/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.sun.jini.norm;
import java.util.HashMap;
import java.util.Map;
import java.rmi.RemoteException;
import net.jini.core.lease.LeaseException;
import net.jini.core.lease.LeaseMapException;
import com.sun.jini.lease.AbstractLeaseMap;
/**
* An implementation of LeaseMap that holds exactly one lease. Used when
* we have a deformed lease that we won't be able to batch with anyone
* else and we want to call ClientLeaseWrapper.renew() instead of
* LeaseMap.renewAll().
* <p>
* Provides hooks for synchronization and data associated with each
* client lease while allowing us to use
* <code>LeaseRenewalManager</code>. Objects of this class are
* returned by <code>createLeaseMap</code> calls made on
* <code>ClientLeaseWrapper</code> objects that are deformed.
*
* @author Sun Microsystems, Inc.
* @see ClientLeaseWrapper
*/
class DeformedClientLeaseMapWrapper extends AbstractLeaseMap {
private static final long serialVersionUID = 1L;
/**
* Create a DeformedClientLeaseMapWrapper.
* @param lease a Wrapper for the lease that wants to be renewed.
* May be deformed.
* @param duration the duration to associate with lease
*/
DeformedClientLeaseMapWrapper(ClientLeaseWrapper lease, long duration) {
super(new HashMap(1), lease, duration);
}
// inherit javadoc
public void cancelAll() {
throw new UnsupportedOperationException(
"ClientLeaseMapWrapper.cancelAll: " +
"LRS should not being canceling client leases");
}
// inherit javadoc
public void renewAll() throws LeaseMapException, RemoteException {
ClientLeaseWrapper l =
(ClientLeaseWrapper) (map.keySet().iterator().next());
long d = ((Integer) (map.get(l))).longValue();
try {
l.renew(d);
} catch (LeaseException e) {
final Map m = new HashMap(1);
m.put(l, e);
throw new LeaseMapException(e.getMessage(), m);
}
}
// inherit javadoc
public boolean canContainKey(Object key) {
// DeformedClientLeaseMapWrapper can only be created with exactly one
// lease, and currently they can only contain one lease, so
// return false unless the lease passed in is the one we already
// have.
return map.containsKey(key);
}
}