modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/near/GridNearGetResponse.java - ignite - Git at Google

 /*
  * 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.near;

 import java.io.Externalizable;
 import java.nio.ByteBuffer;
 import java.util.Collection;
 import java.util.Collections;
 import org.apache.ignite.IgniteCheckedException;
 import org.apache.ignite.internal.GridDirectCollection;
 import org.apache.ignite.internal.GridDirectTransient;
 import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion;
 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.GridCacheIdMessage;
 import org.apache.ignite.internal.processors.cache.GridCacheSharedContext;
 import org.apache.ignite.internal.processors.cache.version.GridCacheVersion;
 import org.apache.ignite.internal.processors.cache.version.GridCacheVersionable;
 import org.apache.ignite.internal.util.GridLeanSet;
 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;
 import org.jetbrains.annotations.NotNull;

 /**
  * Get response.
  */
 public class GridNearGetResponse extends GridCacheIdMessage implements GridCacheDeployable,
     GridCacheVersionable {
     /** */
     private static final long serialVersionUID = 0L;

     /** Future ID. */
     private IgniteUuid futId;

     /** Sub ID. */
     private IgniteUuid miniId;

     /** Version. */
     private GridCacheVersion ver;

     /** Result. */
     @GridToStringInclude
     @GridDirectCollection(GridCacheEntryInfo.class)
     private Collection<GridCacheEntryInfo> entries;

     /** Keys to retry due to ownership shift. */
     @GridToStringInclude
     @GridDirectCollection(int.class)
     private Collection<Integer> invalidParts = new GridLeanSet<>();

     /** Topology version if invalid partitions is not empty. */
     private AffinityTopologyVersion topVer;

     /** Error. */
     @GridDirectTransient
     private IgniteCheckedException err;

     /** Serialized error. */
     private byte[] errBytes;

     /**
      * Empty constructor required for {@link Externalizable}.
      */
     public GridNearGetResponse() {
         // No-op.
     }

     /**
      * @param cacheId Cache ID.
      * @param futId Future ID.
      * @param miniId Sub ID.
      * @param ver Version.
      * @param addDepInfo Deployment info.
      */
     public GridNearGetResponse(
         int cacheId,
         IgniteUuid futId,
         IgniteUuid miniId,
         GridCacheVersion ver,
         boolean addDepInfo
     ) {
         assert futId != null;

         this.cacheId = cacheId;
         this.futId = futId;
         this.miniId = miniId;
         this.ver = ver;
         this.addDepInfo = addDepInfo;
     }

     /**
      * @return Future ID.
      */
     public IgniteUuid futureId() {
         return futId;
     }

     /**
      * @return Sub ID.
      */
     public IgniteUuid miniId() {
         return miniId;
     }

     /** {@inheritDoc} */
     @Override public GridCacheVersion version() {
         return ver;
     }

     /**
      * @return Entries.
      */
     public Collection<GridCacheEntryInfo> entries() {
         return entries != null ? entries : Collections.<GridCacheEntryInfo>emptyList();
     }

     /**
      * @param entries Entries.
      */
     public void entries(Collection<GridCacheEntryInfo> entries) {
         this.entries = entries;
     }

     /**
      * @return Failed filter set.
      */
     public Collection<Integer> invalidPartitions() {
         return invalidParts;
     }

     /**
      * @param invalidParts Partitions to retry due to ownership shift.
      * @param topVer Topology version.
      */
     public void invalidPartitions(Collection<Integer> invalidParts, @NotNull AffinityTopologyVersion topVer) {
         this.invalidParts = invalidParts;
         this.topVer = topVer;
     }

     /**
      * @return Topology version if this response has invalid partitions.
      */
     @Override public AffinityTopologyVersion topologyVersion() {
         return topVer != null ? topVer : super.topologyVersion();
     }

     /** {@inheritDoc} */
     @Override public IgniteCheckedException error() {
         return err;
     }

     /**
      * @param err Error.
      */
     public void error(IgniteCheckedException err) {
         this.err = err;
     }

     /** {@inheritDoc}
      * @param ctx*/
     @Override public void prepareMarshal(GridCacheSharedContext ctx) throws IgniteCheckedException {
         super.prepareMarshal(ctx);

