/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate licenses
* this file to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.executor.transport.task.elasticsearch;
import com.google.common.util.concurrent.SettableFuture;
import io.crate.executor.TaskResult;
import io.crate.executor.transport.task.AbstractChainedTask;
import io.crate.planner.node.ddl.ESDeleteIndexNode;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
import org.elasticsearch.action.admin.indices.delete.DeleteIndexResponse;
import org.elasticsearch.action.admin.indices.delete.TransportDeleteIndexAction;
import org.elasticsearch.action.support.IndicesOptions;
import java.util.List;
public class ESDeleteIndexTask extends AbstractChainedTask {
private static final TaskResult RESULT = TaskResult.ONE_ROW;
private static final TaskResult RESULT_PARTITION = TaskResult.ROW_COUNT_UNKNOWN;
private final TransportDeleteIndexAction transport;
private final DeleteIndexRequest request;
private final ActionListener<DeleteIndexResponse> listener;
static class DeleteIndexListener implements ActionListener<DeleteIndexResponse> {
private final SettableFuture<TaskResult> future;
private final boolean isPartition;
DeleteIndexListener(SettableFuture<TaskResult> future, boolean isPartition) {
this.future = future;
this.isPartition = isPartition;
}
@Override
public void onResponse(DeleteIndexResponse deleteIndexResponse) {
if (isPartition) {
future.set(RESULT_PARTITION);
} else {
future.set(RESULT);
}
}
@Override
public void onFailure(Throwable e) {
future.setException(e);
}
}
public ESDeleteIndexTask(TransportDeleteIndexAction transport, ESDeleteIndexNode node) {
super();
this.transport = transport;
this.request = new DeleteIndexRequest(node.index());
this.request.indicesOptions(IndicesOptions.strictExpandOpen());
this.listener = new DeleteIndexListener(result, node.isPartition());
}
@Override
protected void doStart(List<TaskResult> upstreamResults) {
transport.execute(request, listener);
}
}