1 files changed, 88 insertions, 0 deletions
diff --git a/petascope/src/petascope/wcps/server/core/InducedOperationCoverageExpr.java b/petascope/src/petascope/wcps/server/core/InducedOperationCoverageExpr.java
new file mode 100644
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+++ b/petascope/src/petascope/wcps/server/core/InducedOperationCoverageExpr.java
@@ -0,0 +1,88 @@
+/*
+ * 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();
+    }
+}