/*
* eXist Open Source Native XML Database
* Copyright (C) 2008-2009 The eXist Project
* http://exist-db.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Id$
*/
package org.exist.storage.util;
import org.exist.xquery.BasicFunction;
import org.exist.xquery.FunctionSignature;
import org.exist.xquery.Cardinality;
import org.exist.xquery.XQueryContext;
import org.exist.xquery.XPathException;
import org.exist.xquery.value.FunctionParameterSequenceType;
import org.exist.xquery.value.SequenceType;
import org.exist.xquery.value.Type;
import org.exist.xquery.value.Sequence;
import org.exist.xquery.value.IntegerValue;
import org.exist.dom.QName;
public class PauseFunction extends BasicFunction {
public final static FunctionSignature signature =
new FunctionSignature(
new QName("pause", TestUtilModule.NAMESPACE_URI),
"Pause for the specified number of seconds.",
new SequenceType[] { new FunctionParameterSequenceType("seconds", Type.INT, Cardinality.EXACTLY_ONE, "Seconds to pause.") },
new SequenceType(Type.ITEM, Cardinality.EMPTY)
);
public PauseFunction(XQueryContext context) {
super(context, signature);
}
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
int t = ((IntegerValue)args[0].itemAt(0)).getInt();
synchronized (this) {
try {
wait(t * 1000);
} catch (InterruptedException e) {
}
}
return Sequence.EMPTY_SEQUENCE;
}
}