/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.ignite.internal.managers.deployment;
import java.io.Externalizable;
import java.nio.ByteBuffer;
import java.util.Collection;
import java.util.UUID;
import org.apache.ignite.internal.GridDirectCollection;
import org.apache.ignite.internal.GridDirectTransient;
import org.apache.ignite.internal.util.tostring.GridToStringInclude;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.lang.IgniteUuid;
import org.apache.ignite.plugin.extensions.communication.Message;
import org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType;
import org.apache.ignite.plugin.extensions.communication.MessageReader;
import org.apache.ignite.plugin.extensions.communication.MessageWriter;
/**
* Deployment request.
*/
public class GridDeploymentRequest implements Message {
/** */
private static final long serialVersionUID = 0L;
/** Response topic. Response should be sent back to this topic. */
@GridDirectTransient
private Object resTopic;
/** Serialized topic. */
private byte[] resTopicBytes;
/** Requested class name. */
private String rsrcName;
/** Class loader ID. */
private IgniteUuid ldrId;
/** Undeploy flag. */
private boolean isUndeploy;
/** Nodes participating in request (chain). */
@GridToStringInclude
@GridDirectCollection(UUID.class)
private Collection<UUID> nodeIds;
/**
* No-op constructor to support {@link Externalizable} interface.
* This constructor is not meant to be used for other purposes.
*/
public GridDeploymentRequest() {
// No-op.
}
/**
* Creates new request.
*
* @param resTopic Response topic.
* @param ldrId Class loader ID.
* @param rsrcName Resource name that should be found and sent back.
* @param isUndeploy Undeploy property.
*/
GridDeploymentRequest(Object resTopic, IgniteUuid ldrId, String rsrcName, boolean isUndeploy) {
assert isUndeploy || resTopic != null;
assert isUndeploy || ldrId != null;
assert rsrcName != null;
this.resTopic = resTopic;
this.ldrId = ldrId;
this.rsrcName = rsrcName;
this.isUndeploy = isUndeploy;
}
/**
* Get topic response should be sent to.
*
* @return Response topic name.
*/
Object responseTopic() {
return resTopic;
}
/**
* @param resTopic Response topic.
*/
void responseTopic(Object resTopic) {
this.resTopic = resTopic;
}
/**
* @return Serialized topic.
*/
byte[] responseTopicBytes() {
return resTopicBytes;
}
/**
* @param resTopicBytes Serialized topic.
*/
void responseTopicBytes(byte[] resTopicBytes) {
this.resTopicBytes = resTopicBytes;
}
/**
* Class name/resource name that is being requested.
*
* @return Resource or class name.
*/
String resourceName() {
return rsrcName;
}
/**
* Gets property ldrId.
*
* @return Property ldrId.
*/
IgniteUuid classLoaderId() {
return ldrId;
}
/**
* Gets property undeploy.
*
* @return Property undeploy.
*/
boolean isUndeploy() {
return isUndeploy;
}
/**
* @return Node IDs chain which is updated as request jumps
* from node to node.
*/
public Collection<UUID> nodeIds() {
return nodeIds;
}
/**
* @param nodeIds Node IDs chain which is updated as request jumps
* from node to node.
*/
public void nodeIds(Collection<UUID> nodeIds) {
this.nodeIds = nodeIds;
}
/** {@inheritDoc} */
@Override public void onAckReceived() {
// No-op.
}
/** {@inheritDoc} */
@Override public boolean writeTo(ByteBuffer buf, MessageWriter writer) {
writer.setBuffer(buf);
if (!writer.isHeaderWritten()) {
if (!writer.writeHeader(directType(), fieldsCount()))
return false;
writer.onHeaderWritten();
}
switch (writer.state()) {
case 0:
if (!writer.writeBoolean("isUndeploy", isUndeploy))
return false;
writer.incrementState();
case 1:
if (!writer.writeIgniteUuid("ldrId", ldrId))
return false;
writer.incrementState();
case 2:
if (!writer.writeCollection("nodeIds", nodeIds, MessageCollectionItemType.UUID))
return false;
writer.incrementState();
case 3:
if (!writer.writeByteArray("resTopicBytes", resTopicBytes))
return false;
writer.incrementState();
case 4:
if (!writer.writeString("rsrcName", rsrcName))
return false;
writer.incrementState();
}
return true;
}
/** {@inheritDoc} */
@Override public boolean readFrom(ByteBuffer buf, MessageReader reader) {
reader.setBuffer(buf);
if (!reader.beforeMessageRead())
return false;
switch (reader.state()) {
case 0:
isUndeploy = reader.readBoolean("isUndeploy");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 1:
ldrId = reader.readIgniteUuid("ldrId");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 2:
nodeIds = reader.readCollection("nodeIds", MessageCollectionItemType.UUID);
if (!reader.isLastRead())
return false;
reader.incrementState();
case 3:
resTopicBytes = reader.readByteArray("resTopicBytes");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 4:
rsrcName = reader.readString("rsrcName");
if (!reader.isLastRead())
return false;
reader.incrementState();
}
return reader.afterMessageRead(GridDeploymentRequest.class);
}
/** {@inheritDoc} */
@Override public short directType() {
return 11;
}
/** {@inheritDoc} */
@Override public byte fieldsCount() {
return 5;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(GridDeploymentRequest.class, this);
}
}