org.elasticsearch.action.admin.indices.template.delete.TransportDeleteIndexTemplateAction Maven / Gradle / Ivy
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* the Apache License, Version 2.0 (the "License"); you may
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.action.admin.indices.template.delete;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.support.master.TransportMasterNodeOperationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.block.ClusterBlockException;
import org.elasticsearch.cluster.block.ClusterBlockLevel;
import org.elasticsearch.cluster.metadata.MetaDataIndexTemplateService;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
* Delete index action.
*/
public class TransportDeleteIndexTemplateAction extends TransportMasterNodeOperationAction {
private final MetaDataIndexTemplateService indexTemplateService;
@Inject
public TransportDeleteIndexTemplateAction(Settings settings, TransportService transportService, ClusterService clusterService,
ThreadPool threadPool, MetaDataIndexTemplateService indexTemplateService) {
super(settings, transportService, clusterService, threadPool);
this.indexTemplateService = indexTemplateService;
}
@Override
protected String executor() {
// we go async right away
return ThreadPool.Names.SAME;
}
@Override
protected String transportAction() {
return DeleteIndexTemplateAction.NAME;
}
@Override
protected DeleteIndexTemplateRequest newRequest() {
return new DeleteIndexTemplateRequest();
}
@Override
protected DeleteIndexTemplateResponse newResponse() {
return new DeleteIndexTemplateResponse();
}
@Override
protected ClusterBlockException checkBlock(DeleteIndexTemplateRequest request, ClusterState state) {
return state.blocks().indexBlockedException(ClusterBlockLevel.METADATA, "");
}
@Override
protected void masterOperation(final DeleteIndexTemplateRequest request, final ClusterState state, final ActionListener listener) throws ElasticsearchException {
indexTemplateService.removeTemplates(new MetaDataIndexTemplateService.RemoveRequest(request.name()).masterTimeout(request.masterNodeTimeout()), new MetaDataIndexTemplateService.RemoveListener() {
@Override
public void onResponse(MetaDataIndexTemplateService.RemoveResponse response) {
listener.onResponse(new DeleteIndexTemplateResponse(response.acknowledged()));
}
@Override
public void onFailure(Throwable t) {
logger.debug("failed to delete templates [{}]", t, request.name());
listener.onFailure(t);
}
});
}
}