com.thematchbox.river.rest.RestResetIndexerStatusAction Maven / Gradle / Ivy

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This project contains an abstract implementation of an ElasticSearch River and is used as a basis for custom river implementations.

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package com.thematchbox.river.rest;

import com.thematchbox.river.actions.IndexKey;
import com.thematchbox.river.indexers.MatchBoxIndexerManager;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.json.JsonXContent;
import org.elasticsearch.rest.*;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class RestResetIndexerStatusAction extends BaseRestHandler {

    public static final String INDEX_NAME = "indexName";
    public static final String INDEX_TYPE = "indexType";

    private MatchBoxIndexerManager riverIndexingManager;

    @Inject
    public RestResetIndexerStatusAction(Settings settings, RestController controller, Client client, MatchBoxIndexerManager riverIndexingManager) {
        super(settings, controller, client);
        this.riverIndexingManager = riverIndexingManager;
        controller.registerHandler(RestRequest.Method.DELETE, "/_matchboxClearIndexerStatus", this);
        controller.registerHandler(RestRequest.Method.DELETE, "/_matchboxClearIndexerStatus/{" + INDEX_NAME + "}", this);
        controller.registerHandler(RestRequest.Method.DELETE, "/_matchboxClearIndexerStatus/{" + INDEX_NAME + "}/{"+ INDEX_TYPE + "}", this);
    }

    @Override
    protected void handleRequest(RestRequest request, RestChannel channel, Client client) throws Exception {
        final String indexName = request.hasParam(INDEX_NAME) ? request.param(INDEX_NAME) : null;
        final String indexType = request.hasParam(INDEX_TYPE) ? request.param(INDEX_TYPE) : null;

        List keys = riverIndexingManager.getMatchingKeys(indexName, indexType);
        Map responseMap = new HashMap<>();
        for (IndexKey key : keys) {
            responseMap.put(key, riverIndexingManager.clearStatus(key));
        }

        try {
            XContentBuilder builder = JsonXContent.contentBuilder();
            RestHelper.appendResponseMap(builder, responseMap);

            channel.sendResponse(new BytesRestResponse(RestStatus.OK, builder));
        } catch (IOException e) {
            failed(channel, e);
        }

    }

    private void failed(RestChannel channel, Throwable e) {
        try {
            channel.sendResponse(new BytesRestResponse(channel, e));
        } catch (IOException e1) {
            logger.error("Failed to send failure response", e1);
        }
    }

}