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/*
 * Fabric3
 * Copyright (c) 2009-2015 Metaform Systems
 *
 * 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 org.fabric3.fabric.container.channel;

import java.util.Optional;
import java.util.function.Supplier;

import org.fabric3.spi.container.channel.ChannelConnection;
import org.fabric3.spi.container.channel.EventStream;
import org.fabric3.spi.util.Cast;
import org.fabric3.spi.util.Closeable;

/**
 * Default implementation of a channel connection.
 */
public class ChannelConnectionImpl implements ChannelConnection {
    private String topic;
    private int sequence;
    private EventStream stream;
    private Closeable closeable;

    private Optional> directConnection = Optional.empty();

    public ChannelConnectionImpl(EventStream stream, String topic, int sequence) {
        this.stream = stream;
        this.topic = topic;
        this.sequence = sequence;
    }

    public ChannelConnectionImpl(Supplier directConnection, String topic, int sequence) {
        this.directConnection = Optional.of(directConnection);
        this.topic = topic;
        this.sequence = sequence;
    }

    public int getSequence() {
        return sequence;
    }

    public EventStream getEventStream() {
        return stream;
    }

    public  Optional> getDirectConnection() {
        return Cast.cast(directConnection);
    }

    public Closeable getCloseable() {
        return closeable;
    }

    public void setCloseable(Closeable closeable) {
        this.closeable = closeable;
    }

    public String getTopic() {
        return topic;
    }

}