| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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. |
| */ |
| package org.apache.rya.api.client.accumulo; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import java.util.List; |
| |
| import org.apache.accumulo.core.client.Connector; |
| import org.apache.fluo.api.client.FluoClient; |
| import org.apache.rya.api.client.GetInstanceDetails; |
| import org.apache.rya.api.client.InstanceDoesNotExistException; |
| import org.apache.rya.api.client.ListIncrementalQueries; |
| import org.apache.rya.api.client.RyaClientException; |
| import org.apache.rya.api.instance.RyaDetails; |
| import org.apache.rya.api.instance.RyaDetails.PCJIndexDetails; |
| import org.apache.rya.api.instance.RyaDetails.PCJIndexDetails.FluoDetails; |
| import org.apache.rya.indexing.pcj.fluo.api.ListFluoQueries; |
| |
| import com.google.common.base.Joiner; |
| import com.google.common.base.Optional; |
| |
| import edu.umd.cs.findbugs.annotations.DefaultAnnotation; |
| import edu.umd.cs.findbugs.annotations.NonNull; |
| |
| @DefaultAnnotation(NonNull.class) |
| public class AccumuloListIncrementalQueries extends AccumuloCommand implements ListIncrementalQueries { |
| |
| private final GetInstanceDetails getInstanceDetails; |
| |
| public AccumuloListIncrementalQueries(final AccumuloConnectionDetails connectionDetails, final Connector connector) { |
| super(connectionDetails, connector); |
| getInstanceDetails = new AccumuloGetInstanceDetails(connectionDetails, connector); |
| } |
| |
| @Override |
| public String listIncrementalQueries(String instanceName) throws RyaClientException { |
| |
| requireNonNull(instanceName); |
| |
| final Optional<RyaDetails> ryaDetailsHolder = getInstanceDetails.getDetails(instanceName); |
| final boolean ryaInstanceExists = ryaDetailsHolder.isPresent(); |
| if (!ryaInstanceExists) { |
| throw new InstanceDoesNotExistException(String.format("The '%s' instance of Rya does not exist.", instanceName)); |
| } |
| |
| final PCJIndexDetails pcjIndexDetails = ryaDetailsHolder.get().getPCJIndexDetails(); |
| final boolean pcjIndexingEnabeld = pcjIndexDetails.isEnabled(); |
| if (!pcjIndexingEnabeld) { |
| throw new RyaClientException(String.format("The '%s' instance of Rya does not have PCJ Indexing enabled.", instanceName)); |
| } |
| |
| // If a Fluo application is being used, task it with updating the PCJ. |
| final Optional<FluoDetails> fluoDetailsHolder = pcjIndexDetails.getFluoDetails(); |
| if (fluoDetailsHolder.isPresent()) { |
| final String fluoAppName = fluoDetailsHolder.get().getUpdateAppName(); |
| try { |
| return getFluoQueryString(instanceName, fluoAppName); |
| } catch (Exception e) { |
| throw new RyaClientException("Problem while creating Fluo Query Strings.", e); |
| } |
| } else { |
| throw new RyaClientException(String.format("The '%s' instance of Rya does not have Fluo incremental updating enabled.", instanceName)); |
| } |
| } |
| |
| |
| private String getFluoQueryString(final String ryaInstance, final String fluoAppName) throws Exception { |
| |
| // Connect to the Fluo application that is updating this instance's PCJs. |
| final AccumuloConnectionDetails cd = super.getAccumuloConnectionDetails(); |
| try(final FluoClient fluoClient = new FluoClientFactory().connect( |
| cd.getUsername(), |
| new String(cd.getUserPass()), |
| cd.getInstanceName(), |
| cd.getZookeepers(), |
| fluoAppName);) { |
| // Initialize the PCJ within the Fluo application. |
| ListFluoQueries listQueries = new ListFluoQueries(); |
| List<String> queries = listQueries.listFluoQueries(fluoClient); |
| return Joiner.on("\n").join(queries); |
| } |
| } |
| |
| } |