| /* |
| * 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.query; |
| |
| import java.io.Externalizable; |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.GridDirectCollection; |
| import org.apache.ignite.internal.GridDirectTransient; |
| import org.apache.ignite.internal.processors.cache.CacheObjectContext; |
| import org.apache.ignite.internal.processors.cache.GridCacheContext; |
| import org.apache.ignite.internal.processors.cache.GridCacheDeployable; |
| import org.apache.ignite.internal.processors.cache.GridCacheIdMessage; |
| import org.apache.ignite.internal.processors.cache.GridCacheSharedContext; |
| import org.apache.ignite.internal.processors.cache.KeyCacheObject; |
| import org.apache.ignite.internal.processors.query.GridQueryFieldMetadata; |
| import org.apache.ignite.internal.util.tostring.GridToStringInclude; |
| import org.apache.ignite.internal.util.typedef.F; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.marshaller.Marshaller; |
| 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.Nullable; |
| |
| /** |
| * Query request. |
| */ |
| public class GridCacheQueryResponse extends GridCacheIdMessage implements GridCacheDeployable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private boolean finished; |
| |
| /** */ |
| private long reqId; |
| |
| /** */ |
| @GridDirectTransient |
| private Throwable err; |
| |
| /** */ |
| private byte[] errBytes; |
| |
| /** */ |
| private boolean fields; |
| |
| /** */ |
| @GridDirectCollection(byte[].class) |
| private Collection<byte[]> metaDataBytes; |
| |
| /** */ |
| @GridToStringInclude |
| @GridDirectTransient |
| private List<GridQueryFieldMetadata> metadata; |
| |
| /** */ |
| @GridDirectCollection(byte[].class) |
| private Collection<byte[]> dataBytes; |
| |
| /** */ |
| @GridDirectTransient |
| private Collection<Object> data; |
| |
| /** |
| * Empty constructor for {@link Externalizable} |
| */ |
| public GridCacheQueryResponse() { |
| //No-op. |
| } |
| |
| /** |
| * @param cacheId Cache ID. |
| * @param reqId Request id. |
| * @param finished Last response or not. |
| * @param fields Fields query or not. |
| * @param addDepInfo Deployment info flag. |
| */ |
| public GridCacheQueryResponse(int cacheId, long reqId, boolean finished, boolean fields, boolean addDepInfo) { |
| this.cacheId = cacheId; |
| this.reqId = reqId; |
| this.finished = finished; |
| this.fields = fields; |
| this.addDepInfo = addDepInfo; |
| } |
| |
| /** |
| * @param cacheId Cache ID. |
| * @param reqId Request id. |
| * @param err Error. |
| * @param addDepInfo Deployment info flag. |
| */ |
| public GridCacheQueryResponse(int cacheId, long reqId, Throwable err, boolean addDepInfo) { |
| this.cacheId = cacheId; |
| this.reqId = reqId; |
| this.err = err; |
| this.addDepInfo = addDepInfo; |
| |
| finished = true; |
| } |
| |
| /** {@inheritDoc} |
| * @param ctx*/ |
| @Override public void prepareMarshal(GridCacheSharedContext ctx) throws IgniteCheckedException { |
| super.prepareMarshal(ctx); |
| |
| GridCacheContext cctx = ctx.cacheContext(cacheId); |
| |
| if (err != null && errBytes == null) |
| errBytes = U.marshal(ctx, err); |
| |
| if (metaDataBytes == null && metadata != null) |
| metaDataBytes = marshalCollection(metadata, cctx); |
| |
| if (dataBytes == null && data != null) |
| dataBytes = marshalCollection(data, cctx); |
| |
| if (addDepInfo && !F.isEmpty(data)) { |
| for (Object o : data) { |
| if (o instanceof Map.Entry) { |
| Map.Entry e = (Map.Entry)o; |
| |
| prepareObject(e.getKey(), cctx); |
| prepareObject(e.getValue(), cctx); |
| } |
| } |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void finishUnmarshal(GridCacheSharedContext ctx, ClassLoader ldr) throws IgniteCheckedException { |
| super.finishUnmarshal(ctx, ldr); |
| |
| if (errBytes != null && err == null) |
| err = U.unmarshal(ctx, errBytes, U.resolveClassLoader(ldr, ctx.gridConfig())); |
| |
| if (metadata == null) |
| metadata = unmarshalCollection(metaDataBytes, ctx, ldr); |
| |
| if (data == null) |
| data = unmarshalCollection0(dataBytes, ctx, ldr); |
| } |
| |
| /** |
