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/*
* Copyright 2008-present MongoDB, Inc.
*
* Licensed 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.mongodb.internal.connection;
import com.mongodb.MongoInternalException;
import com.mongodb.ServerAddress;
import com.mongodb.async.SingleResultCallback;
abstract class ResponseCallback implements SingleResultCallback {
private volatile boolean closed;
private final ServerAddress serverAddress;
private final long requestId;
ResponseCallback(final long requestId, final ServerAddress serverAddress) {
this.serverAddress = serverAddress;
this.requestId = requestId;
}
protected ServerAddress getServerAddress() {
return serverAddress;
}
protected long getRequestId() {
return requestId;
}
@Override
public void onResult(final ResponseBuffers responseBuffers, final Throwable t) {
if (closed) {
throw new MongoInternalException("Callback should not be invoked more than once");
}
closed = true;
if (responseBuffers != null) {
callCallback(responseBuffers, t);
} else {
callCallback(null, t);
}
}
protected abstract void callCallback(ResponseBuffers responseBuffers, Throwable t);
}