org.drools.core.spi.SelfNumberExtractor Maven / Gradle / Ivy
/*
* Copyright 2005 Red Hat, Inc. and/or its affiliates.
*
* 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.core.spi;
import org.drools.core.base.ClassObjectType;
import org.drools.core.base.extractors.BaseNumberClassFieldReader;
import org.drools.core.common.InternalWorkingMemory;
import org.drools.core.util.ClassUtils;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
public class SelfNumberExtractor extends BaseNumberClassFieldReader
implements
InternalReadAccessor,
AcceptsClassObjectType,
Externalizable {
private static final long serialVersionUID = 510l;
private ClassObjectType objectType;
public SelfNumberExtractor() {
}
public SelfNumberExtractor(ClassObjectType objectType) {
super(-1, ((ClassObjectType) objectType).getClassType(), objectType.getValueType() );
this.objectType = objectType;
}
public void readExternal(ObjectInput in) throws IOException,
ClassNotFoundException {
objectType = (ClassObjectType) in.readObject();
setIndex( -1 );
setFieldType( ((ClassObjectType) objectType).getClassType() );
setValueType( objectType.getValueType() );
}
public void writeExternal(ObjectOutput out) throws IOException {
out.writeObject( objectType );
}
public void setClassObjectType(ClassObjectType objectType) {
this.objectType = objectType;
setIndex( -1 );
setFieldType( objectType.getClassType() );
setValueType( objectType.getValueType() );
}
public Object getValue(InternalWorkingMemory workingMemory,
final Object object) {
return object;
}
public ObjectType getObjectType() {
return this.objectType;
}
public Class getExtractToClass() {
return this.objectType.getClassType();
}
public String getExtractToClassName() {
return ClassUtils.canonicalName( getExtractToClass() );
}
public int hashCode() {
return this.objectType.hashCode();
}
public boolean equals(final Object obj) {
if ( this == obj ) {
return true;
}
if ( !(obj instanceof SelfNumberExtractor) ) {
return false;
}
final SelfNumberExtractor other = (SelfNumberExtractor) obj;
return this.objectType.equals( other.objectType );
}
public boolean isGlobal() {
return false;
}
public boolean isSelfReference() {
return true;
}
}