blob: 1eca4aeb977c021a03bdd729170ada14e385919a (
plain)
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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.cluster;
import java.util.Arrays;
import java.util.Collection;
import java.util.Set;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* A data partition.
* <p>
* Partition represents a slice of the data space and is made up of a collection
* of {@link org.onosproject.cluster.ControllerNode nodes}
* that all maintain copies of this data.
*/
public class Partition {
private final String name;
private final Set<NodeId> members;
private Partition() {
name = null;
members = null;
}
public Partition(String name, Collection<NodeId> members) {
this.name = checkNotNull(name);
this.members = ImmutableSet.copyOf(checkNotNull(members));
}
/**
* Returns the partition name.
* <p>
* Each partition is identified by a unique name.
* @return partition name
*/
public String getName() {
return this.name;
}
/**
* Returns the collection of controller node identifiers that make up this partition.
* @return collection of controller node identifiers
*/
public Collection<NodeId> getMembers() {
return this.members;
}
@Override
public int hashCode() {
return Arrays.deepHashCode(new Object[] {name, members});
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (other == null || !Partition.class.isInstance(other)) {
return false;
}
Partition that = (Partition) other;
if (!this.name.equals(that.name) || (this.members == null && that.members != null)
|| (this.members != null && that.members == null) || this.members.size() != that.members.size()) {
return false;
}
return Sets.symmetricDifference(this.members, that.members).isEmpty();
}
}
|
