blob: d89db56e4d2b82188e69ffee5936ee51c577875a (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.cgroup;
import java.util.Objects;
/**
* Represents a number of bytes or possibly "max".
*
* @author hakonhall
*/
public class Size {
private static final String MAX = "max";
private static final Size MAX_SIZE = new Size(true, 0);
private final boolean max;
private final long value;
public static Size max() {
return MAX_SIZE;
}
public static Size from(long value) {
return new Size(false, value);
}
public static Size from(String value) {
return value.equals(MAX) ? MAX_SIZE : new Size(false, Long.parseLong(value));
}
private Size(boolean max, long value) {
this.max = max;
this.value = value;
}
public boolean isMax() {
return max;
}
/** Returns the value, i.e. the number of "bytes" if applicable. Throws if this is max. */
public long value() {
if (max) throw new IllegalStateException("Value is max");
return value;
}
public String toFileContent() { return toString() + '\n'; }
@Override
public String toString() { return max ? MAX : Long.toString(value); }
public boolean isGreaterThan(Size that) {
if (that.max) return false;
if (this.max) return true;
return this.value > that.value;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Size size = (Size) o;
return max == size.max && value == size.value;
}
@Override
public int hashCode() {
return Objects.hash(max, value);
}
}
|
