| /* |
| * 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.persistence; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.util.UUID; |
| |
| import org.apache.geode.internal.cache.versions.VersionSource; |
| import org.apache.geode.internal.serialization.DeserializationContext; |
| import org.apache.geode.internal.serialization.KnownVersion; |
| import org.apache.geode.internal.serialization.SerializationContext; |
| |
| /** |
| * A Unique ID for a disk store |
| * |
| * TODO - RVV - this class is java serializable because apparently it is included in some Exception |
| * that is serialized with java serialization back to a client as part of a put all exception. See |
| * PutAllCSDUnitTest.testPartialKeyInPR. |
| */ |
| public class DiskStoreID implements VersionSource<DiskStoreID>, Serializable { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private long mostSig; |
| private long leastSig; |
| |
| public DiskStoreID(UUID uuid) { |
| mostSig = uuid.getMostSignificantBits(); |
| leastSig = uuid.getLeastSignificantBits(); |
| } |
| |
| public DiskStoreID(long diskStoreIdHigh, long diskStoreIdLow) { |
| mostSig = diskStoreIdHigh; |
| leastSig = diskStoreIdLow; |
| } |
| |
| /** for deserialization */ |
| public DiskStoreID() {} |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| out.writeLong(mostSig); |
| out.writeLong(leastSig); |
| } |
| |
| @Override |
| public void writeEssentialData(DataOutput out) throws IOException { |
| out.writeLong(mostSig); |
| out.writeLong(leastSig); |
| } |
| |
| public static DiskStoreID readEssentialData(DataInput in) throws IOException { |
| long mostSig = in.readLong(); |
| long leastSig = in.readLong(); |
| return new DiskStoreID(mostSig, leastSig); |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| mostSig = in.readLong(); |
| leastSig = in.readLong(); |
| } |
| |
| @Override |
| public int compareTo(DiskStoreID tagID) { |
| if (tagID == null) { |
| return 1; |
| } |
| int result = Long.signum(mostSig - tagID.mostSig); |
| if (result != 0) { |
| result = Long.signum(leastSig - tagID.leastSig); |
| } |
| return result; |
| } |
| |
| public long getMostSignificantBits() { |
| return mostSig; |
| } |
| |
| public long getLeastSignificantBits() { |
| return leastSig; |
| } |
| |
| public static DiskStoreID random() { |
| return new DiskStoreID(UUID.randomUUID()); |
| } |
| |
| @Override |
| public int getDSFID() { |
| return DISK_STORE_ID; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + (int) (leastSig ^ (leastSig >>> 32)); |
| result = prime * result + (int) (mostSig ^ (mostSig >>> 32)); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| DiskStoreID other = (DiskStoreID) obj; |
| if (leastSig != other.leastSig) { |
| return false; |
| } |
| return mostSig == other.mostSig; |
| } |
| |
| @Override |
| public String toString() { |
| return Long.toHexString(mostSig) + "-" + Long.toHexString(leastSig); |
| } |
| |
| public UUID toUUID() { |
| return new UUID(mostSig, leastSig); |
| } |
| |
| @Override |
| public KnownVersion[] getSerializationVersions() { |
| return null; |
| } |
| |
| public String abbrev() { |
| return Long.toHexString(mostSig).substring(8); |
| } |
| |
| @Override |
| public boolean isDiskStoreId() { |
| return true; |
| } |
| |
| } |