/*
* Copyright 2016 The Simple File Server Authors
*
* Licensed 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.
*/
package org.sfs.elasticsearch.nodes;
import com.google.common.base.Optional;
import io.vertx.core.logging.Logger;
import org.elasticsearch.action.delete.DeleteRequestBuilder;
import org.elasticsearch.action.delete.DeleteResponse;
import org.sfs.Server;
import org.sfs.VertxContext;
import org.sfs.elasticsearch.Elasticsearch;
import org.sfs.elasticsearch.Jsonify;
import org.sfs.vo.PersistentServiceDef;
import rx.Observable;
import rx.functions.Func1;
import static com.google.common.base.Optional.absent;
import static com.google.common.base.Optional.fromNullable;
import static io.vertx.core.logging.LoggerFactory.getLogger;
import static java.lang.String.format;
import static org.elasticsearch.common.unit.TimeValue.timeValueMillis;
public class DeleteServiceDef implements Func1<PersistentServiceDef, Observable<Optional<PersistentServiceDef>>> {
private static final Logger LOGGER = getLogger(DeleteServiceDef.class);
private final VertxContext<Server> vertxContext;
public DeleteServiceDef(VertxContext<Server> vertxContext) {
this.vertxContext = vertxContext;
}
@Override
public Observable<Optional<PersistentServiceDef>> call(final PersistentServiceDef persistentServiceDef) {
final Elasticsearch elasticSearch = vertxContext.verticle().elasticsearch();
final String id = persistentServiceDef.getId();
if (LOGGER.isDebugEnabled()) {
LOGGER.debug(format("Request {%s,%s,%s}", elasticSearch.defaultType(), elasticSearch.serviceDefTypeIndex(), id));
}
DeleteRequestBuilder request =
elasticSearch.get()
.prepareDelete(
elasticSearch.serviceDefTypeIndex(),
elasticSearch.defaultType(),
id)
.setTimeout(timeValueMillis(elasticSearch.getDefaultDeleteTimeout() - 10))
.setVersion(persistentServiceDef.getVersion());
return elasticSearch.execute(vertxContext, request, elasticSearch.getDefaultDeleteTimeout())
.map(new Func1<Optional<DeleteResponse>, Optional<PersistentServiceDef>>() {
@Override
public Optional<PersistentServiceDef> call(Optional<DeleteResponse> oDeleteResponse) {
if (oDeleteResponse.isPresent()) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug(format("Response {%s,%s,%s} = %s", elasticSearch.defaultType(), elasticSearch.serviceDefTypeIndex(), id, Jsonify.toString(oDeleteResponse.get())));
}
return fromNullable(persistentServiceDef);
} else {
LOGGER.debug(format("Response {%s,%s,%s} = %s", elasticSearch.defaultType(), elasticSearch.serviceDefTypeIndex(), id, "null"));
return absent();
}
}
});
}
}