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/* ----------------------------------------------------------------------------
* Copyright (C) 2013 European Space Agency
* European Space Operations Centre
* Darmstadt
* Germany
* ----------------------------------------------------------------------------
* System : CCSDS MO MAL Java API
* ----------------------------------------------------------------------------
* Licensed under the European Space Agency Public License, Version 2.0
* You may not use this file except in compliance with the License.
*
* Except as expressly set forth in this License, the Software is provided to
* You on an "as is" basis and without warranties of any kind, including without
* limitation merchantability, fitness for a particular purpose, absence of
* defects or errors, accuracy or non-infringement of intellectual property rights.
*
* See the License for the specific language governing permissions and
* limitations under the License.
* ----------------------------------------------------------------------------
*/
package org.ccsds.moims.mo.mal;
import org.ccsds.moims.mo.mal.structures.Attribute;
import org.ccsds.moims.mo.mal.structures.AttributeTypeList;
import org.ccsds.moims.mo.mal.structures.Identifier;
import org.ccsds.moims.mo.mal.structures.IdentifierList;
import org.ccsds.moims.mo.mal.structures.InteractionType;
import org.ccsds.moims.mo.mal.structures.Subscription;
import org.ccsds.moims.mo.mal.structures.UOctet;
import org.ccsds.moims.mo.mal.structures.UShort;
import org.ccsds.moims.mo.mal.structures.UpdateHeader;
/**
* Class representing a Publish-Subscribe operation.
*/
public class MALPubSubOperation extends MALOperation {
/**
* Literal representing the REGISTER stage.
*/
public static final byte _REGISTER_STAGE = (byte) 0x1;
/**
* MAL UOctet representing the REGISTER stage.
*/
public static final UOctet REGISTER_STAGE = new UOctet(_REGISTER_STAGE);
/**
* Literal representing the REGISTER_ACK stage.
*/
public static final byte _REGISTER_ACK_STAGE = (byte) 0x2;
/**
* MAL UOctet representing the REGISTER_ACK stage.
*/
public static final UOctet REGISTER_ACK_STAGE = new UOctet(_REGISTER_ACK_STAGE);
/**
* Literal representing the PUBLISH_REGISTER stage.
*/
public static final byte _PUBLISH_REGISTER_STAGE = (byte) 0x3;
/**
* MAL UOctet representing the PUBLISH_REGISTER stage.
*/
public static final UOctet PUBLISH_REGISTER_STAGE = new UOctet(_PUBLISH_REGISTER_STAGE);
/**
* Literal representing the PUBLISH_REGISTER_ACK stage.
*/
public static final byte _PUBLISH_REGISTER_ACK_STAGE = (byte) 0x4;
/**
* MAL UOctet representing the PUBLISH_REGISTER_ACK stage.
*/
public static final UOctet PUBLISH_REGISTER_ACK_STAGE = new UOctet(_PUBLISH_REGISTER_ACK_STAGE);
/**
* Literal representing the PUBLISH stage.
*/
public static final byte _PUBLISH_STAGE = (byte) 0x5;
/**
* MAL UOctet representing the PUBLISH stage.
*/
public static final UOctet PUBLISH_STAGE = new UOctet(_PUBLISH_STAGE);
/**
* Literal representing the NOTIFY stage.
*/
public static final byte _NOTIFY_STAGE = (byte) 0x6;
/**
* MAL UOctet representing the NOTIFY stage.
*/
public static final UOctet NOTIFY_STAGE = new UOctet(_NOTIFY_STAGE);
/**
* Literal representing the DEREGISTER stage.
*/
public static final byte _DEREGISTER_STAGE = (byte) 0x7;
/**
* MAL UOctet representing the DEREGISTER stage.
*/
public static final UOctet DEREGISTER_STAGE = new UOctet(_DEREGISTER_STAGE);
/**
* Literal representing the DEREGISTER_ACK stage.
*/
public static final byte _DEREGISTER_ACK_STAGE = (byte) 0x8;
/**
* MAL UOctet representing the DEREGISTER_ACK stage.
*/
public static final UOctet DEREGISTER_ACK_STAGE = new UOctet(_DEREGISTER_ACK_STAGE);
/**
* Literal representing the PUBLISH_DEREGISTER stage.
*/
public static final byte _PUBLISH_DEREGISTER_STAGE = (byte) 0x9;
/**
* MAL UOctet representing the PUBLISH_DEREGISTER stage.
*/
public static final UOctet PUBLISH_DEREGISTER_STAGE = new UOctet(_PUBLISH_DEREGISTER_STAGE);
/**
* Literal representing the PUBLISH_DEREGISTER_ACK stage.
