X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=core%2Fsrc%2Fde%2Fcongrace%2Fexp4j%2FCalculable.java;fp=core%2Fsrc%2Fde%2Fcongrace%2Fexp4j%2FCalculable.java;h=4009cb5d7a347abc6bea7f8a0a5d39c7612933c7;hb=9349577cdfdff682b2aabd6daa24fdc3a7449b58;hp=0000000000000000000000000000000000000000;hpb=30ba0a882f0c061176ba14dbf86d3d6fad096c02;p=debian%2Fopenrocket

diff --git a/core/src/de/congrace/exp4j/Calculable.java b/core/src/de/congrace/exp4j/Calculable.java
new file mode 100644
index 00000000..4009cb5d
--- /dev/null
+++ b/core/src/de/congrace/exp4j/Calculable.java
@@ -0,0 +1,31 @@
+package de.congrace.exp4j;
+
+/**
+ * This is the basic result class of the exp4j {@link ExpressionBuilder}
+ * 
+ * @author ruckus
+ * 
+ */
+public interface Calculable {
+	/**
+	 * calculate the result of the expression
+	 * 
+	 * @return the result of the calculation
+	 */
+	public Variable calculate();
+
+	/**
+	 * return the expression in reverse polish postfix notation
+	 * 
+	 * @return the expression used to construct this {@link Calculable}
+	 */
+	public String getExpression();
+
+	/**
+	 * set a variable value for the calculation
+	 * 
+	 * @param value
+	 *            the value of the variable
+	 */
+	public void setVariable(Variable var);
+}