divconq.bus.net.StreamMessage.java Source code

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Here is the source code for divconq.bus.net.StreamMessage.java

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/* ************************************************************************
#
#  DivConq
#
#  http://divconq.com/
#
#  Copyright:
#    Copyright 2014 eTimeline, LLC. All rights reserved.
#
#  License:
#    See the license.txt file in the project's top-level directory for details.
#
#  Authors:
#    * Andy White
#
************************************************************************ */
package divconq.bus.net;

import java.nio.ByteBuffer;

import divconq.bus.MessageUtil;
import divconq.struct.RecordStruct;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.util.ReferenceCounted;

public class StreamMessage extends RecordStruct {
    protected ByteBuf data = null;

    public boolean hasData() {
        return (this.data != null);
    }

    public ByteBuf getData() {
        return this.data;
    }

    public void setData(ByteBuf v) {
        this.data = v;
    }

    public StreamMessage() {
    }

    public StreamMessage(String op) {
        this.setField("Op", op);
    }

    public StreamMessage(String op, ByteBuf buf) {
        this(op);
        this.data = buf;
    }

    // TODO clean up this usage - it means something different than above, confusing
    public StreamMessage(String op, ByteBuffer buf) {
        this(op);
        this.data = Unpooled.copiedBuffer(buf.array(), 0, buf.position());
    }

    public boolean hasErrors() {
        return MessageUtil.hasErrors(this);
    }

    public long getCode() {
        return MessageUtil.getCode(this);
    }

    public String getMessage() {
        return MessageUtil.getMessage(this);
    }

    public boolean isFinal() {
        return "Final".equals(this.getFieldAsString("Op"));
    }

    public boolean isStart() {
        return "Start".equals(this.getFieldAsString("Op"));
    }

    public boolean isBlock() {
        return "Block".equals(this.getFieldAsString("Op"));
    }

    public int refCnt() {
        if (this.data != null)
            return this.data.refCnt();

        return 0;
    }

    public ReferenceCounted retain() {
        if (this.data != null)
            return this.data.retain();

        return null;
    }

    public ReferenceCounted retain(int increment) {
        if (this.data != null)
            return this.data.retain(increment);

        return null;
    }

    public boolean release() {
        if (this.data != null)
            return this.data.release();

        return true;
    }

    public boolean release(int decrement) {
        if (this.data != null)
            return this.data.release(decrement);

        return true;
    }
}