org.eclipse.scada.protocol.iec60870.asdu.message.SetPointCommandShortFloatingPointCP56Time2a.java Source code

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Here is the source code for org.eclipse.scada.protocol.iec60870.asdu.message.SetPointCommandShortFloatingPointCP56Time2a.java

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/*******************************************************************************
 * Copyright (c) 2014 IBH SYSTEMS GmbH and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBH SYSTEMS GmbH - initial API and implementation
 *******************************************************************************/
package org.eclipse.scada.protocol.iec60870.asdu.message;

import io.netty.buffer.ByteBuf;

import java.util.Collections;
import java.util.List;

import org.eclipse.scada.protocol.iec60870.ProtocolOptions;
import org.eclipse.scada.protocol.iec60870.asdu.ASDUHeader;
import org.eclipse.scada.protocol.iec60870.asdu.types.ASDU;
import org.eclipse.scada.protocol.iec60870.asdu.types.Cause;
import org.eclipse.scada.protocol.iec60870.asdu.types.InformationEntry;
import org.eclipse.scada.protocol.iec60870.asdu.types.InformationObjectAddress;
import org.eclipse.scada.protocol.iec60870.asdu.types.InformationStructure;
import org.eclipse.scada.protocol.iec60870.asdu.types.QualityInformation;
import org.eclipse.scada.protocol.iec60870.asdu.types.TypeHelper;
import org.eclipse.scada.protocol.iec60870.asdu.types.Value;

@ASDU(id = 63, name = "C_SE_TC_1", informationStructure = InformationStructure.SINGLE)
public class SetPointCommandShortFloatingPointCP56Time2a extends AbstractInformationObjectMessage
        implements MirrorableMessage<SetPointCommandShortFloatingPointCP56Time2a> {
    private final byte type;

    private final boolean execute;

    private final Value<Float> value;

    public SetPointCommandShortFloatingPointCP56Time2a(final ASDUHeader header,
            final InformationObjectAddress informationObjectAddress, final Value<Float> value, final byte type,
            final boolean execute) {
        super(header, informationObjectAddress);
        this.value = value;
        this.type = type;
        this.execute = execute;
    }

    public SetPointCommandShortFloatingPointCP56Time2a(final ASDUHeader header,
            final InformationObjectAddress informationObjectAddress, final Value<Float> value) {
        this(header, informationObjectAddress, value, (byte) 0, true);
    }

    public byte getType() {
        return this.type;
    }

    public Value<Float> getValue() {
        return this.value;
    }

    public boolean isExecute() {
        return this.execute;
    }

    @Override
    public SetPointCommandShortFloatingPointCP56Time2a mirror(final Cause cause, final boolean positive) {
        return new SetPointCommandShortFloatingPointCP56Time2a(this.header.clone(cause, positive),
                this.informationObjectAddress, this.value, this.type, this.execute);
    }

    public List<InformationEntry<Float>> getEntries() {
        return Collections
                .singletonList(new InformationEntry<Float>(this.getInformationObjectAddress(), this.value));
    }

    @Override
    public void encode(final ProtocolOptions options, final ByteBuf out) {
        EncodeHelper.encodeHeader(this, options, null, this.header, out);

        this.informationObjectAddress.encode(options, out);

        out.writeFloat(this.value.getValue());

        byte b = 0;

        b |= this.type & 0b011111111;
        b |= this.execute ? 0 : 0b100000000;

        out.writeByte(b);

        TypeHelper.encodeTimestamp(options, out, this.value.getTimestamp());
    }

    public static SetPointCommandShortFloatingPointCP56Time2a parse(final ProtocolOptions options,
            final byte length, final ASDUHeader header, final ByteBuf data) {
        final InformationObjectAddress address = InformationObjectAddress.parse(options, data);

        final float value = data.readFloat();

        final byte b = data.readByte();

        final byte type = (byte) (b & 0b011111111);
        final boolean execute = !((b & 0b100000000) > 0);

        final Value<Float> val = new Value<Float>(value, TypeHelper.parseTimestamp(options, data),
                QualityInformation.OK);

        return new SetPointCommandShortFloatingPointCP56Time2a(header, address, val, type, execute);
    }

}