1/*
2 * Copyright 2012, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.dexlib2.base.value;
33
34import com.google.common.primitives.Ints;
35import org.jf.dexlib2.ValueType;
36import org.jf.dexlib2.iface.value.DoubleEncodedValue;
37import org.jf.dexlib2.iface.value.EncodedValue;
38
39import javax.annotation.Nonnull;
40import javax.annotation.Nullable;
41
42public abstract class BaseDoubleEncodedValue implements DoubleEncodedValue {
43    @Override
44    public int hashCode() {
45        long v = Double.doubleToRawLongBits(getValue());
46        return (int)(v^(v>>>32));
47    }
48
49    @Override
50    public boolean equals(@Nullable Object o) {
51        if (o instanceof DoubleEncodedValue) {
52            return Double.doubleToRawLongBits(getValue()) ==
53                   Double.doubleToRawLongBits(((DoubleEncodedValue)o).getValue());
54        }
55        return false;
56    }
57
58    @Override
59    public int compareTo(@Nonnull EncodedValue o) {
60        int res = Ints.compare(getValueType(), o.getValueType());
61        if (res != 0) return res;
62        return Double.compare(getValue(), ((DoubleEncodedValue)o).getValue());
63    }
64
65    public int getValueType() { return ValueType.DOUBLE; }
66}
67