proton-j/src/main/java/org/apache/qpid/proton/engine/impl/EndpointImplQuery.java

package org.apache.qpid.proton.engine.impl;
/*
 *
 * 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.
 *
*/


import java.util.EnumSet;
import org.apache.qpid.proton.engine.EndpointState;

class EndpointImplQuery<T extends EndpointImpl> implements LinkNode.Query<T>
{
    private final EnumSet<EndpointState> _local;
    private final EnumSet<EndpointState> _remote;

    EndpointImplQuery(EnumSet<EndpointState> local, EnumSet<EndpointState> remote)
    {
        _local = local;
        _remote = remote;
    }

    public boolean matches(LinkNode<T> node)
    {
        return (_local == null || _local.contains(node.getValue().getLocalState()))
                && (_remote == null || _remote.contains(node.getValue().getRemoteState()));
    }
}