TimeIterator;
056:
057: /**
058: * A generator corresponding to a start/end with a stepping value
059: */
060: public class TimeIteratorGenerator implements IntervalGenerator,
061: HasStartAndEnd {
062: TimeIterator timeIterator;
063: HasStartAndEnd currentInterval = null;
064: long currentEnd;
065: Closure visitor = null;
066: int index = 0;
067:
068: private TimeIteratorGenerator(TimeIterator timeIterator) {
069: this .timeIterator = timeIterator;
070: currentInterval = timeIterator.next(); // set to first one
071: }
072:
073: /* (non-Javadoc)
074: * @see com.projity.algorithm.IntervalGenerator#current()
075: */
076: public Object current() {
077: return null;
078: }
079:
080: /* (non-Javadoc)
081: * @see com.projity.algorithm.IntervalGenerator#currentEnd()
082: */
083: public long currentEnd() {
084: return currentInterval.getEnd();
085: }
086:
087: public long currentStart() {
088: return currentInterval.getStart();
089: }
090:
091: /* (non-Javadoc)
092: * @see com.projity.algorithm.IntervalGenerator#next()
093: */
094: public boolean evaluate(Object obj) {
095: // System.out.println("----iterator date " + new java.util.Date(currentInterval.getStart()));
096: currentInterval = timeIterator.next();
097: index++;
098: return timeIterator.hasNext();
099: }
100:
101: /* (non-Javadoc)
102: * @see java.lang.Comparable#compareTo(java.lang.Object)
103: */
104: public int compareTo(Object arg0) {
105: // TODO Auto-generated method stub
106: return 0;
107: }
108:
109: /**
110: * @return Returns the end.
111: */
112: public long getEnd() {
113: return timeIterator.getEnd();
114: }
115:
116: /**
117: * @return Returns the start.
118: */
119: public long getStart() {
120: return timeIterator.getStart();
121: }
122:
123: public static TimeIteratorGenerator getInstance(
124: TimeIterator timeIterator) {
125: return new TimeIteratorGenerator(timeIterator);
126: }
127:
128: /* (non-Javadoc)
129: * @see com.projity.algorithm.IntervalGenerator#isActive()
130: */
131: public boolean isCurrentActive() {
132: return true;
133: }
134:
135: /* (non-Javadoc)
136: * @see com.projity.algorithm.IntervalGenerator#hasNext()
137: */
138: public boolean hasNext() {
139: return timeIterator.hasNext();
140: }
141:
142: /* (non-Javadoc)
143: * @see com.projity.algorithm.IntervalGenerator#canBeShared()
144: */
145: public boolean canBeShared() {
146: return true;
147: }
148:
149: /**
150: * @return Returns the index.
151: */
152: public int getIndex() {
153: return index;
154: }
155: }
|