/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opendj3/legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opendj3/legal-notices/CDDLv1_0.txt. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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* Copyright 2012 ForgeRock AS
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*/
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package com.forgerock.opendj.ldap;
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import java.io.IOException;
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import java.util.concurrent.TimeUnit;
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import org.glassfish.grizzly.*;
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import org.glassfish.grizzly.attributes.AttributeHolder;
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import org.glassfish.grizzly.monitoring.MonitoringConfig;
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/**
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* A Grizzly connection which synchronizes write requests in order to workaround
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* issue GRIZZLY-1191 (http://java.net/jira/browse/GRIZZLY-1191). See OPENDJ-422
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* (https://bugster.forgerock.org/jira/browse/OPENDJ-422) for more information.
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* <p>
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* This class should be removed once we issue GRIZZLY-422 is resolved and/or we
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* move to non-blocking IO (requires Grizzly 2.2).
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*/
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final class SynchronizedConnection<L> implements Connection<L>
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{
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private final Connection<L> connection;
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private final Object writeLock = new Object();
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/**
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* Returns a synchronized view of the provided Grizzly connection.
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*
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* @param connection
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* The Grizzly connection to be synchronized.
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* @return The synchronized view of the provided Grizzly connection.
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*/
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static <L> SynchronizedConnection<L> synchronizeConnection(
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Connection<L> connection)
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{
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if (connection instanceof SynchronizedConnection)
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{
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return (SynchronizedConnection<L>) connection;
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}
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else
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{
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return new SynchronizedConnection<L>(connection);
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}
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}
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private SynchronizedConnection(Connection<L> connection)
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{
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this.connection = connection;
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}
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/**
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* Returns the underlying unsynchronized connection.
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*
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* @return The underlying unsynchronized connection.
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*/
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Connection<L> getUnsynchronizedConnection()
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{
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return connection;
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}
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public <M> GrizzlyFuture<WriteResult<M, L>> write(M message)
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throws IOException
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{
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synchronized (writeLock)
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{
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return connection.write(message);
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}
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}
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public <M> GrizzlyFuture<ReadResult<M, L>> read() throws IOException
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{
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return connection.read();
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}
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public AttributeHolder getAttributes()
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{
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return connection.getAttributes();
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}
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public <M> GrizzlyFuture<ReadResult<M, L>> read(
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CompletionHandler<ReadResult<M, L>> completionHandler) throws IOException
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{
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return connection.read(completionHandler);
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}
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public Transport getTransport()
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{
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return connection.getTransport();
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}
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public <M> GrizzlyFuture<WriteResult<M, L>> write(M message,
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CompletionHandler<WriteResult<M, L>> completionHandler)
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throws IOException
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{
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synchronized (writeLock)
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{
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return connection.write(message, completionHandler);
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}
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}
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public boolean isOpen()
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{
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return connection.isOpen();
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}
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public void configureBlocking(boolean isBlocking)
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{
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connection.configureBlocking(isBlocking);
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}
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public <M> GrizzlyFuture<WriteResult<M, L>> write(L dstAddress, M message,
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CompletionHandler<WriteResult<M, L>> completionHandler)
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throws IOException
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{
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synchronized (writeLock)
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{
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return connection.write(dstAddress, message, completionHandler);
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}
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}
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public boolean isBlocking()
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{
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return connection.isBlocking();
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}
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public void configureStandalone(boolean isStandalone)
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{
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connection.configureStandalone(isStandalone);
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}
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public boolean isStandalone()
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{
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return connection.isStandalone();
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}
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@SuppressWarnings("rawtypes")
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public Processor obtainProcessor(IOEvent ioEvent)
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{
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return connection.obtainProcessor(ioEvent);
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}
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@SuppressWarnings("rawtypes")
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public Processor getProcessor()
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{
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return connection.getProcessor();
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}
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@SuppressWarnings("rawtypes")
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public void setProcessor(Processor preferableProcessor)
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{
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connection.setProcessor(preferableProcessor);
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}
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public ProcessorSelector getProcessorSelector()
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{
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return connection.getProcessorSelector();
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}
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public void setProcessorSelector(ProcessorSelector preferableProcessorSelector)
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{
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connection.setProcessorSelector(preferableProcessorSelector);
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}
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public L getPeerAddress()
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{
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return connection.getPeerAddress();
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}
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public L getLocalAddress()
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{
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return connection.getLocalAddress();
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}
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@SuppressWarnings("rawtypes")
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public GrizzlyFuture<Connection> close() throws IOException
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{
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synchronized (writeLock)
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{
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return connection.close();
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}
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}
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@SuppressWarnings("rawtypes")
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public GrizzlyFuture<Connection> close(
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CompletionHandler<Connection> completionHandler) throws IOException
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{
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synchronized (writeLock)
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{
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return connection.close(completionHandler);
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}
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}
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public int getReadBufferSize()
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{
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return connection.getReadBufferSize();
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}
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public void setReadBufferSize(int readBufferSize)
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{
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connection.setReadBufferSize(readBufferSize);
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}
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public int getWriteBufferSize()
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{
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return connection.getWriteBufferSize();
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}
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public void setWriteBufferSize(int writeBufferSize)
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{
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connection.setWriteBufferSize(writeBufferSize);
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}
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public long getReadTimeout(TimeUnit timeUnit)
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{
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return connection.getReadTimeout(timeUnit);
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}
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public void setReadTimeout(long timeout, TimeUnit timeUnit)
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{
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connection.setReadTimeout(timeout, timeUnit);
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}
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public long getWriteTimeout(TimeUnit timeUnit)
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{
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return connection.getWriteTimeout(timeUnit);
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}
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public void setWriteTimeout(long timeout, TimeUnit timeUnit)
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{
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connection.setWriteTimeout(timeout, timeUnit);
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}
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public void enableIOEvent(IOEvent ioEvent) throws IOException
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{
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connection.enableIOEvent(ioEvent);
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}
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public void disableIOEvent(IOEvent ioEvent) throws IOException
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{
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connection.disableIOEvent(ioEvent);
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}
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public MonitoringConfig<ConnectionProbe> getMonitoringConfig()
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{
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return connection.getMonitoringConfig();
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}
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public void addCloseListener(
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org.glassfish.grizzly.Connection.CloseListener closeListener)
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{
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connection.addCloseListener(closeListener);
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}
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public boolean removeCloseListener(
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org.glassfish.grizzly.Connection.CloseListener closeListener)
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{
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return connection.removeCloseListener(closeListener);
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}
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public void notifyConnectionError(Throwable error)
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{
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connection.notifyConnectionError(error);
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}
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public String toString()
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{
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return connection.toString();
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}
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}
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