/**
* Copyright 2010 JBoss Inc
*
* Licensed 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.drools.base;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
public class AccessorKey
implements
Externalizable {
private static final long serialVersionUID = 510l;
private String className;
private String fieldName;
private int hashCode;
private AccessorType type;
//private
public AccessorKey() {
}
public AccessorKey(String className,
String fieldName,
AccessorType type) {
super();
this.className = className;
this.fieldName = fieldName;
final int PRIME = 31;
int result = 1;
result = PRIME * result + className.hashCode();
result = PRIME * result + ( (fieldName == null) ? 0 : fieldName.hashCode() );
result = PRIME * result + type.hashCode();
this.hashCode = result;
}
public void writeExternal(ObjectOutput out) throws IOException {
out.writeUTF( className );
out.writeObject( fieldName ); // use writeObject so it can be null
out.writeInt( hashCode );
out.writeObject( type );
}
public void readExternal(ObjectInput in) throws IOException,
ClassNotFoundException {
className = in.readUTF();
fieldName = ( String ) in.readObject(); // use writeObject so it can be null
hashCode = in.readInt();
type = ( AccessorType ) in.readObject();
}
public String getClassName() {
return className;
}
public String getFieldName() {
return fieldName;
}
public AccessorType getType() {
return this.type;
}
public int hashCode() {
return hashCode;
}
@Override
public boolean equals(Object obj) {
if ( this == obj ) return true;
if ( obj == null ) return false;
if ( getClass() != obj.getClass() ) return false;
AccessorKey other = (AccessorKey) obj;
if ( className == null ) {
if ( other.className != null ) return false;
} else if ( !className.equals( other.className ) ) return false;
if ( fieldName == null ) {
if ( other.fieldName != null ) return false;
} else if ( !fieldName.equals( other.fieldName ) ) return false;
if ( type == null ) {
if ( other.type != null ) return false;
} else if ( !type.equals( other.type ) ) return false;
return true;
}
public String toString() {
return this.className + "-" + this.fieldName;
}
public static enum AccessorType {
FieldAccessor, ClassObjectType; //ObjectAccessor, GlobalAccessor;
}
}