io.airlift.drift.transport.netty.ssl.TChannelBufferInputTransport.java Source code

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Here is the source code for io.airlift.drift.transport.netty.ssl.TChannelBufferInputTransport.java

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/*
 * Copyright (C) 2013 Facebook, 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 io.airlift.drift.transport.netty.ssl;

import io.airlift.drift.protocol.TTransport;
import io.netty.buffer.ByteBuf;
import io.netty.util.ReferenceCounted;

import javax.annotation.CheckReturnValue;
import javax.annotation.concurrent.NotThreadSafe;

import static java.util.Objects.requireNonNull;
import static javax.annotation.meta.When.UNKNOWN;

@NotThreadSafe
public class TChannelBufferInputTransport implements TTransport, ReferenceCounted {
    private final ByteBuf buffer;

    public TChannelBufferInputTransport(ByteBuf buffer) {
        this.buffer = requireNonNull(buffer, "buffer is null");
    }

    @Override
    public void read(byte[] buf, int off, int len) {
        buffer.readBytes(buf, off, len);
    }

    @Override
    public void write(byte[] buf, int off, int len) {
        throw new UnsupportedOperationException();
    }

    @Override
    public int refCnt() {
        return buffer.refCnt();
    }

    @Override
    public ReferenceCounted retain() {
        buffer.retain();
        return this;
    }

    @Override
    public ReferenceCounted retain(int increment) {
        buffer.retain(increment);
        return this;
    }

    @Override
    public ReferenceCounted touch() {
        buffer.touch();
        return this;
    }

    @Override
    public ReferenceCounted touch(Object hint) {
        buffer.touch(hint);
        return this;
    }

    @CheckReturnValue(when = UNKNOWN)
    @Override
    public boolean release() {
        return buffer.release();
    }

    @Override
    public boolean release(int decrement) {
        return buffer.release(decrement);
    }
}