         GridCacheContext cctx = ctx.cacheContext(cacheId);

         if (entries != null) {
             for (GridCacheEntryInfo info : entries)
                 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 (entries != null) {
             for (GridCacheEntryInfo info : entries)
                 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.writeCollection("entries", entries, MessageCollectionItemType.MSG))
                     return false;

                 writer.incrementState();

             case 4:
                 if (!writer.writeByteArray("errBytes", errBytes))
                     return false;

                 writer.incrementState();

             case 5:
                 if (!writer.writeIgniteUuid("futId", futId))
                     return false;

                 writer.incrementState();

             case 6:
                 if (!writer.writeCollection("invalidParts", invalidParts, MessageCollectionItemType.INT))
                     return false;

                 writer.incrementState();

             case 7:
                 if (!writer.writeIgniteUuid("miniId", miniId))
                     return false;

                 writer.incrementState();

             case 8:
                 if (!writer.writeMessage("topVer", topVer))
                     return false;

                 writer.incrementState();

             case 9:
                 if (!writer.writeMessage("ver", ver))
                     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:
                 entries = reader.readCollection("entries", MessageCollectionItemType.MSG);

                 if (!reader.isLastRead())
                     return false;

                 reader.incrementState();

             case 4:
                 errBytes = reader.readByteArray("errBytes");

                 if (!reader.isLastRead())
                     return false;

                 reader.incrementState();

             case 5:
                 futId = reader.readIgniteUuid("futId");

                 if (!reader.isLastRead())
                     return false;

                 reader.incrementState();

             case 6:
                 invalidParts = reader.readCollection("invalidParts", MessageCollectionItemType.INT);

                 if (!reader.isLastRead())
                     return false;

                 reader.incrementState();

             case 7:
                 miniId = reader.readIgniteUuid("miniId");

                 if (!reader.isLastRead())
                     return false;

                 reader.incrementState();

             case 8:
                 topVer = reader.readMessage("topVer");

                 if (!reader.isLastRead())
                     return false;

                 reader.incrementState();

             case 9:
                 ver = reader.readMessage("ver");

                 if (!reader.isLastRead())
                     return false;

                 reader.incrementState();

         }

         return reader.afterMessageRead(GridNearGetResponse.class);
     }

     /** {@inheritDoc} */
     @Override public short directType() {
         return 50;
     }

     /** {@inheritDoc} */
     @Override public byte fieldsCount() {
         return 10;
     }

     /** {@inheritDoc} */
     @Override public String toString() {
         return S.toString(GridNearGetResponse.class, this);
     }
 }
	/*
	* 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.near;

	import java.io.Externalizable;
	import java.nio.ByteBuffer;
	import java.util.Collection;
	import java.util.Collections;
	import org.apache.ignite.IgniteCheckedException;
	import org.apache.ignite.internal.GridDirectCollection;
	import org.apache.ignite.internal.GridDirectTransient;
	import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion;
	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.GridCacheIdMessage;
	import org.apache.ignite.internal.processors.cache.GridCacheSharedContext;
	import org.apache.ignite.internal.processors.cache.version.GridCacheVersion;
	import org.apache.ignite.internal.processors.cache.version.GridCacheVersionable;
	import org.apache.ignite.internal.util.GridLeanSet;
	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;
	import org.jetbrains.annotations.NotNull;

	/**
	* Get response.
	*/
	public class GridNearGetResponse extends GridCacheIdMessage implements GridCacheDeployable,
	GridCacheVersionable {
	/** */
	private static final long serialVersionUID = 0L;

	/** Future ID. */
	private IgniteUuid futId;

	/** Sub ID. */
	private IgniteUuid miniId;

	/** Version. */
	private GridCacheVersion ver;

	/** Result. */
	@GridToStringInclude
	@GridDirectCollection(GridCacheEntryInfo.class)
	private Collection<GridCacheEntryInfo> entries;

	/** Keys to retry due to ownership shift. */
	@GridToStringInclude
	@GridDirectCollection(int.class)
	private Collection<Integer> invalidParts = new GridLeanSet<>();

	/** Topology version if invalid partitions is not empty. */
	private AffinityTopologyVersion topVer;

	/** Error. */
	@GridDirectTransient
	private IgniteCheckedException err;

	/** Serialized error. */
	private byte[] errBytes;

	/**
	* Empty constructor required for {@link Externalizable}.
	*/
	public GridNearGetResponse() {
	// No-op.
	}

