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Elasticsearch Expanded Pack Plugin - Core

There is a newer version: 8.13.2

/*
 * 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.ilm;

import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.common.xcontent.ToXContentObject;
import org.elasticsearch.index.Index;

/**
 * Checks whether a condition has been met based on the cluster state.
 *
 * If checking a condition not based on the cluster state, or which may take time to evaluate, use {@link AsyncWaitStep}.
 */
public abstract class ClusterStateWaitStep extends Step {

    public ClusterStateWaitStep(StepKey key, StepKey nextStepKey) {
        super(key, nextStepKey);
    }

    public abstract Result isConditionMet(Index index, ClusterState clusterState);

    public static class Result {
        private final boolean complete;
        private final ToXContentObject infomationContext;

        public Result(boolean complete, ToXContentObject infomationContext) {
            this.complete = complete;
            this.infomationContext = infomationContext;
        }

        public boolean isComplete() {
            return complete;
        }

        public ToXContentObject getInfomationContext() {
            return infomationContext;
        }
    }

}