- Add parser interface for exploration expression language (visitor). This...

- Add parser interface for exploration expression language (visitor). This includes an additional EOperation for IExpressions to accept visitors.
- Implement a base class for expression evaluators.
- Add a Deployment validator that performs an evaluation against a given ExplorationSpecification and which uses expression evaluator base class.
- Add a context menu entry to launch the Deployment validation.
- Add two Utility methods to handle integer and floating point numbers.
refs 2960

org.fortiss.tooling.base/trunk/src/org/fortiss/tooling/base/utils/BaseMathUtils.java

@@ -32,7 +32,7 @@ import org.apache.commons.lang.math.NumberUtils;
  * @author diewald
  * @author $Author: hoelzl $
  * @version $Rev: 18709 $
- * @ConQAT.Rating YELLOW Hash: 27F367B924A70CBAD1211670F21AED18
+ * @ConQAT.Rating YELLOW Hash: B3EA1B4325C6585B186F6ADBA970B9E6
  */
 public class BaseMathUtils {
 
@@ -195,6 +195,19 @@ public class BaseMathUtils {
 		return false;
 	}
 
+	/**
+	 * Predicate whether the given Number is an integer of the types Byte, Short, Integer, Long,
+	 * BigInteger.
+	 * 
+	 * @param value
+	 *            Number to test.
+	 * @return boolean if the given Number is an integer number.
+	 */
+	public static boolean isIntegerNumber(Number value) {
+		return(value instanceof Byte || value instanceof Short || value instanceof Integer ||
+				value instanceof Long || value instanceof BigInteger);
+	}
+
 	/**
 	 * Creates an {@link ArithmeticException} if an over-/underflow occurs when converting the given
 	 * {@code number} to the given {@code targetType}.