	/**
	* @param cacheId Cache ID.
	* @param futId Future ID.
	* @param miniId Sub ID.
	* @param ver Version.
	* @param addDepInfo Deployment info.
	*/
	public GridNearGetResponse(
	int cacheId,
	IgniteUuid futId,
	IgniteUuid miniId,
	GridCacheVersion ver,
	boolean addDepInfo
	) {
	assert futId != null;

	this.cacheId = cacheId;
	this.futId = futId;
	this.miniId = miniId;
	this.ver = ver;
	this.addDepInfo = addDepInfo;
	}

	/**
	* @return Future ID.
	*/
	public IgniteUuid futureId() {
	return futId;
	}

	/**
	* @return Sub ID.
	*/
	public IgniteUuid miniId() {
	return miniId;
	}

	/** {@inheritDoc} */
	@Override public GridCacheVersion version() {
	return ver;
	}

	/**
	* @return Entries.
	*/
	public Collection<GridCacheEntryInfo> entries() {
	return entries != null ? entries : Collections.<GridCacheEntryInfo>emptyList();
	}

	/**
	* @param entries Entries.
	*/
	public void entries(Collection<GridCacheEntryInfo> entries) {
	this.entries = entries;
	}

	/**
	* @return Failed filter set.
	*/
	public Collection<Integer> invalidPartitions() {
	return invalidParts;
	}

	/**
	* @param invalidParts Partitions to retry due to ownership shift.
	* @param topVer Topology version.
	*/
	public void invalidPartitions(Collection<Integer> invalidParts, @NotNull AffinityTopologyVersion topVer) {
	this.invalidParts = invalidParts;
	this.topVer = topVer;
	}

	/**
	* @return Topology version if this response has invalid partitions.
	*/
	@Override public AffinityTopologyVersion topologyVersion() {
	return topVer != null ? topVer : super.topologyVersion();
	}

	/** {@inheritDoc} */
	@Override public IgniteCheckedException error() {
	return err;
	}

	/**
	* @param err Error.
	*/
	public void error(IgniteCheckedException err) {
	this.err = err;
	}

	/** {@inheritDoc}
	* @param ctx*/
	@Override public void prepareMarshal(GridCacheSharedContext ctx) throws IgniteCheckedException {
	super.prepareMarshal(ctx);

	GridCacheContext cctx = ctx.cacheContext(cacheId);

	if (entries != null) {
	for (GridCacheEntryInfo info : entries)
	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 (entries != null) {
	for (GridCacheEntryInfo info : entries)
	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.writeCollection("entries", entries, MessageCollectionItemType.MSG))
	return false;

	writer.incrementState();

	case 4:
	if (!writer.writeByteArray("errBytes", errBytes))
	return false;

	writer.incrementState();

	case 5:
	if (!writer.writeIgniteUuid("futId", futId))
	return false;

	writer.incrementState();

	case 6:
	if (!writer.writeCollection("invalidParts", invalidParts, MessageCollectionItemType.INT))
	return false;

	writer.incrementState();

	case 7:
	if (!writer.writeIgniteUuid("miniId", miniId))
	return false;

	writer.incrementState();

	case 8:
	if (!writer.writeMessage("topVer", topVer))
	return false;

	writer.incrementState();

	case 9:
	if (!writer.writeMessage("ver", ver))
	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:
	entries = reader.readCollection("entries", MessageCollectionItemType.MSG);

	if (!reader.isLastRead())
	return false;

	reader.incrementState();

	case 4:
	errBytes = reader.readByteArray("errBytes");

	if (!reader.isLastRead())
	return false;

	reader.incrementState();

	case 5:
	futId = reader.readIgniteUuid("futId");

	if (!reader.isLastRead())
	return false;

	reader.incrementState();

	case 6:
	invalidParts = reader.readCollection("invalidParts", MessageCollectionItemType.INT);

	if (!reader.isLastRead())
	return false;

	reader.incrementState();

	case 7:
	miniId = reader.readIgniteUuid("miniId");

	if (!reader.isLastRead())
	return false;

	reader.incrementState();

	case 8:
	topVer = reader.readMessage("topVer");

	if (!reader.isLastRead())
	return false;

	reader.incrementState();

	case 9:
	ver = reader.readMessage("ver");

	if (!reader.isLastRead())
	return false;

	reader.incrementState();

	}

	return reader.afterMessageRead(GridNearGetResponse.class);
	}

	/** {@inheritDoc} */
	@Override public short directType() {
	return 50;
	}

	/** {@inheritDoc} */
	@Override public byte fieldsCount() {
	return 10;
	}

	/** {@inheritDoc} */
	@Override public String toString() {
	return S.toString(GridNearGetResponse.class, this);
	}
	}