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.Predicate;
053:
054: import com.projity.pm.time.HasStartAndEnd;
055:
056: /**
057: * A predicate which tests whether an interval is enclosed in a range
058: */
059: public class DateInRangePredicate implements Predicate, HasStartAndEnd {
060: long start;
061: long end;
062:
063: /**
064: *
065: */
066: private DateInRangePredicate(long start, long end) {
067: super ();
068: this .start = start;
069: this .end = end;
070: }
071:
072: /* (non-Javadoc)
073: * @see org.apache.commons.collections.Predicate#evaluate(java.lang.Object)
074: */
075: public boolean evaluate(Object arg0) {
076: HasStartAndEnd interval = (HasStartAndEnd) arg0;
077: // boolean x = (interval.getStart() >= start && interval.getEnd() <= end);
078: // System.out.println("where " + x + "range: "
079: // + new java.util.Date(start) + "-"
080: // + new java.util.Date(end) + " interval "
081: // + new java.util.Date(interval.getStart()) + "-"
082: // + new java.util.Date(interval.getEnd()));
083: return (interval.getStart() >= start && interval.getEnd() <= end);
084: }
085:
086: /**
087: * Factory method
088: * @param start
089: * @param end
090: * @return
091: */
092: public static DateInRangePredicate getInstance(long start, long end) {
093: return new DateInRangePredicate(start, end);
094: }
095:
096: // intersect with another range
097: public void limitTo(long start, long end) {
098: if (start > this .start)
099: this .start = start;
100: if (end < this .end)
101: this .end = end;
102: }
103:
104: /* (non-Javadoc)
105: * @see com.projity.pm.time.HasStartAndEnd#getStart()
106: */
107: public long getStart() {
108: return start;
109: }
110:
111: /* (non-Javadoc)
112: * @see com.projity.pm.time.HasStartAndEnd#getEnd()
113: */
114: public long getEnd() {
115: return end;
116: }
117:
118: public String toString() {
119: return new java.util.Date(start) + " "
120: + new java.util.Date(end);
121: }
122:
123: }
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