| /** |
| * 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.AccumuloException; |
| import org.apache.accumulo.core.client.AccumuloSecurityException; |
| import org.apache.accumulo.core.client.Connector; |
| import org.apache.accumulo.core.client.TableNotFoundException; |
| import org.apache.accumulo.core.client.admin.TableOperations; |
| import org.apache.log4j.Logger; |
| import org.apache.rya.accumulo.utils.RyaTableNames; |
| import org.apache.rya.api.client.InstanceDoesNotExistException; |
| import org.apache.rya.api.client.InstanceExists; |
| import org.apache.rya.api.client.RyaClientException; |
| import org.apache.rya.api.client.Uninstall; |
| import org.apache.rya.api.instance.RyaDetailsRepository.RyaDetailsRepositoryException; |
| import org.apache.rya.api.log.LogUtils; |
| import org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage.PCJStorageException; |
| |
| import edu.umd.cs.findbugs.annotations.DefaultAnnotation; |
| import edu.umd.cs.findbugs.annotations.NonNull; |
| |
| /** |
| * An Accumulo implementation of the {@link Uninstall} command. |
| */ |
| @DefaultAnnotation(NonNull.class) |
| public class AccumuloUninstall extends AccumuloCommand implements Uninstall { |
| |
| private static final Logger log = Logger.getLogger(AccumuloUninstall.class); |
| |
| private final InstanceExists instanceExists; |
| |
| /** |
| * Constructs an instance of {@link AccumuloUninstall}. |
| * |
| * @param connectionDetails - Details about the values that were used to create |
| * the connector to the cluster. (not null) |
| * @param connector - Provides programmatic access to the instance of Accumulo |
| * that hosts Rya instance. (not null) |
| */ |
| public AccumuloUninstall(final AccumuloConnectionDetails connectionDetails, final Connector connector) { |
| super(connectionDetails, connector); |
| instanceExists = new AccumuloInstanceExists(connectionDetails, connector); |
| } |
| |
| @Override |
| public void uninstall(final String ryaInstanceName) throws InstanceDoesNotExistException, RyaClientException { |
| requireNonNull(ryaInstanceName); |
| |
| // Ensure the Rya Instance exists. |
| if(!instanceExists.exists(ryaInstanceName)) { |
| throw new InstanceDoesNotExistException(String.format("There is no Rya instance named '%s'.", ryaInstanceName)); |
| } |
| |
| try { |
| // Build the list of tables that are present within the Rya instance. |
| final List<String> tables = new RyaTableNames().getTableNames(ryaInstanceName, getConnector()); |
| |
| // Delete them. |
| final TableOperations tableOps = getConnector().tableOperations(); |
| for(final String table : tables) { |
| try { |
| tableOps.delete(table); |
| } catch(final TableNotFoundException e) { |
| log.warn("Uninstall could not delete table named '" + LogUtils.clean(table) |
| + "' because it does not exist. " |
| + "Something else is also deleting tables."); |
| } |
| } |
| } catch (PCJStorageException | RyaDetailsRepositoryException e) { |
| throw new RyaClientException("Could not uninstall the Rya instance named '" + ryaInstanceName + |
| "' because we could not determine which tables are associated with it.", e); |
| } catch (AccumuloException | AccumuloSecurityException e) { |
| throw new RyaClientException("Could not uninstall the Rya instance named '" + ryaInstanceName + |
| "' because of a problem interacting with Accumulo..", e); |
| } |
| } |
| } |