| /* |
| * 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.transactions; |
| |
| import java.nio.ByteBuffer; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.GridDirectTransient; |
| import org.apache.ignite.internal.processors.cache.GridCacheMessage; |
| import org.apache.ignite.internal.processors.cache.GridCacheSharedContext; |
| import org.apache.ignite.internal.util.tostring.GridToStringExclude; |
| 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.plugin.extensions.communication.MessageCollectionItemType; |
| import org.apache.ignite.plugin.extensions.communication.MessageReader; |
| import org.apache.ignite.plugin.extensions.communication.MessageWriter; |
| |
| /** |
| * Transactions lock list response. |
| */ |
| public class TxLocksResponse extends GridCacheMessage { |
| /** Serial version UID. */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Future ID. */ |
| private long futId; |
| |
| /** Locks for near txKeys of near transactions. */ |
| @GridToStringInclude |
| @GridDirectTransient |
| private Map<IgniteTxKey, TxLockList> nearTxKeyLocks = new HashMap<>(); |
| |
| /** Remote keys involved into transactions. Doesn't include near keys. */ |
| @GridToStringInclude |
| @GridDirectTransient |
| private Set<IgniteTxKey> txKeys; |
| |
| /** Array of txKeys from {@link #nearTxKeyLocks}. Used during marshalling and unmarshalling. */ |
| @GridToStringExclude |
| private IgniteTxKey[] nearTxKeysArr; |
| |
| /** Array of txKeys from {@link #txKeys}. Used during marshalling and unmarshalling. */ |
| @GridToStringExclude |
| private IgniteTxKey[] txKeysArr; |
| |
| /** Array of locksArr from {@link #nearTxKeyLocks}. Used during marshalling and unmarshalling. */ |
| @GridToStringExclude |
| private TxLockList[] locksArr; |
| |
| /** |
| * Default constructor. |
| */ |
| public TxLocksResponse() { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int handlerId() { |
| return 0; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean cacheGroupMessage() { |
| return false; |
| } |
| |
| /** |
| * @return Future ID. |
| */ |
| public long futureId() { |
| return futId; |
| } |
| |
| /** |
| * @param futId Future ID. |
| */ |
| public void futureId(long futId) { |
| this.futId = futId; |
| } |
| |
| /** |
| * @return Lock lists for all tx nearTxKeysArr. |
| */ |
| public Map<IgniteTxKey, TxLockList> txLocks() { |
| return nearTxKeyLocks; |
| } |
| |
| /** |
| * @param txKey Tx key. |
| * @return Lock list for given tx key. |
| */ |
| public TxLockList txLocks(IgniteTxKey txKey) { |
| return nearTxKeyLocks.get(txKey); |
| } |
| |
| /** |
| * @param txKey Tx key. |
| * @param txLock Tx lock. |
| */ |
| public void addTxLock(IgniteTxKey txKey, TxLock txLock) { |
| TxLockList lockList = nearTxKeyLocks.get(txKey); |
| |
| if (lockList == null) |
| nearTxKeyLocks.put(txKey, lockList = new TxLockList()); |
| |
| lockList.add(txLock); |
| } |
| |
| /** |
| * @return Remote txKeys involved into tx. |
| */ |
| public Set<IgniteTxKey> keys() { |
| return txKeys; |
| } |
| |
| /** |
| * @param key Key. |
| */ |
| public void addKey(IgniteTxKey key) { |
| if (txKeys == null) |
| txKeys = new HashSet<>(); |
| |
| txKeys.add(key); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean addDeploymentInfo() { |
| return addDepInfo; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(TxLocksResponse.class, this); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void prepareMarshal(GridCacheSharedContext ctx) throws IgniteCheckedException { |
| super.prepareMarshal(ctx); |
| |
| if (nearTxKeyLocks != null && !nearTxKeyLocks.isEmpty()) { |
| int len = nearTxKeyLocks.size(); |
| |
| nearTxKeysArr = new IgniteTxKey[len]; |
| locksArr = new TxLockList[len]; |
| |
| int i = 0; |
| |
| for (Map.Entry<IgniteTxKey, TxLockList> entry : nearTxKeyLocks.entrySet()) { |
| IgniteTxKey key = entry.getKey(); |
| |
| key.prepareMarshal(ctx.cacheContext(key.cacheId())); |
| |
| nearTxKeysArr[i] = key; |
| locksArr[i] = entry.getValue(); |
| |
| i++; |
| } |
| } |
| |
| if (txKeys != null && !txKeys.isEmpty()) { |
| txKeysArr = new IgniteTxKey[txKeys.size()]; |
| |
| int i = 0; |
| |
| for (IgniteTxKey key : txKeys) { |
| key.prepareMarshal(ctx.cacheContext(key.cacheId())); |
| |
| txKeysArr[i++] = key; |
| } |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void finishUnmarshal(GridCacheSharedContext ctx, ClassLoader ldr) throws IgniteCheckedException { |
| try { |
| super.finishUnmarshal(ctx, ldr); |
| |
| if (nearTxKeysArr != null) { |
| for (int i = 0; i < nearTxKeysArr.length; i++) { |
| IgniteTxKey txKey = nearTxKeysArr[i]; |
| |
| txKey.key().finishUnmarshal(ctx.cacheObjectContext(txKey.cacheId()), ldr); |
| |
| txLocks().put(txKey, locksArr[i]); |
| } |
| |
| nearTxKeysArr = null; |
| locksArr = null; |
| } |
| |
| if (txKeysArr != null) { |
| txKeys = U.newHashSet(txKeysArr.length); |
| |
| for (IgniteTxKey txKey : txKeysArr) { |
| txKey.key().finishUnmarshal(ctx.cacheObjectContext(txKey.cacheId()), ldr); |
| |
| txKeys.add(txKey); |
| } |
| |
| txKeysArr = null; |
| } |
| } |
| catch (Exception e) { |
| throw new IgniteCheckedException(e); |
| } |
| } |
| |
| /** {@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("futId", futId)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 4: |
| if (!writer.writeObjectArray("locksArr", locksArr, MessageCollectionItemType.MSG)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 5: |
| if (!writer.writeObjectArray("nearTxKeysArr", nearTxKeysArr, MessageCollectionItemType.MSG)) |
| return false; |
| |
| writer.incrementState(); |
| |
| case 6: |
| if (!writer.writeObjectArray("txKeysArr", txKeysArr, 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: |
| futId = reader.readLong("futId"); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 4: |
| locksArr = reader.readObjectArray("locksArr", MessageCollectionItemType.MSG, TxLockList.class); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 5: |
| nearTxKeysArr = reader.readObjectArray("nearTxKeysArr", MessageCollectionItemType.MSG, IgniteTxKey.class); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| case 6: |
| txKeysArr = reader.readObjectArray("txKeysArr", MessageCollectionItemType.MSG, IgniteTxKey.class); |
| |
| if (!reader.isLastRead()) |
| return false; |
| |
| reader.incrementState(); |
| |
| } |
| |
| return reader.afterMessageRead(TxLocksResponse.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public short directType() { |
| return -23; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte fieldsCount() { |
| return 7; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void onAckReceived() { |
| // No-op. |
| } |
| } |