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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.cluster.block;
import org.elasticsearch.Version;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.xcontent.ToXContentFragment;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.RestStatus;
import java.io.IOException;
import java.util.EnumSet;
import java.util.Locale;
import java.util.Objects;
public class ClusterBlock implements Writeable, ToXContentFragment {
private final int id;
@Nullable private final String uuid;
private final String description;
private final EnumSet levels;
private final boolean retryable;
private final boolean disableStatePersistence;
private final boolean allowReleaseResources;
private final RestStatus status;
public ClusterBlock(StreamInput in) throws IOException {
id = in.readVInt();
if (in.getVersion().onOrAfter(Version.V_6_7_0)) {
uuid = in.readOptionalString();
} else {
uuid = null;
}
description = in.readString();
this.levels = in.readEnumSet(ClusterBlockLevel.class);
retryable = in.readBoolean();
disableStatePersistence = in.readBoolean();
status = RestStatus.readFrom(in);
allowReleaseResources = in.readBoolean();
}
public ClusterBlock(int id, String description, boolean retryable, boolean disableStatePersistence,
boolean allowReleaseResources, RestStatus status, EnumSet levels) {
this(id, null, description, retryable, disableStatePersistence, allowReleaseResources, status, levels);
}
public ClusterBlock(int id, String uuid, String description, boolean retryable, boolean disableStatePersistence,
boolean allowReleaseResources, RestStatus status, EnumSet levels) {
this.id = id;
this.uuid = uuid;
this.description = description;
this.retryable = retryable;
this.disableStatePersistence = disableStatePersistence;
this.status = status;
this.levels = levels;
this.allowReleaseResources = allowReleaseResources;
}
public int id() {
return this.id;
}
@Nullable
public String uuid() {
return uuid;
}
public String description() {
return this.description;
}
public RestStatus status() {
return this.status;
}
public EnumSet levels() {
return this.levels;
}
public boolean contains(ClusterBlockLevel level) {
for (ClusterBlockLevel testLevel : levels) {
if (testLevel == level) {
return true;
}
}
return false;
}
/**
* Should operations get into retry state if this block is present.
*/
public boolean retryable() {
return this.retryable;
}
/**
* Should global state persistence be disabled when this block is present. Note,
* only relevant for global blocks.
*/
public boolean disableStatePersistence() {
return this.disableStatePersistence;
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(Integer.toString(id));
if (uuid != null) {
builder.field("uuid", uuid);
}
builder.field("description", description);
builder.field("retryable", retryable);
if (disableStatePersistence) {
builder.field("disable_state_persistence", disableStatePersistence);
}
builder.startArray("levels");
for (ClusterBlockLevel level : levels) {
builder.value(level.name().toLowerCase(Locale.ROOT));
}
builder.endArray();
builder.endObject();
return builder;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVInt(id);
if (out.getVersion().onOrAfter(Version.V_6_7_0)) {
out.writeOptionalString(uuid);
}
out.writeString(description);
out.writeEnumSet(levels);
out.writeBoolean(retryable);
out.writeBoolean(disableStatePersistence);
RestStatus.writeTo(out, status);
out.writeBoolean(allowReleaseResources);
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(id).append(",");
if (uuid != null) {
sb.append(uuid).append(',');
}
sb.append(description).append(", blocks ");
String delimiter = "";
for (ClusterBlockLevel level : levels) {
sb.append(delimiter).append(level.name());
delimiter = ",";
}
return sb.toString();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final ClusterBlock that = (ClusterBlock) o;
return id == that.id && Objects.equals(uuid, that.uuid);
}
@Override
public int hashCode() {
return Objects.hash(id, uuid);
}
public boolean isAllowReleaseResources() {
return allowReleaseResources;
}
}