| /* |
| * 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.ArrayList; |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| 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.GridCacheIdMessage; |
| import org.apache.ignite.internal.processors.cache.GridCacheSharedContext; |
| import org.apache.ignite.internal.processors.cache.KeyCacheObject; |
| import org.apache.ignite.internal.processors.cache.mvcc.MvccSnapshot; |
| import org.apache.ignite.internal.processors.cache.version.GridCacheVersion; |
| import org.apache.ignite.internal.processors.cache.version.GridCacheVersionable; |
| 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.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; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Get request. Responsible for obtaining entry from primary node. 'Near' means 'Initiating node' here, not 'Near Cache'. |
| */ |
| public class GridNearGetRequest extends GridCacheIdMessage implements GridCacheDeployable, |
| GridCacheVersionable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private static final int READ_THROUGH_FLAG_MASK = 0x01; |
| |
| /** */ |
| private static final int SKIP_VALS_FLAG_MASK = 0x02; |
| |
| /** */ |
| private static final int ADD_READER_FLAG_MASK = 0x04; |
| |
| /** */ |
| public static final int RECOVERY_FLAG_MASK = 0x08; |
| |
| /** Future ID. */ |
| private IgniteUuid futId; |
| |
| /** Sub ID. */ |
| private IgniteUuid miniId; |
| |
| /** Version. */ |
| private GridCacheVersion ver; |
| |
| /** */ |
| @GridToStringInclude |
| @GridDirectTransient |
| private LinkedHashMap<KeyCacheObject, Boolean> keyMap; |
| |
| /** */ |
| @GridDirectCollection(KeyCacheObject.class) |
| private List<KeyCacheObject> keys; |
| |
| /** */ |
| @GridDirectCollection(boolean.class) |
| private List<Boolean> readersFlags; |
| |
| /** */ |
| private byte flags; |
| |
| /** Topology version. */ |
| private AffinityTopologyVersion topVer; |
| |
| /** Subject ID. */ |
| private UUID subjId; |
| |
| /** Task name hash. */ |
| private int taskNameHash; |
| |
| /** TTL for read operation. */ |
| private long createTtl; |
| |
| /** TTL for read operation. */ |
| private long accessTtl; |
| |
| /** */ |
| private MvccSnapshot mvccSnapshot; |
| |
| /** |
| * Empty constructor required for {@link Externalizable}. |
| */ |
| public GridNearGetRequest() { |
| // No-op. |
| } |
| |
| /** |
| * @param cacheId Cache ID. |
| * @param futId Future ID. |
| * @param miniId Sub ID. |
| * @param ver Version. |
| * @param keys Keys. |
| * @param readThrough Read through flag. |
| * @param skipVals Skip values flag. When false, only boolean values will be returned indicating whether |
| * cache entry has a value. |
| * @param topVer Topology version. |
| * @param subjId Subject ID. |
| * @param taskNameHash Task name hash. |
| * @param createTtl New TTL to set after entry is created, -1 to leave unchanged. |
| * @param accessTtl New TTL to set after entry is accessed, -1 to leave unchanged. |
| * @param addDepInfo Deployment info. |
| * @param mvccSnapshot Mvcc snapshot. |
| */ |
| public GridNearGetRequest( |
| int cacheId, |
| IgniteUuid futId, |
| IgniteUuid miniId, |
| GridCacheVersion ver, |
| Map<KeyCacheObject, Boolean> keys, |
| boolean readThrough, |
| @NotNull AffinityTopologyVersion topVer, |
| UUID subjId, |
| int taskNameHash, |
| long createTtl, |
| long accessTtl, |
| boolean addReader, |
| boolean skipVals, |
| boolean addDepInfo, |
| boolean recovery, |
| @Nullable MvccSnapshot mvccSnapshot |
| ) { |
| assert futId != null; |
| assert miniId != null; |
| assert keys != null; |
| |
| this.cacheId = cacheId; |
| this.futId = futId; |
| this.miniId = miniId; |
| this.ver = ver; |
| |
| this.keys = new ArrayList<>(keys.size()); |
| |
| if (addReader) |
| readersFlags = new ArrayList<>(keys.size()); |
| |
| for (Map.Entry<KeyCacheObject, Boolean> entry : keys.entrySet()) { |
| this.keys.add(entry.getKey()); |
| |
| if (addReader) |
| readersFlags.add(entry.getValue()); |
| } |
| |
| this.topVer = topVer; |
| this.subjId = subjId; |
| this.taskNameHash = taskNameHash; |
| this.createTtl = createTtl; |
| this.accessTtl = accessTtl; |
| this.addDepInfo = addDepInfo; |
| this.mvccSnapshot = mvccSnapshot; |
| |
| if (readThrough) |
| flags |= READ_THROUGH_FLAG_MASK; |
| |
| if (skipVals) |
| flags |= SKIP_VALS_FLAG_MASK; |
| |
| if (addReader) |
| flags |= ADD_READER_FLAG_MASK; |
| |
| if (recovery) |
| flags |= RECOVERY_FLAG_MASK; |
| } |
| |
| /** |
| * @return Mvcc version. |
| */ |
| @Nullable public MvccSnapshot mvccSnapshot() { |
| return mvccSnapshot; |
| } |
| |
| /** |
| * @return Future ID. |
| */ |
| public IgniteUuid futureId() { |
| return futId; |
| } |
| |
| /** |
| * @return Sub ID. |
| */ |
| public IgniteUuid miniId() { |
| return miniId; |
| } |
| |
| /** |
| * @return Subject ID. |
| */ |
| public UUID subjectId() { |
| return subjId; |
| } |
| |
| /** |
| * Gets task name hash. |
| * |
| * @return Task name hash. |
| */ |
| public int taskNameHash() { |
| return taskNameHash; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public GridCacheVersion version() { |
| return ver; |
| } |
| |
| /** |
| * @return Keys |
| */ |
| public LinkedHashMap<KeyCacheObject, Boolean> keys() { |
| return keyMap; |
| } |
| |
| /** |
| * @return Read through flag. |
| */ |
