/*
* 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 org.apache.jena.sparql.modify.request;
import java.util.List ;
import org.apache.jena.sparql.core.Quad ;
import org.apache.jena.sparql.syntax.Element ;
import org.apache.jena.sparql.util.Iso ;
import org.apache.jena.sparql.util.NodeIsomorphismMap ;
import org.apache.jena.update.Update ;
public class UpdateModify extends UpdateWithUsing
{
private final QuadAcc deletePattern ;
private final QuadAcc insertPattern ;
private boolean hasInsert = false ;
private boolean hasDelete = false ;
private Element wherePattern ;
public UpdateModify()
{
this.deletePattern = new QuadAcc() ;
this.insertPattern = new QuadAcc() ;
this.wherePattern = null ;
}
public void setElement(Element element)
{
this.wherePattern = element ;
}
public QuadAcc getDeleteAcc()
{
return deletePattern ;
}
public QuadAcc getInsertAcc()
{
return insertPattern ;
}
public List<Quad> getDeleteQuads()
{
return deletePattern.getQuads() ;
}
public List<Quad> getInsertQuads()
{
return insertPattern.getQuads() ;
}
/** Explicit flag to indicate a INSERT clause was seen, even if it had no quads */
public void setHasInsertClause(boolean flag)
{
hasInsert = flag ;
}
/** Explicit flag to indicate a DELETE clause was seen, even if it had no quads */
public void setHasDeleteClause(boolean flag)
{
hasDelete = flag ;
}
public boolean hasInsertClause()
{
if ( hasInsert ) return true ;
return insertPattern.getQuads().size() > 0 ;
}
public boolean hasDeleteClause()
{
if ( hasDelete) return true ;
return deletePattern.getQuads().size() > 0 ;
}
public Element getWherePattern()
{
return wherePattern ;
}
@Override
public void visit(UpdateVisitor visitor)
{ visitor.visit(this) ; }
@Override
public boolean equalTo(Update obj, NodeIsomorphismMap isoMap) {
if (this == obj)
return true ;
if (obj == null)
return false ;
if (getClass() != obj.getClass())
return false ;
UpdateModify other = (UpdateModify)obj ;
if ( hasDelete != other.hasDelete )
return false ;
if ( hasInsert != other.hasInsert )
return false ;
if ( ! equalIso(other, isoMap))
return false ;
if ( ! Iso.isomorphicQuads(getDeleteQuads(), other.getDeleteQuads(), isoMap) )
return false ;
if ( ! Iso.isomorphicQuads(getInsertQuads(), other.getInsertQuads(), isoMap) )
return false ;
if ( ! wherePattern.equalTo(other.wherePattern, isoMap) )
return false ;
return true ;
}
}