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
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server.tenant;
import com.yahoo.config.provision.TenantName;
import com.yahoo.slime.Cursor;
import com.yahoo.slime.Inspector;
import com.yahoo.slime.Slime;
import com.yahoo.slime.SlimeUtils;
import com.yahoo.text.Utf8;
import java.io.IOException;
import java.time.Instant;
/**
* Meta data for a tenant like tenant name, tenant creation time and last deployment time, stored in ZooKeeper
*
* @author hmusum
*/
public class TenantMetaData {
private static final String createTimestampKey = "createTimestampKey";
private static final String lastDeployTimestampKey = "lastDeployTimestamp";
private final TenantName tenantName;
private final Instant created;
private final Instant lastDeployed;
public TenantMetaData(TenantName tenantName, Instant lastDeployed, Instant created) {
this.tenantName = tenantName;
this.created = created;
this.lastDeployed = lastDeployed;
}
public TenantMetaData withLastDeployTimestamp(Instant deployTimestamp) {
return new TenantMetaData(tenantName, deployTimestamp, created);
}
public TenantName tenantName() {
return tenantName;
}
public Instant lastDeployTimestamp() {
return lastDeployed;
}
public Instant createdTimestamp() {
return created;
}
public byte[] asJsonBytes() {
try {
return SlimeUtils.toJsonBytes(getSlime());
} catch (IOException e) {
throw new RuntimeException("Unable to encode metadata", e);
}
}
public static TenantMetaData fromJsonString(TenantName tenantName, String jsonString) {
try {
Slime data = SlimeUtils.jsonToSlime(jsonString);
Inspector root = data.get();
Inspector created = root.field(createTimestampKey);
Inspector lastDeployTimestamp = root.field(lastDeployTimestampKey);
return new TenantMetaData(tenantName,
Instant.ofEpochMilli(lastDeployTimestamp.asLong()),
Instant.ofEpochMilli(created.asLong()));
} catch (Exception e) {
throw new IllegalArgumentException("Error parsing json metadata", e);
}
}
private Slime getSlime() {
Slime slime = new Slime();
Cursor meta = slime.setObject();
meta.setLong(createTimestampKey, created.toEpochMilli());
meta.setLong(lastDeployTimestampKey, lastDeployed.toEpochMilli());
return slime;
}
@Override
public String toString() {
return tenantName + ": " + Utf8.toString(asJsonBytes());
}
}
|