| * @param byteCol Collection to unmarshal. |
| * @param ctx Context. |
| * @param ldr Loader. |
| * @return Unmarshalled collection. |
| * @throws IgniteCheckedException If failed. |
| */ |
| @Nullable protected <T> List<T> unmarshalCollection0(@Nullable Collection<byte[]> byteCol, |
| GridCacheSharedContext ctx, ClassLoader ldr) throws IgniteCheckedException { |
| assert ldr != null; |
| assert ctx != null; |
| |
| if (byteCol == null) |
| return null; |
| |
| List<T> col = new ArrayList<>(byteCol.size()); |
| |
| Marshaller marsh = ctx.marshaller(); |
| |
| ClassLoader ldr0 = U.resolveClassLoader(ldr, ctx.gridConfig()); |
| |
| CacheObjectContext cacheObjCtx = null; |
| |
| for (byte[] bytes : byteCol) { |
| Object obj = bytes == null ? null : marsh.<T>unmarshal(bytes, ldr0); |
| |
| if (obj instanceof Map.Entry) { |
| Object key = ((Map.Entry)obj).getKey(); |
| |
| if (key instanceof KeyCacheObject) { |
| if (cacheObjCtx == null) |
| cacheObjCtx = ctx.cacheContext(cacheId).cacheObjectContext(); |
| |
| ((KeyCacheObject)key).finishUnmarshal(cacheObjCtx, ldr0); |
| } |
| } |
| |
| col.add((T)obj); |
| } |
| |
| return col; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean addDeploymentInfo() { |
| return addDepInfo; |
| } |
| |
| /** |
| * @return Metadata. |
| */ |
| public List<GridQueryFieldMetadata> metadata() { |
| return metadata; |
| } |
| |
| /** |
| * @param metadata Metadata. |
| */ |
| public void metadata(@Nullable List<GridQueryFieldMetadata> metadata) { |
| this.metadata = metadata; |
| } |
| |
| /** |
| * @return Query data. |
| */ |
| public Collection<Object> data() { |
| return data; |
| } |
| |
| /** |
| * @param data Query data. |
| */ |
| @SuppressWarnings("unchecked") |
| public void data(Collection<?> data) { |
| this.data = (Collection<Object>)data; |
| } |
| |
| /** |
| * @return If this is last response for this request or not. |
| */ |
| public boolean isFinished() { |
| return finished; |
| } |
| |
| /** |
| * @param finished If this is last response for this request or not. |
| */ |
| public void finished(boolean finished) { |
| this.finished = finished; |
| } |
| |
| /** |
| * @return Request id. |
| */ |
| public long requestId() { |
| return reqId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Throwable error() { |
| return err; |
| } |
| |
| /** |
| * @return If fields query. |
| */ |
| public boolean fields() { |
| return fields; |
| } |
| |
| /** {@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("dataBytes", dataBytes, MessageCollectionItemType.BYTE_ARR)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 4: |
| if (!writer.writeByteArray("errBytes", errBytes)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 5: |
| if (!writer.writeBoolean("fields", fields)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 6: |
| if (!writer.writeBoolean("finished", finished)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 7: |
| if (!writer.writeCollection("metaDataBytes", metaDataBytes, MessageCollectionItemType.BYTE_ARR)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 8: |
| if (!writer.writeLong("reqId", reqId)) |
| 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: |
| dataBytes = reader.readCollection("dataBytes", MessageCollectionItemType.BYTE_ARR); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 4: |
| errBytes = reader.readByteArray("errBytes"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 5: |
| fields = reader.readBoolean("fields"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 6: |
| finished = reader.readBoolean("finished"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 7: |
| metaDataBytes = reader.readCollection("metaDataBytes", MessageCollectionItemType.BYTE_ARR); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 8: |
| reqId = reader.readLong("reqId"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(GridCacheQueryResponse.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return 59; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 9; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(GridCacheQueryResponse.class, this); |
| } |
| } |