| /* |
| * 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.geode.internal.cache.locks; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.geode.distributed.internal.locks.DLockBatch; |
| import org.apache.geode.distributed.internal.locks.DLockBatchId; |
| import org.apache.geode.distributed.internal.locks.LockGrantorId; |
| import org.apache.geode.distributed.internal.membership.InternalDistributedMember; |
| import org.apache.geode.internal.DataSerializableFixedID; |
| import org.apache.geode.internal.InternalDataSerializer; |
| import org.apache.geode.internal.Version; |
| import org.apache.geode.internal.cache.IdentityArrayList; |
| import org.apache.geode.internal.cache.TXRegionLockRequestImpl; |
| |
| /** |
| * Adapts multiple TXRegionLockRequests to one DLockBatch for DLock to use. |
| * |
| */ |
| public class TXLockBatch implements DLockBatch, DataSerializableFixedID { |
| |
| /** Identifies the batch as a single entity */ |
| private TXLockIdImpl txLockId; |
| |
| /** List of <code>TXRegionLockRequests</code> */ |
| private List reqs; |
| |
| /** Identifies the members participating in the transaction */ |
| private Set participants; |
| |
| /** |
| * Constructs a <code>TXLockBatch</code> for the list of <code>TXRegionLockRequests</code> |
| */ |
| public TXLockBatch(TXLockId txLockId, List reqs, Set participants) { |
| this.txLockId = (TXLockIdImpl) txLockId; |
| this.reqs = reqs; |
| this.participants = participants; |
| } |
| |
| @Override |
| public InternalDistributedMember getOwner() { |
| return this.txLockId.getMemberId(); |
| } |
| |
| public TXLockId getTXLockId() { |
| return this.txLockId; |
| } |
| |
| @Override |
| public DLockBatchId getBatchId() { |
| return this.txLockId; |
| } |
| |
| public void setParticipants(Set participants) { |
| this.participants = participants; |
| } |
| |
| @Override |
| public void grantedBy(LockGrantorId lockGrantorId) { |
| this.txLockId.setLockGrantorId(lockGrantorId); |
| } |
| |
| @Override |
| public List getReqs() { |
| if (this.reqs != null && !(this.reqs instanceof IdentityArrayList)) { |
| this.reqs = new IdentityArrayList(this.reqs); |
| } |
| return this.reqs; |
| } |
| |
| @Override |
| public String toString() { |
| return "[TXLockBatch: txLockId=" + txLockId + "; reqs=" + reqs + "; participants=" |
| + participants + "]"; |
| } |
| |
| /** |
| * Each lock batch contains a set of distributed system member ids that are participating in the |
| * transaction. Public access for testing purposes. |
| * |
| * @return participants in the transaction |
| */ |
| public Set getParticipants() { |
| return this.participants; |
| } |
| |
| // ------------------------------------------------------------------------- |
| // DataSerializable support |
| // ------------------------------------------------------------------------- |
| |
| public TXLockBatch() {} |
| |
| @Override |
| public int getDSFID() { |
| return TX_LOCK_BATCH; |
| } |
| |
| @Override |
| public void fromData(DataInput in) throws IOException, ClassNotFoundException { |
| this.txLockId = TXLockIdImpl.createFromData(in); |
| this.participants = InternalDataSerializer.readSet(in); |
| { |
| int reqsSize = in.readInt(); |
| if (reqsSize >= 0) { |
| this.reqs = new IdentityArrayList(reqsSize); |
| for (int i = 0; i < reqsSize; i++) { |
| this.reqs.add(TXRegionLockRequestImpl.createFromData(in)); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void toData(DataOutput out) throws IOException { |
| InternalDataSerializer.invokeToData(this.txLockId, out); |
| InternalDataSerializer.writeSet(this.participants, out); |
| if (this.reqs == null) { |
| out.writeInt(-1); |
| } else { |
| out.writeInt(this.reqs.size()); |
| for (Iterator iter = this.reqs.iterator(); iter.hasNext();) { |
| TXRegionLockRequestImpl elem = (TXRegionLockRequestImpl) iter.next(); |
| InternalDataSerializer.invokeToData(elem, out); |
| } |
| } |
| } |
| |
| @Override |
| public Version[] getSerializationVersions() { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| } |