org.elasticsearch.xpack.core.ml.dataframe.DataFrameAnalyticsState Maven / Gradle / Ivy
/*
* 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; you may not use this file except in compliance with the Elastic License
* 2.0.
*/
package org.elasticsearch.xpack.core.ml.dataframe;
import org.elasticsearch.Version;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import java.io.IOException;
import java.util.Arrays;
import java.util.Locale;
public enum DataFrameAnalyticsState implements Writeable {
// States reindexing and analyzing are no longer used.
// However, we need to keep them for BWC as tasks may be
// awaiting assignment in older versioned nodes.
STARTED, REINDEXING, ANALYZING, STOPPING, STOPPED, FAILED, STARTING;
public static DataFrameAnalyticsState fromString(String name) {
return valueOf(name.trim().toUpperCase(Locale.ROOT));
}
public static DataFrameAnalyticsState fromStream(StreamInput in) throws IOException {
return in.readEnum(DataFrameAnalyticsState.class);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
DataFrameAnalyticsState toWrite = this;
if (out.getVersion().before(Version.V_7_5_0) && toWrite == STARTING) {
// Before 7.5.0 there was no STARTING state and jobs for which
// tasks existed but were unassigned were considered STOPPED
toWrite = STOPPED;
}
out.writeEnum(toWrite);
}
@Override
public String toString() {
return name().toLowerCase(Locale.ROOT);
}
/**
* @return {@code true} if state matches any of the given {@code candidates}
*/
public boolean isAnyOf(DataFrameAnalyticsState... candidates) {
return Arrays.stream(candidates).anyMatch(candidate -> this == candidate);
}
/**
* @return {@code false} if state matches any of the given {@code candidates}
*/
public boolean isNoneOf(DataFrameAnalyticsState... candidates) {
return Arrays.stream(candidates).noneMatch(candidate -> this == candidate);
}
}