| public boolean readThrough() { |
| return (flags & READ_THROUGH_FLAG_MASK) != 0; |
| } |
| |
| /** |
| * @return Skip values flag. If true, boolean values indicating whether cache entry has a value will be |
| * returned as future result. |
| */ |
| public boolean skipValues() { |
| return (flags & SKIP_VALS_FLAG_MASK) != 0; |
| } |
| |
| /** |
| * @return Recovery flag. |
| */ |
| public boolean recovery() { |
| return (flags & RECOVERY_FLAG_MASK) != 0; |
| } |
| |
| public boolean addReaders() { |
| return (flags & ADD_READER_FLAG_MASK) != 0; |
| } |
| |
| /** |
| * @return Topology version. |
| */ |
| @Override public AffinityTopologyVersion topologyVersion() { |
| return topVer; |
| } |
| |
| /** |
| * @return New TTL to set after entry is created, -1 to leave unchanged. |
| */ |
| public long createTtl() { |
| return createTtl; |
| } |
| |
| /** |
| * @return New TTL to set after entry is accessed, -1 to leave unchanged. |
| */ |
| public long accessTtl() { |
| return accessTtl; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int partition() { |
| return keys != null && !keys.isEmpty() ? keys.get(0).partition() : -1; |
| } |
| |
| /** |
| * @param ctx Cache context. |
| * @throws IgniteCheckedException If failed. |
| */ |
| @Override public void prepareMarshal(GridCacheSharedContext ctx) throws IgniteCheckedException { |
| super.prepareMarshal(ctx); |
| |
| assert ctx != null; |
| assert !F.isEmpty(keys); |
| assert readersFlags == null || keys.size() == readersFlags.size(); |
| |
| GridCacheContext cctx = ctx.cacheContext(cacheId); |
| |
| prepareMarshalCacheObjects(keys, cctx); |
| } |
| |
| /** |
| * @param ctx Context. |
| * @param ldr Loader. |
| * @throws IgniteCheckedException If failed. |
| */ |
| @Override public void finishUnmarshal(GridCacheSharedContext ctx, ClassLoader ldr) throws IgniteCheckedException { |
| super.finishUnmarshal(ctx, ldr); |
| |
| GridCacheContext cctx = ctx.cacheContext(cacheId); |
| |
| finishUnmarshalCacheObjects(keys, cctx, ldr); |
| |
| assert !F.isEmpty(keys); |
| assert readersFlags == null || keys.size() == readersFlags.size(); |
| |
| if (keyMap == null) { |
| keyMap = U.newLinkedHashMap(keys.size()); |
| |
| Iterator<KeyCacheObject> keysIt = keys.iterator(); |
| |
| for (int i = 0; i < keys.size(); i++) { |
| Boolean addRdr = readersFlags != null ? readersFlags.get(i) : Boolean.FALSE; |
| |
| keyMap.put(keysIt.next(), addRdr); |
| } |
| } |
| } |
| |
| /** {@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.writeLong("accessTtl", accessTtl)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 4: |
| if (!writer.writeLong("createTtl", createTtl)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 5: |
| if (!writer.writeByte("flags", flags)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 6: |
| if (!writer.writeIgniteUuid("futId", futId)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 7: |
| if (!writer.writeCollection("keys", keys, MessageCollectionItemType.MSG)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 8: |
| if (!writer.writeIgniteUuid("miniId", miniId)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 9: |
| if (!writer.writeCollection("readersFlags", readersFlags, MessageCollectionItemType.BOOLEAN)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 10: |
| if (!writer.writeUuid("subjId", subjId)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 11: |
| if (!writer.writeInt("taskNameHash", taskNameHash)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 12: |
| if (!writer.writeMessage("topVer", topVer)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 13: |
| if (!writer.writeMessage("ver", ver)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 14: |
| if (!writer.writeMessage("mvccSnapshot", mvccSnapshot)) |
| 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: |
| accessTtl = reader.readLong("accessTtl"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 4: |
| createTtl = reader.readLong("createTtl"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 5: |
| flags = reader.readByte("flags"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 6: |
| futId = reader.readIgniteUuid("futId"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 7: |
| keys = reader.readCollection("keys", MessageCollectionItemType.MSG); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 8: |
| miniId = reader.readIgniteUuid("miniId"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 9: |
| readersFlags = reader.readCollection("readersFlags", MessageCollectionItemType.BOOLEAN); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 10: |
| subjId = reader.readUuid("subjId"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 11: |
| taskNameHash = reader.readInt("taskNameHash"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 12: |
| topVer = reader.readMessage("topVer"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 13: |
| ver = reader.readMessage("ver"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 14: |
| mvccSnapshot = reader.readMessage("mvccSnapshot"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(GridNearGetRequest.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return 49; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 15; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(GridNearGetRequest.class, this); |
| } |
| } |