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InstanceConfig.java
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InstanceConfig.java
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/*
* Copyright 2017 Google LLC
*
* 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 com.google.cloud.spanner;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
/**
* Represents a Cloud Spanner instance config.{@code InstanceConfig} adds a layer of service related
* functionality over {@code InstanceConfigInfo}.
*/
public class InstanceConfig extends InstanceConfigInfo {
private final InstanceAdminClient client;
public InstanceConfig(InstanceConfigId id, String displayName, InstanceAdminClient client) {
this(id, displayName, Collections.emptyList(), Collections.emptyList(), client);
}
public InstanceConfig(
InstanceConfigId id,
String displayName,
List<ReplicaInfo> replicas,
List<String> leaderOptions,
InstanceAdminClient client) {
super(id, displayName, replicas, leaderOptions);
this.client = client;
}
/** Gets the current state of this instance config. */
public InstanceConfig reload() {
return client.getInstanceConfig(getId().getInstanceConfig());
}
static InstanceConfig fromProto(
com.google.spanner.admin.instance.v1.InstanceConfig proto, InstanceAdminClient client) {
return new InstanceConfig(
InstanceConfigId.of(proto.getName()),
proto.getDisplayName(),
proto.getReplicasList().stream().map(ReplicaInfo::fromProto).collect(Collectors.toList()),
proto.getLeaderOptionsList(),
client);
}
}