/**
* 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.rule;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import org.drools.common.InternalFactHandle;
import org.drools.common.InternalWorkingMemory;
import org.drools.reteoo.LeftTuple;
import org.drools.spi.AcceptsReadAccessor;
import org.drools.spi.InternalReadAccessor;
import org.drools.spi.ReadAccessor;
import org.drools.spi.Restriction;
public class MultiRestrictionFieldConstraint extends MutableTypeConstraint
implements
AcceptsReadAccessor {
private static final long serialVersionUID = 510l;
private InternalReadAccessor readAccessor;
private Restriction restrictions;
public MultiRestrictionFieldConstraint() {
}
public MultiRestrictionFieldConstraint(final InternalReadAccessor extractor,
final Restriction restrictions) {
this.readAccessor = extractor;
this.restrictions = restrictions;
}
public void readExternal(ObjectInput in) throws IOException,
ClassNotFoundException {
super.readExternal( in );
readAccessor = (InternalReadAccessor) in.readObject();
restrictions = (Restriction) in.readObject();
}
public void writeExternal(ObjectOutput out) throws IOException {
super.writeExternal( out );
out.writeObject( readAccessor );
out.writeObject( restrictions );
}
public void setReadAccessor(InternalReadAccessor readAccessor) {
this.readAccessor = readAccessor;
}
public ReadAccessor getFieldExtractor() {
return this.readAccessor;
}
public Declaration[] getRequiredDeclarations() {
return this.restrictions.getRequiredDeclarations();
}
public void replaceDeclaration(Declaration oldDecl,
Declaration newDecl) {
this.restrictions.replaceDeclaration( oldDecl,
newDecl );
}
public boolean isTemporal() {
return restrictions.isTemporal();
}
public String toString() {
return "[MultiRestrictionConstraint fieldExtractor=" + this.readAccessor + " restrictions =" + this.restrictions + "]";
}
public int hashCode() {
final int PRIME = 31;
int result = 1;
result = PRIME * this.readAccessor.hashCode();
result = PRIME * this.restrictions.hashCode();
return result;
}
public boolean equals(final Object object) {
if ( this == object ) {
return true;
}
if ( object == null || object.getClass() != MultiRestrictionFieldConstraint.class ) {
return false;
}
final MultiRestrictionFieldConstraint other = (MultiRestrictionFieldConstraint) object;
return this.readAccessor.equals( other.readAccessor ) && this.restrictions.equals( other.restrictions );
}
public boolean isAllowed(final InternalFactHandle handle,
final InternalWorkingMemory workingMemory,
final ContextEntry context) {
return this.restrictions.isAllowed( this.readAccessor,
handle,
workingMemory,
context );
}
public ContextEntry createContextEntry() {
return this.restrictions.createContextEntry();
}
public boolean isAllowedCachedLeft(final ContextEntry context,
final InternalFactHandle handle) {
return this.restrictions.isAllowedCachedLeft( context,
handle );
}
public boolean isAllowedCachedRight(final LeftTuple tuple,
final ContextEntry context) {
return this.restrictions.isAllowedCachedRight( tuple,
context );
}
public Object clone() {
return new MultiRestrictionFieldConstraint( this.readAccessor,
(Restriction) this.restrictions.clone() );
}
}