001: /*
002: *
003: *
004: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
005: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
006: *
007: * This program is free software; you can redistribute it and/or
008: * modify it under the terms of the GNU General Public License version
009: * 2 only, as published by the Free Software Foundation.
010: *
011: * This program is distributed in the hope that it will be useful, but
012: * WITHOUT ANY WARRANTY; without even the implied warranty of
013: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014: * General Public License version 2 for more details (a copy is
015: * included at /legal/license.txt).
016: *
017: * You should have received a copy of the GNU General Public License
018: * version 2 along with this work; if not, write to the Free Software
019: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020: * 02110-1301 USA
021: *
022: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
023: * Clara, CA 95054 or visit www.sun.com if you need additional
024: * information or have any questions.
025: */
026: package com.sun.perseus.model;
027:
028: import org.w3c.dom.events.Event;
029:
030: /**
031: * A <code>RepeatCondition</code> generates a <code>TimeInstance</code>
032: * everytime the associated repeat event occurs with the expected
033: * <code>repeatCount</code> value.
034: *
035: * @version $Id: RepeatCondition.java,v 1.3 2006/06/29 10:47:34 ln156897 Exp $
036: */
037: public final class RepeatCondition extends EventBaseCondition {
038: /**
039: * The repeatCount which triggers the condition.
040: */
041: int repeatCount;
042:
043: /**
044: * @param timedElement the associated <code>TimedElementSupport</code>.
045: * Should not be null.
046: * @param isBegin defines whether this condition is for a begin list.
047: * @param eventBaseId the id of the element which generates events this
048: * listener listens to. should not be null.
049: * @param offset offset from the sync base. This means that time instances
050: * synchronized on the syncBase begin or end time are offset by
051: * this amount.
052: * @param repeatCount only when the eventBase generates a repeat event with
053: * this repeatCount will a <code>TimeInstance</code> be generated.
054: */
055: public RepeatCondition(final TimedElementSupport timedElement,
056: final boolean isBegin, final String eventBaseId,
057: final long offset, final int repeatCount) {
058: super (timedElement, isBegin, eventBaseId,
059: TimedElementSupport.REPEAT_EVENT_TYPE, offset);
060:
061: this .repeatCount = repeatCount;
062: }
063:
064: /**
065: * Implementation of the <code>EventListener</code> interface.
066: * This is a simple filtered version of the handleEvent implementation
067: * in <code>EventBaseCondition</code>.
068: *
069: * @param evt the event that occured
070: */
071: public void handleEvent(final Event evt) {
072: if (((ModelEvent) evt).repeatCount == repeatCount) {
073: super .handleEvent(evt);
074: }
075: }
076:
077: /**
078: * Converts this <code>RepeatCondition</code> to a String trait.
079: *
080: * @return a string describing this <code>TimeCondition</code>
081: */
082: protected String toStringTrait() {
083: StringBuffer sb = new StringBuffer();
084:
085: sb.append(eventBaseId);
086: sb.append(".repeat(");
087: sb.append(repeatCount);
088: sb.append(')');
089:
090: if (offset != 0) {
091: if (offset > 0) {
092: sb.append('+');
093: }
094: sb.append(offset / 1000f);
095: sb.append('s');
096: }
097:
098: return sb.toString();
099: }
100:
101: }
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