| /* |
| * 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 org.apache.geode.DataSerializer; |
| import org.apache.geode.annotations.internal.MakeNotStatic; |
| 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.Version; |
| |
| /** |
| * Identifies a group of transaction locks. |
| */ |
| public class TXLockIdImpl implements TXLockId, DataSerializableFixedID { |
| |
| private static final long serialVersionUID = 8579214625084490134L; |
| |
| /** DistributionManager id for this member */ |
| private InternalDistributedMember memberId; |
| |
| /** Increments for each txLockId that is generated in this vm */ |
| @MakeNotStatic |
| private static int txCount = 0; |
| |
| /** Unique identifier within this member's vm */ |
| private int id; |
| |
| /** Identifies the lock grantor that granted the lock */ |
| private transient LockGrantorId grantedBy; |
| |
| /** Creates new instance of TXLockIdImpl */ |
| public TXLockIdImpl(InternalDistributedMember memberId) { |
| this.memberId = memberId; |
| synchronized (TXLockIdImpl.class) { |
| this.id = txCount++; |
| } |
| } |
| |
| @Override |
| public int getCount() { |
| return this.id; |
| } |
| |
| @Override |
| public InternalDistributedMember getMemberId() { |
| return this.memberId; |
| } |
| |
| @Override |
| public void setLockGrantorId(LockGrantorId lockGrantorId) { |
| this.grantedBy = lockGrantorId; |
| } |
| |
| @Override |
| public LockGrantorId getLockGrantorId() { |
| return this.grantedBy; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = 17; |
| final int mult = 37; |
| |
| result = mult * result + (this.memberId == null ? 0 : this.memberId.hashCode()); |
| result = mult * result + this.id; |
| |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other == this) |
| return true; |
| if (other == null) |
| return false; |
| if (!(other instanceof TXLockIdImpl)) |
| return false; |
| final TXLockIdImpl that = (TXLockIdImpl) other; |
| |
| if (this.memberId != that.memberId |
| && !(this.memberId != null && this.memberId.equals(that.memberId))) { |
| return false; |
| } |
| if (this.id != that.id) |
| return false; |
| |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "TXLockId: " + this.memberId + "-" + this.id; |
| } |
| |
| // ------------------------------------------------------------------------- |
| // DataSerializable support |
| // ------------------------------------------------------------------------- |
| |
| public TXLockIdImpl() {} |
| |
| @Override |
| public int getDSFID() { |
| return TRANSACTION_LOCK_ID; |
| } |
| |
| @Override |
| public void fromData(DataInput in) throws IOException, ClassNotFoundException { |
| this.memberId = (InternalDistributedMember) DataSerializer.readObject(in); |
| this.id = in.readInt(); |
| } |
| |
| @Override |
| public void toData(DataOutput out) throws IOException { |
| DataSerializer.writeObject(this.memberId, out); |
| out.writeInt(this.id); |
| } |
| |
| public static TXLockIdImpl createFromData(DataInput in) |
| throws IOException, ClassNotFoundException { |
| TXLockIdImpl result = new TXLockIdImpl(); |
| result.fromData(in); |
| return result; |
| } |
| |
| @Override |
| public Version[] getSerializationVersions() { |
| return null; |
| } |
| } |