Author: ruschein
Date: 2010-06-25 14:43:40 -0700 (Fri, 25 Jun 2010)
New Revision: 20665

Added:
   corelibs/trunk/equations/src/org/cytoscape/equations/builtins/Error.java
   
corelibs/trunk/equations/tests/org/cytoscape/equations/builtins/ErrorTest.java
Modified:
   corelibs/trunk/equations/src/org/cytoscape/equations/Parser.java
Log:
Added new ERROR() built-in function.

Modified: corelibs/trunk/equations/src/org/cytoscape/equations/Parser.java
===================================================================
--- corelibs/trunk/equations/src/org/cytoscape/equations/Parser.java    
2010-06-25 21:29:09 UTC (rev 20664)
+++ corelibs/trunk/equations/src/org/cytoscape/equations/Parser.java    
2010-06-25 21:43:40 UTC (rev 20665)
@@ -55,6 +55,7 @@
                        eqnParser.registerFunction(new Cosh());
                        eqnParser.registerFunction(new Count());
                        eqnParser.registerFunction(new Degrees());
+                       eqnParser.registerFunction(new 
org.cytoscape.equations.builtins.Error());
                        eqnParser.registerFunction(new Exp());
                        eqnParser.registerFunction(new First());
                        eqnParser.registerFunction(new FList());

Copied: 
corelibs/trunk/equations/src/org/cytoscape/equations/builtins/Error.java (from 
rev 20662, 
corelibs/trunk/equations/src/org/cytoscape/equations/builtins/Abs.java)
===================================================================
--- corelibs/trunk/equations/src/org/cytoscape/equations/builtins/Error.java    
                        (rev 0)
+++ corelibs/trunk/equations/src/org/cytoscape/equations/builtins/Error.java    
2010-06-25 21:43:40 UTC (rev 20665)
@@ -0,0 +1,94 @@
+/*
+  File: Error.java
+
+  Copyright (c) 2010, The Cytoscape Consortium (www.cytoscape.org)
+
+  This library 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
+  any later version.
+
+  This library 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.  The software and
+  documentation provided hereunder is on an "as is" basis, and the
+  Institute for Systems Biology and the Whitehead Institute
+  have no obligations to provide maintenance, support,
+  updates, enhancements or modifications.  In no event shall the
+  Institute for Systems Biology and the Whitehead Institute
+  be liable to any party for direct, indirect, special,
+  incidental or consequential damages, including lost profits, arising
+  out of the use of this software and its documentation, even if the
+  Institute for Systems Biology and the Whitehead Institute
+  have been advised of the possibility of such damage.  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 library; if not, write to the Free Software Foundation,
+  Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+*/
+package org.cytoscape.equations.builtins;
+
+
+import java.util.ArrayList;
+import java.util.List;
+import org.cytoscape.equations.Function;
+
+
+public class Error implements Function {
+       /**
+        *  Used to parse the function string.  This name is treated in a 
case-insensitive manner!
+        *  @return the name by which you must call the function when used in 
an attribute equation.
+        */
+       public String getName() { return "ERROR"; }
+
+       /**
+        *  Used to provide help for users.
+        *  @return a description of what this function does
+        */
+       public String getFunctionSummary() { return "Throws an exception at 
runtime."; }
+
+       /**
+        *  Used to provide help for users.
+        *  @return a description of how to use this function
+        */
+       public String getUsageDescription() { return "Call this with 
\"ERROR(message)\""; }
+
+       public Class getReturnType() { return String.class; }
+
+       /**
+        *  @return Double.class or null if there is not exactly 1 arg or the 
arg is not of type Double or Long
+        */
+       public Class validateArgTypes(final Class[] argTypes) {
+               if (argTypes.length != 1 || argTypes[0] != String.class)
+                       return null;
+
+               return String.class;
+       }
+
+       /**
+        *  @param args the function arguments which must be either one object 
of type Double or Long
+        *  @return the result of the function evaluation which is the natural 
logarithm of the first argument
+        */
+       public Object evaluateFunction(final Object[] args) {
+               throw new IllegalStateException((String)args[0]);
+       }
+
+       /**
+        *  Used with the equation builder.
+        *
+        *  @param leadingArgs the types of the arguments that have already 
been selected by the user.
+        *  @return the set of arguments (must be a collection of String.class, 
Long.class, Double.class,
+        *           Boolean.class and List.class) that are candidates for the 
next argument.  An empty
+        *           set indicates that no further arguments are valid.
+        */
+       public List<Class> getPossibleArgTypes(final Class[] leadingArgs) {
+               if (leadingArgs.length == 0) {
+                       final List<Class> possibleNextArgs = new 
ArrayList<Class>();
+                       possibleNextArgs.add(String.class);
+                       return possibleNextArgs;
+               }
+
+               return null;
+       }
+}

Copied: 
corelibs/trunk/equations/tests/org/cytoscape/equations/builtins/ErrorTest.java 
(from rev 20662, 
corelibs/trunk/equations/tests/org/cytoscape/equations/builtins/AbsTest.java)
===================================================================
--- 
corelibs/trunk/equations/tests/org/cytoscape/equations/builtins/ErrorTest.java  
                            (rev 0)
+++ 
corelibs/trunk/equations/tests/org/cytoscape/equations/builtins/ErrorTest.java  
    2010-06-25 21:43:40 UTC (rev 20665)
@@ -0,0 +1,40 @@
+/*
+  File: ErrorTest.java
+
+  Copyright (c) 2010, The Cytoscape Consortium (www.cytoscape.org)
+
+  This library 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
+  any later version.
+
+  This library 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.  The software and
+  documentation provided hereunder is on an "as is" basis, and the
+  Institute for Systems Biology and the Whitehead Institute
+  have no obligations to provide maintenance, support,
+  updates, enhancements or modifications.  In no event shall the
+  Institute for Systems Biology and the Whitehead Institute
+  be liable to any party for direct, indirect, special,
+  incidental or consequential damages, including lost profits, arising
+  out of the use of this software and its documentation, even if the
+  Institute for Systems Biology and the Whitehead Institute
+  have been advised of the possibility of such damage.  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 library; if not, write to the Free Software Foundation,
+  Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+*/
+package org.cytoscape.equations.builtins;
+
+
+import junit.framework.*;
+
+
+public class ErrorTest extends TestCase {
+       public void testAll() throws Exception {
+               assertTrue(Framework.executeTestExpectFailure("some message"));
+       }
+}

-- 
You received this message because you are subscribed to the Google Groups 
"cytoscape-cvs" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to 
[email protected].
For more options, visit this group at 
http://groups.google.com/group/cytoscape-cvs?hl=en.

Reply via email to