- Implemented transformations

src/fr/inrialpes/exmo/align/impl/edoal/Transformation.java

+/*
+ * $Id$
+ *
+ * Copyright (C) INRIA, 2010
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA.
+ */
+
+package fr.inrialpes.exmo.align.impl.edoal;
+
+import org.semanticweb.owl.align.AlignmentVisitor;
+import org.semanticweb.owl.align.AlignmentException;
+import org.semanticweb.owl.align.Visitable;
+
+import fr.inrialpes.exmo.align.parser.TypeCheckingVisitor;
+
+/**
+ * This implements a transformation of an entity into another.
+ * The transformation is specified usually through function and can go one way or bith ways 
+ *
+ * @author Jrme Euzenat
+ * @version $Id: EDOALCell.java 1338 2010-03-18 21:33:00Z euzenat $ 
+ */
+
+public class Transformation implements Visitable {
+
+    // JE: bad values...
+    private String type; // "oo", "o-" or "-o"
+    private ValueExpression expr1;
+    private ValueExpression expr2;
+
+    public void accept( AlignmentVisitor visitor) throws AlignmentException {
+        visitor.visit( this );
+    }
+
+    public void accept( TypeCheckingVisitor visitor ) throws AlignmentException {
+	visitor.visit(this);
+    }
+
+    /** Creation **/
+    public Transformation( String type, ValueExpression ob1, ValueExpression ob2 ) throws AlignmentException {
+	this.type = type;
+	expr1 = ob1;
+	expr2 = ob2;
+    };
+
+    public ValueExpression getObject1() {
+	return expr1;
+    }
+    public ValueExpression getObject2() {
+	return expr2;
+    }
+    public String getType() {
+	return type;
+    }
+
+    public Transformation inverse() throws AlignmentException {
+	String newType;
+	if ( type.equals("oo") ) newType = type;
+	else if ( type.equals( "o-" ) ) newType = "-o";
+	else if ( type.equals( "-o" ) ) newType = "o-";
+	else throw new AlignmentException( "Incorrect type specification : "+type );
+	return new Transformation( newType, expr2, expr1 );
+    }
+
+}
+