jdk/src/share/classes/javax/management/BetweenQueryExp.java
changeset 2 90ce3da70b43
child 34 2d042367885f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/javax/management/BetweenQueryExp.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,151 @@
+/*
+ * Copyright 1999-2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package javax.management;
+
+
+/**
+ * This class is used by the query-building mechanism to represent binary
+ * relations.
+ * @serial include
+ *
+ * @since 1.5
+ */
+class BetweenQueryExp extends QueryEval implements QueryExp {
+
+    /* Serial version */
+    private static final long serialVersionUID = -2933597532866307444L;
+
+    /**
+     * @serial The checked value
+     */
+    private ValueExp exp1;
+
+    /**
+     * @serial The lower bound value
+     */
+    private ValueExp exp2;
+
+    /**
+     * @serial The upper bound value
+     */
+    private ValueExp exp3;
+
+
+    /**
+     * Basic Constructor.
+     */
+    public BetweenQueryExp() {
+    }
+
+    /**
+     * Creates a new BetweenQueryExp with v1 checked value, v2 lower bound
+     * and v3 upper bound values.
+     */
+    public BetweenQueryExp(ValueExp v1, ValueExp v2, ValueExp v3) {
+        exp1  = v1;
+        exp2  = v2;
+        exp3  = v3;
+    }
+
+
+    /**
+     * Returns the checked value of the query.
+     */
+    public ValueExp getCheckedValue()  {
+        return exp1;
+    }
+
+    /**
+     * Returns the lower bound value of the query.
+     */
+    public ValueExp getLowerBound()  {
+        return exp2;
+    }
+
+    /**
+     * Returns the upper bound value of the query.
+     */
+    public ValueExp getUpperBound()  {
+        return exp3;
+    }
+
+    /**
+     * Applies the BetweenQueryExp on an MBean.
+     *
+     * @param name The name of the MBean on which the BetweenQueryExp will be applied.
+     *
+     * @return  True if the query was successfully applied to the MBean, false otherwise.
+     *
+     * @exception BadStringOperationException
+     * @exception BadBinaryOpValueExpException
+     * @exception BadAttributeValueExpException
+     * @exception InvalidApplicationException
+     */
+    public boolean apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException,
+        BadAttributeValueExpException, InvalidApplicationException  {
+        ValueExp val1 = exp1.apply(name);
+        ValueExp val2 = exp2.apply(name);
+        ValueExp val3 = exp3.apply(name);
+        String sval1;
+        String sval2;
+        String sval3;
+        double dval1;
+        double dval2;
+        double dval3;
+        long lval1;
+        long lval2;
+        long lval3;
+        boolean numeric = val1 instanceof NumericValueExp;
+
+        if (numeric) {
+            if (((NumericValueExp)val1).isLong()) {
+                lval1 = ((NumericValueExp)val1).longValue();
+                lval2 = ((NumericValueExp)val2).longValue();
+                lval3 = ((NumericValueExp)val3).longValue();
+                return lval2 <= lval1 && lval1 <= lval3;
+            } else {
+                dval1 = ((NumericValueExp)val1).doubleValue();
+                dval2 = ((NumericValueExp)val2).doubleValue();
+                dval3 = ((NumericValueExp)val3).doubleValue();
+                return dval2 <= dval1 && dval1 <= dval3;
+            }
+
+        } else {
+            sval1 = ((StringValueExp)val1).toString();
+            sval2 = ((StringValueExp)val2).toString();
+            sval3 = ((StringValueExp)val3).toString();
+            return sval2.compareTo(sval1) <= 0 && sval1.compareTo(sval3) <= 0;
+        }
+    }
+
+    /**
+     * Returns the string representing the object.
+     */
+    public String toString()  {
+        return "(" + exp1 + ") between (" + exp2 + ") and (" + exp3 + ")";
+    }
+
+ }