src/java.management/share/classes/javax/management/BetweenQueryExp.java
changeset 47216 71c04702a3d5
parent 25859 3317bb8137f4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.management/share/classes/javax/management/BetweenQueryExp.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 1999, 2008, Oracle and/or its affiliates. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.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);
+        boolean numeric = val1 instanceof NumericValueExp;
+
+        if (numeric) {
+            if (((NumericValueExp)val1).isLong()) {
+                long lval1 = ((NumericValueExp)val1).longValue();
+                long lval2 = ((NumericValueExp)val2).longValue();
+                long lval3 = ((NumericValueExp)val3).longValue();
+                return lval2 <= lval1 && lval1 <= lval3;
+            } else {
+                double dval1 = ((NumericValueExp)val1).doubleValue();
+                double dval2 = ((NumericValueExp)val2).doubleValue();
+                double dval3 = ((NumericValueExp)val3).doubleValue();
+                return dval2 <= dval1 && dval1 <= dval3;
+            }
+
+        } else {
+            String sval1 = ((StringValueExp)val1).getValue();
+            String sval2 = ((StringValueExp)val2).getValue();
+            String sval3 = ((StringValueExp)val3).getValue();
+            return sval2.compareTo(sval1) <= 0 && sval1.compareTo(sval3) <= 0;
+        }
+    }
+
+    /**
+     * Returns the string representing the object.
+     */
+    @Override
+    public String toString()  {
+        return "(" + exp1 + ") between (" + exp2 + ") and (" + exp3 + ")";
+    }
+}