*/
public static final byte _PUBLISH_DEREGISTER_ACK_STAGE = (byte) 0x0A;
/**
* MAL UOctet representing the PUBLISH_DEREGISTER_ACK stage.
*/
public static final UOctet PUBLISH_DEREGISTER_ACK_STAGE = new UOctet(_PUBLISH_DEREGISTER_ACK_STAGE);
private static final OperationField[] PUBSUB_REG_OPERATION_STAGE = new OperationField[]{
new OperationField("subscription", false, Subscription.SHORT_FORM)
};
private static final OperationField[] PUBSUB_REGACK_OPERATION_STAGE = new OperationField[0];
private static final OperationField[] PUBSUB_PUBREG_OPERATION_STAGE
= new OperationField[]{
new OperationField("names", false, IdentifierList.SHORT_FORM),
new OperationField("types", false, AttributeTypeList.SHORT_FORM)
};
private static final OperationField[] PUBSUB_PUBREGACK_OPERATION_STAGE = new OperationField[0];
private static final OperationField[] PUBSUB_DEREG_OPERATION_STAGE = new OperationField[]{
new OperationField("subscriptionIds", false, IdentifierList.SHORT_FORM)
};
private static final OperationField[] PUBSUB_DEREGACK_OPERATION_STAGE = new OperationField[0];
private static final OperationField[] PUBSUB_PUBDEREG_OPERATION_STAGE = new OperationField[0];
private static final OperationField[] PUBSUB_PUBDEREGACK_OPERATION_STAGE = new OperationField[0];
private final OperationField[] pubSubPublishStage;
private final OperationField[] pubSubNotifyStage;
/**
* Initialises the internal variables with the supplied values.
*
* @param serviceKey Service Key for the service of this operation.
* @param number Number of the operation.
* @param name Name of the operation.
* @param capabilitySet Capability set of the operation.
* @param fields PUB-SUB fields. transmitted by the PUBLISH/NOTIFY message
* of a PUBLISH-SUBSCRIBE operation.
* @throws java.lang.IllegalArgumentException If any argument is null,
* except the operation stage arguments.
*/
public MALPubSubOperation(final ServiceKey serviceKey,
final UShort number,
final Identifier name,
final UShort capabilitySet,
final OperationField[] fields)
throws java.lang.IllegalArgumentException {
super(serviceKey, number, name, InteractionType.PUBSUB, capabilitySet);
OperationField[] publishFields = new OperationField[fields.length + 1];
OperationField[] notifyFields = new OperationField[fields.length + 2];
for (int i = 0; i < fields.length; i++) {
final OperationField field = fields[i];
publishFields[i + 1] = field;
notifyFields[i + 2] = field;
}
// Publish message:
publishFields[0] = new OperationField("header", false, UpdateHeader.SHORT_FORM);
// Notify message:
notifyFields[0] = new OperationField("subscriptionId", false, Attribute.IDENTIFIER_SHORT_FORM);
notifyFields[1] = new OperationField("updateHeader", false, UpdateHeader.SHORT_FORM);
this.pubSubPublishStage = publishFields;
this.pubSubNotifyStage = notifyFields;
}
/**
* Returns the operation stage for the supplied stage number.
*
* @param stageNumber The stage number to return.
* @return The operation stage.
* @throws java.lang.IllegalArgumentException if the supplied argument is
* null or stage does not exist for this pattern.
*/
@Override
public OperationField[] getFieldsOnStage(final UOctet stageNumber) throws IllegalArgumentException {
if (stageNumber == null) {
throw new IllegalArgumentException("Supplied stage number must not be NULL");
}
switch (stageNumber.getValue()) {
case _REGISTER_STAGE:
return PUBSUB_REG_OPERATION_STAGE;
case _REGISTER_ACK_STAGE:
return PUBSUB_REGACK_OPERATION_STAGE;
case _PUBLISH_REGISTER_STAGE:
return PUBSUB_PUBREG_OPERATION_STAGE;
case _PUBLISH_REGISTER_ACK_STAGE:
return PUBSUB_PUBREGACK_OPERATION_STAGE;
case _PUBLISH_STAGE:
return pubSubPublishStage;
case _NOTIFY_STAGE:
return pubSubNotifyStage;
case _DEREGISTER_STAGE:
return PUBSUB_DEREG_OPERATION_STAGE;
case _DEREGISTER_ACK_STAGE:
return PUBSUB_DEREGACK_OPERATION_STAGE;
case _PUBLISH_DEREGISTER_STAGE:
return PUBSUB_PUBDEREG_OPERATION_STAGE;
case _PUBLISH_DEREGISTER_ACK_STAGE:
return PUBSUB_PUBDEREGACK_OPERATION_STAGE;
default:
throw new IllegalArgumentException(
"Supplied stage number not supported by interaction pattern");
}
}
}
