/*
* 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 com.hp.hpl.jena.sparql.algebra.op;
import com.hp.hpl.jena.sparql.algebra.Op ;
import com.hp.hpl.jena.sparql.algebra.OpVisitor ;
import com.hp.hpl.jena.sparql.algebra.Transform ;
import com.hp.hpl.jena.sparql.core.BasicPattern ;
import com.hp.hpl.jena.sparql.sse.Tags ;
import com.hp.hpl.jena.sparql.util.NodeIsomorphismMap ;
public class OpBGP extends Op0
{
private BasicPattern pattern ;
public static boolean isBGP(Op op)
{
return (op instanceof OpBGP ) ;
}
public OpBGP() { this(new BasicPattern()) ; }
public OpBGP(BasicPattern pattern)
{ this.pattern = pattern ; }
public BasicPattern getPattern() { return pattern ; }
@Override
public String getName() { return Tags.tagBGP /*.toUpperCase(Locale.ENGLISH)*/ ; }
@Override
public Op apply(Transform transform) { return transform.transform(this) ; }
@Override
public void visit(OpVisitor opVisitor) { opVisitor.visit(this) ; }
@Override
public Op0 copy() { return new OpBGP(pattern) ; }
@Override
public int hashCode()
{
int calcHashCode = OpBase.HashBasicGraphPattern ;
calcHashCode ^= pattern.hashCode() ;
return calcHashCode ;
}
@Override
public boolean equalTo(Op op2, NodeIsomorphismMap labelMap)
{
if ( ! ( op2 instanceof OpBGP) )
return false ;
OpBGP bgp2 = (OpBGP)op2 ;
return pattern.equiv(bgp2.pattern, labelMap) ;
}
}