/*
* 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.processors.cache.distributed.dht.preloader;
import java.io.Externalizable;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.internal.GridDirectCollection;
import org.apache.ignite.internal.GridDirectTransient;
import org.apache.ignite.internal.processors.cache.GridCacheContext;
import org.apache.ignite.internal.processors.cache.GridCacheDeployable;
import org.apache.ignite.internal.processors.cache.GridCacheEntryInfo;
import org.apache.ignite.internal.processors.cache.GridCacheMessage;
import org.apache.ignite.internal.processors.cache.GridCacheSharedContext;
import org.apache.ignite.internal.processors.cache.KeyCacheObject;
import org.apache.ignite.internal.util.tostring.GridToStringInclude;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.lang.IgniteUuid;
import org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType;
import org.apache.ignite.plugin.extensions.communication.MessageReader;
import org.apache.ignite.plugin.extensions.communication.MessageWriter;
/**
* Force keys response. Contains absent keys.
*/
public class GridDhtForceKeysResponse extends GridCacheMessage implements GridCacheDeployable {
/** */
private static final long serialVersionUID = 0L;
/** Future ID. */
private IgniteUuid futId;
/** Mini-future ID. */
private IgniteUuid miniId;
/** Error. */
@GridDirectTransient
private volatile IgniteCheckedException err;
/** Serialized error. */
private byte[] errBytes;
/** Missed (not found) keys. */
@GridToStringInclude
@GridDirectCollection(KeyCacheObject.class)
private List<KeyCacheObject> missedKeys;
/** Cache entries. */
@GridToStringInclude
@GridDirectCollection(GridCacheEntryInfo.class)
private List<GridCacheEntryInfo> infos;
/**
* Required by {@link Externalizable}.
*/
public GridDhtForceKeysResponse() {
// No-op.
}
/**
* @param cacheId Cache ID.
* @param futId Request id.
* @param miniId Mini-future ID.
* @param addDepInfo Deployment info flag.
*/
public GridDhtForceKeysResponse(int cacheId, IgniteUuid futId, IgniteUuid miniId, boolean addDepInfo) {
assert futId != null;
assert miniId != null;
this.cacheId = cacheId;
this.futId = futId;
this.miniId = miniId;
this.addDepInfo = addDepInfo;
}
/**
* Sets error.
* @param err Error.
*/
public void error(IgniteCheckedException err){
this.err = err;
}
/** {@inheritDoc} */
@Override public IgniteCheckedException error() {
return err;
}
/**
* @return Keys.
*/
public Collection<KeyCacheObject> missedKeys() {
return missedKeys == null ? Collections.<KeyCacheObject>emptyList() : missedKeys;
}
/**
* @return Forced entries.
*/
public Collection<GridCacheEntryInfo> forcedInfos() {
return infos == null ? Collections.<GridCacheEntryInfo>emptyList() : infos;
}
/**
* @return Future ID.
*/
public IgniteUuid futureId() {
return futId;
}
/**
* @return Mini-future ID.
*/
public IgniteUuid miniId() {
return miniId;
}
/**
* @param key Key.
*/
public void addMissed(KeyCacheObject key) {
if (missedKeys == null)
missedKeys = new ArrayList<>();
missedKeys.add(key);
}
/**
* @param info Entry info to add.
*/
public void addInfo(GridCacheEntryInfo info) {
assert info != null;
if (infos == null)
infos = new ArrayList<>();
infos.add(info);
}
/** {@inheritDoc}
* @param ctx*/
@Override public void prepareMarshal(GridCacheSharedContext ctx) throws IgniteCheckedException {
super.prepareMarshal(ctx);
GridCacheContext cctx = ctx.cacheContext(cacheId);
if (missedKeys != null)
prepareMarshalCacheObjects(missedKeys, cctx);
if (infos != null) {
for (GridCacheEntryInfo info : infos)
info.marshal(cctx);
}
if (err != null && errBytes == null)
errBytes = U.marshal(ctx, err);
}
/** {@inheritDoc} */
@Override public void finishUnmarshal(GridCacheSharedContext ctx, ClassLoader ldr) throws IgniteCheckedException {
super.finishUnmarshal(ctx, ldr);
GridCacheContext cctx = ctx.cacheContext(cacheId);
if (missedKeys != null)
finishUnmarshalCacheObjects(missedKeys, cctx, ldr);
if (infos != null) {
for (GridCacheEntryInfo info : infos)
info.unmarshal(cctx, ldr);
}
if (errBytes != null && err == null)
err = U.unmarshal(ctx, errBytes, U.resolveClassLoader(ldr, ctx.gridConfig()));
}
/** {@inheritDoc} */
@Override public boolean addDeploymentInfo() {
return addDepInfo;
}
/** {@inheritDoc} */
@Override public boolean writeTo(ByteBuffer buf, MessageWriter writer) {
writer.setBuffer(buf);
if (!super.writeTo(buf, writer))
return false;
if (!writer.isHeaderWritten()) {
if (!writer.writeHeader(directType(), fieldsCount()))
return false;
writer.onHeaderWritten();
}
switch (writer.state()) {
case 3:
if (!writer.writeByteArray("errBytes", errBytes))
return false;
writer.incrementState();
case 4:
if (!writer.writeIgniteUuid("futId", futId))
return false;
writer.incrementState();
case 5:
if (!writer.writeCollection("infos", infos, MessageCollectionItemType.MSG))
return false;
writer.incrementState();
case 6:
if (!writer.writeIgniteUuid("miniId", miniId))
return false;
writer.incrementState();
case 7:
if (!writer.writeCollection("missedKeys", missedKeys, MessageCollectionItemType.MSG))
return false;
writer.incrementState();
}
return true;
}
/** {@inheritDoc} */
@Override public boolean readFrom(ByteBuffer buf, MessageReader reader) {
reader.setBuffer(buf);
if (!reader.beforeMessageRead())
return false;
if (!super.readFrom(buf, reader))
return false;
switch (reader.state()) {
case 3:
errBytes = reader.readByteArray("errBytes");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 4:
futId = reader.readIgniteUuid("futId");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 5:
infos = reader.readCollection("infos", MessageCollectionItemType.MSG);
if (!reader.isLastRead())
return false;
reader.incrementState();
case 6:
miniId = reader.readIgniteUuid("miniId");
if (!reader.isLastRead())
return false;
reader.incrementState();
case 7:
missedKeys = reader.readCollection("missedKeys", MessageCollectionItemType.MSG);
if (!reader.isLastRead())
return false;
reader.incrementState();
}
return reader.afterMessageRead(GridDhtForceKeysResponse.class);
}
/** {@inheritDoc} */
@Override public short directType() {
return 43;
}
/** {@inheritDoc} */
@Override public byte fieldsCount() {
return 8;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(GridDhtForceKeysResponse.class, this, super.toString());
}
}