com.ociweb.pronghorn.network.schema.ReleaseSchema Maven / Gradle / Ivy

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package com.ociweb.pronghorn.network.schema;

import com.ociweb.pronghorn.pipe.FieldReferenceOffsetManager;
import com.ociweb.pronghorn.pipe.MessageSchema;
import com.ociweb.pronghorn.pipe.Pipe;
import com.ociweb.pronghorn.pipe.PipeReader;
import com.ociweb.pronghorn.pipe.PipeWriter;

/**
 * Defines release messages. These are acknowledgments to be sent back to another stage to let them know
 * that a pipe is free or a task has finished. Use Position and SequenceNo fields to indicate where operation
 * has ceased.
 */
public class ReleaseSchema extends MessageSchema {

	public final static FieldReferenceOffsetManager FROM = new FieldReferenceOffsetManager(
		    new int[]{0xc0400003,0x90000000,0x90000001,0xc0200003,0xc0400004,0x90000000,0x90000001,0x88000000,0xc0200004},
		    (short)0,
		    new String[]{"Release","ConnectionID","Position",null,"ReleaseWithSeq","ConnectionID","Position","SequenceNo",null},
		    new long[]{100, 1, 2, 0, 101, 1, 2, 3, 0},
		    new String[]{"global",null,null,null,"global",null,null,null,null},
		    "Release.xml",
		    new long[]{2, 2, 0},
		    new int[]{2, 2, 0});


    protected ReleaseSchema() {
        super(FROM);
    }
    
    public static final ReleaseSchema instance = new ReleaseSchema();
    
    public static final int MSG_RELEASE_100 = 0x00000000; //Group/OpenTempl/3
    public static final int MSG_RELEASE_100_FIELD_CONNECTIONID_1 = 0x00800001; //LongUnsigned/None/0
    public static final int MSG_RELEASE_100_FIELD_POSITION_2 = 0x00800003; //LongUnsigned/None/1
    public static final int MSG_RELEASEWITHSEQ_101 = 0x00000004; //Group/OpenTempl/4
    public static final int MSG_RELEASEWITHSEQ_101_FIELD_CONNECTIONID_1 = 0x00800001; //LongUnsigned/None/0
    public static final int MSG_RELEASEWITHSEQ_101_FIELD_POSITION_2 = 0x00800003; //LongUnsigned/None/1
    public static final int MSG_RELEASEWITHSEQ_101_FIELD_SEQUENCENO_3 = 0x00400005; //IntegerSigned/None/0


    public static void consume(Pipe input) {
        while (PipeReader.tryReadFragment(input)) {
            int msgIdx = PipeReader.getMsgIdx(input);
            switch(msgIdx) {
                case MSG_RELEASE_100:
                    consumeRelease(input);
                break;
                case MSG_RELEASEWITHSEQ_101:
                    consumeReleaseWithSeq(input);
                break;
                case -1:
                   //requestShutdown();
                break;
            }
            PipeReader.releaseReadLock(input);
        }
    }

    public static void consumeRelease(Pipe input) {
        long fieldConnectionID = PipeReader.readLong(input,MSG_RELEASE_100_FIELD_CONNECTIONID_1);
        long fieldPosition = PipeReader.readLong(input,MSG_RELEASE_100_FIELD_POSITION_2);
    }
    public static void consumeReleaseWithSeq(Pipe input) {
        long fieldConnectionID = PipeReader.readLong(input,MSG_RELEASEWITHSEQ_101_FIELD_CONNECTIONID_1);
        long fieldPosition = PipeReader.readLong(input,MSG_RELEASEWITHSEQ_101_FIELD_POSITION_2);
        int fieldSequenceNo = PipeReader.readInt(input,MSG_RELEASEWITHSEQ_101_FIELD_SEQUENCENO_3);
    }

    public static void publishRelease(Pipe output, long fieldConnectionID, long fieldPosition) {
            PipeWriter.presumeWriteFragment(output, MSG_RELEASE_100);
            PipeWriter.writeLong(output,MSG_RELEASE_100_FIELD_CONNECTIONID_1, fieldConnectionID);
            PipeWriter.writeLong(output,MSG_RELEASE_100_FIELD_POSITION_2, fieldPosition);
            PipeWriter.publishWrites(output);
    }
    public static void publishReleaseWithSeq(Pipe output, long fieldConnectionID, long fieldPosition, int fieldSequenceNo) {
            PipeWriter.presumeWriteFragment(output, MSG_RELEASEWITHSEQ_101);
            PipeWriter.writeLong(output,MSG_RELEASEWITHSEQ_101_FIELD_CONNECTIONID_1, fieldConnectionID);
            PipeWriter.writeLong(output,MSG_RELEASEWITHSEQ_101_FIELD_POSITION_2, fieldPosition);
            PipeWriter.writeInt(output,MSG_RELEASEWITHSEQ_101_FIELD_SEQUENCENO_3, fieldSequenceNo);
            PipeWriter.publishWrites(output);
    }
        
}