| /* |
| * 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 javaobject; |
| |
| import org.apache.geode.DataSerializable; |
| import org.apache.geode.Delta; |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.Instantiator; |
| import org.apache.geode.InvalidDeltaException; |
| import org.apache.geode.cache.util.ObjectSizer; |
| import org.apache.geode.cache.Declarable; |
| import org.apache.geode.internal.NanoTimer; |
| import org.apache.geode.*; |
| import java.io.*; |
| import java.util.*; |
| |
| |
| public class DeltaPSTObject implements Declarable,Serializable, DataSerializable, Delta, Cloneable |
| { |
| private long timestamp; |
| private int field1; |
| private char field2; |
| private byte[] byteArray; |
| |
| static { |
| Instantiator.register(new Instantiator(DeltaPSTObject.class, (byte) 42) { |
| public DataSerializable newInstance() { |
| return new DeltaPSTObject(); |
| } |
| }); |
| } |
| |
| public void init(Properties props) { |
| this.field1 = Integer.parseInt(props.getProperty("field1")); |
| } |
| |
| public DeltaPSTObject() { |
| } |
| // no need to write init or other constructor . |
| // we just need to register the PSTObject/ DeltaPSTObject at server side via cache xml. |
| public boolean equals(Object o) { |
| if (o instanceof DeltaPSTObject) { |
| DeltaPSTObject other = (DeltaPSTObject) o; |
| if (this.timestamp == other.timestamp) { |
| if ((this.field1 == other.field1) && |
| (this.field2 == other.field2) ) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| // ObjectSizer |
| public int sizeof(Object o) { |
| if (o instanceof DeltaPSTObject) { |
| DeltaPSTObject obj = (DeltaPSTObject)o; |
| return ObjectSizer.DEFAULT.sizeof(obj.timestamp) |
| + ObjectSizer.DEFAULT.sizeof(obj.field1) |
| + ObjectSizer.DEFAULT.sizeof(obj.field2) |
| + ObjectSizer.DEFAULT.sizeof(obj.byteArray); |
| } else { |
| return ObjectSizer.DEFAULT.sizeof(o); |
| } |
| } |
| |
| // DataSerializable |
| public void toData( DataOutput out ) |
| throws IOException { |
| out.writeLong( this.timestamp ); |
| out.writeInt( this.field1 ); |
| out.writeChar( this.field2 ); |
| DataSerializer.writeByteArray(this.byteArray, out); |
| } |
| public void fromData( DataInput in ) |
| throws IOException, ClassNotFoundException { |
| this.timestamp = in.readLong(); |
| this.field1 = in.readInt(); |
| this.field2 = in.readChar(); |
| this.byteArray = DataSerializer.readByteArray( in ); |
| } |
| //------------------------------------------------------------------------------ |
| //Delta |
| |
| public boolean hasDelta() { |
| return true; |
| } |
| |
| public void toDelta(DataOutput out) |
| throws IOException { |
| out.writeInt(this.field1); |
| out.writeLong(this.timestamp); |
| } |
| |
| public void fromDelta(DataInput in) |
| throws IOException { |
| this.field1 = in.readInt(); |
| this.timestamp = in.readLong(); |
| } |
| |
| |
| //------------------------------------------------------------------------------ |
| //Cloneable |
| |
| /** |
| * Makes a deep copy of this object. |
| */ |
| public Object clone() throws CloneNotSupportedException { |
| DeltaPSTObject obj = (DeltaPSTObject)super.clone(); |
| this.byteArray = new byte[this.byteArray.length]; |
| System.arraycopy(this.byteArray, 0, obj.byteArray, 0, |
| this.byteArray.length); |
| return obj; |
| } |
| } |