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/*
* This file is part of PetaScope.
*
* PetaScope 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 3 of
* the License, or (at your option) any later version.
*
* PetaScope 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 PetaScope. If not, see <http://www.gnu.org/licenses/>.
*
* For more information please see <http://www.PetaScope.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*
* Copyright 2009 Jacobs University Bremen, Peter Baumann.
*/
package petascope.wcps.server.core;
import petascope.wcps.server.exceptions.InvalidCrsException;
import petascope.wcps.server.exceptions.WCPSException;
import org.w3c.dom.*;
public class InducedOperationCoverageExpr implements IRasNode, ICoverageInfo {
private IRasNode child;
private CoverageInfo info;
private String operation = "";
public InducedOperationCoverageExpr(Node node, XmlQuery xq)
throws WCPSException, InvalidCrsException {
String nodeName = node.getNodeName();
System.err.println("Trying induced operation: " + nodeName);
boolean okay = false; // will be true if the node is recognized
if (nodeName.equals("rangeConstructor")) {
operation = nodeName;
child = new RangeCoverageExpr(node, xq);
info = new CoverageInfo((((ICoverageInfo) child).getCoverageInfo()));
} else { // Try one of the groups
child = null;
if (child == null) {
try {
child = new UnaryOperationCoverageExpr(node, xq);
info = new CoverageInfo((((ICoverageInfo) child).getCoverageInfo()));
System.err.println("*** Induced Operation SUCCESS: " + node.getNodeName());
} catch (WCPSException e) {
System.err.println("InducedOperation failed: " + node.getNodeName());
child = null;
if (e.getMessage().equals("Method not implemented")) {
throw e;
}
}
}
if (child == null) {
try {
child = new BinaryOperationCoverageExpr(node, xq);
info = new CoverageInfo((((ICoverageInfo) child).getCoverageInfo()));
System.err.println("*** Binary Operation SUCCESS: " + node.getNodeName());
} catch (WCPSException e) {
System.err.println("Binary operation failed: " + node.getNodeName());
child = null;
}
}
if (child == null) {
throw new WCPSException("Invalid induced coverage expression, next node: "
+ node.getNodeName());
}
}
}
public CoverageInfo getCoverageInfo() {
return info;
}
public String toRasQL() {
return child.toRasQL();
}
}
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