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
|
// Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.application.api;
import com.yahoo.config.provision.RegionName;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
/**
* Represents a (global) endpoint in 'deployments.xml'. It contains the name of the
* endpoint (endpointId) and the name of the container cluster that the endpoint
* should point to.
*
* If the endpoint is not set it will default to the string "default".
*
* @author ogronnesby
*/
public class Endpoint {
/*
* Endpoint IDs must be:
* - lowercase
* - alphanumeric
* - begin with a character
* - contain zero consecutive dashes
* - have a length between 1 and 12
*/
private static final Pattern endpointPattern = Pattern.compile("^[a-z](?:-?[a-z0-9]+)*$");
private static final int endpointMaxLength = 12;
private static final String defaultEndpointId = "default";
private final Optional<String> endpointId;
private final String containerId;
private final Set<RegionName> regions;
public Endpoint(Optional<String> endpointId, String containerId, Set<String> regions) {
this.endpointId = Objects.requireNonNull(endpointId, "endpointId must be non-null");
this.containerId = Objects.requireNonNull(containerId, "containerId must be non-null");
this.regions = Set.copyOf(
Objects.requireNonNull(
regions.stream().map(RegionName::from).collect(Collectors.toList()),
"Missing 'regions' parameter"));
if (endpointId().length() > endpointMaxLength || !endpointPattern.matcher(endpointId()).matches()) {
throw new IllegalArgumentException("Invalid endpoint ID: '" + endpointId() + "'");
}
}
public String endpointId() {
return endpointId.orElse(defaultEndpointId);
}
public String containerId() {
return containerId;
}
public Set<RegionName> regions() {
return regions;
}
public Endpoint withRegions(Set<String> regions) {
return new Endpoint(endpointId, containerId, regions);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Endpoint endpoint = (Endpoint) o;
return Objects.equals(endpointId, endpoint.endpointId) &&
Objects.equals(containerId, endpoint.containerId) &&
Objects.equals(regions, endpoint.regions);
}
@Override
public int hashCode() {
return Objects.hash(endpointId, containerId, regions);
}
@Override
public String toString() {
return "endpoint '" + endpointId() + "' (cluster " + containerId + ") -> " +
regions.stream().map(RegionName::value).sorted().collect(Collectors.joining(", "));
}
}
|
