JaQu improvements

h2/src/tools/org/h2/jaqu/TestCondition.java

+/*
+ * Copyright 2004-2008 H2 Group. Multiple-Licensed under the H2 License, 
+ * Version 1.0, and under the Eclipse Public License, Version 1.0
+ * (http://h2database.com/html/license.html).
+ * Initial Developer: H2 Group
+ */
+package org.h2.jaqu;
+
+import org.h2.jaqu.util.Utils;
+
+/**
+ * This class represents an incomplete condition.
+ *
+ * @param <A> the incomplete condition data type
+ */
+public class TestCondition<A> {
+    
+    private A x;
+
+    public TestCondition(A x) {
+        this.x = x;
+    }
+    
+    public Boolean is(A y) {
+        Boolean o = Utils.newObject(Boolean.class);
+        return Db.registerToken(o, new Function("=", x, y) {
+            public String getString(Query query) {
+                return "(" + query.getString(x[0]) + " = " + query.getString(x[1]) + ")";
+            }
+        });
+    }
+
+    public Boolean bigger(A y) {
+        Boolean o = Utils.newObject(Boolean.class);
+        return Db.registerToken(o, new Function(">", x, y) {
+            public String getString(Query query) {
+                return "(" + query.getString(x[0]) + " > " + query.getString(x[1]) + ")";
+            }
+        });
+    }
+
+    public Boolean biggerEqual(A y) {
+        Boolean o = Utils.newObject(Boolean.class);
+        return Db.registerToken(o, new Function(">=", x, y) {
+            public String getString(Query query) {
+                return "(" + query.getString(x[0]) + " >= " + query.getString(x[1]) + ")";
+            }
+        });
+    }
+
+    public Boolean smaller(A y) {
+        Boolean o = Utils.newObject(Boolean.class);
+        return Db.registerToken(o, new Function("<", x, y) {
+            public String getString(Query query) {
+                return "(" + query.getString(x[0]) + " < " + query.getString(x[1]) + ")";
+            }
+        });
+    }
+
+    public Boolean smallerEqual(A y) {
+        Boolean o = Utils.newObject(Boolean.class);
+        return Db.registerToken(o, new Function("<=", x, y) {
+            public String getString(Query query) {
+                return "(" + query.getString(x[0]) + " <= " + query.getString(x[1]) + ")";
+            }
+        });
+    }
+
+    public Boolean like(A pattern) {
+        Boolean o = Utils.newObject(Boolean.class);
+        return Db.registerToken(o, new Function("LIKE", x, pattern) {
+            public String getString(Query query) {
+                return "(" + query.getString(x[0]) + " LIKE " + query.getString(x[1]) + ")";
+            }
+        });
+    }
+
+}