| /* |
| * 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 io.mifos.core.cassandra.core; |
| |
| import com.datastax.driver.core.ConsistencyLevel; |
| import com.datastax.driver.mapping.Mapper; |
| import io.mifos.core.cassandra.util.CassandraConnectorConstants; |
| import org.springframework.core.env.Environment; |
| import org.springframework.util.Assert; |
| |
| import javax.annotation.Nonnull; |
| import java.util.HashMap; |
| |
| @SuppressWarnings("WeakerAccess") |
| public final class OptionProvider { |
| |
| private static final HashMap<String, Mapper.Option> CACHED_OPTIONS = new HashMap<>(); |
| |
| private OptionProvider() { |
| super(); |
| } |
| |
| @Nonnull |
| public static Mapper.Option deleteConsistencyLevel(@Nonnull final Environment env) { |
| Assert.notNull(env, "An environment must be given!"); |
| if (OptionProvider.CACHED_OPTIONS.isEmpty()) { |
| OptionProvider.lazyOptionInit(env); |
| } |
| return OptionProvider.CACHED_OPTIONS.get(CassandraConnectorConstants.CONSISTENCY_LEVEL_DELETE_PROP); |
| } |
| |
| @Nonnull |
| public static Mapper.Option readConsistencyLevel(@Nonnull final Environment env) { |
| Assert.notNull(env, "An environment must be given!"); |
| if (OptionProvider.CACHED_OPTIONS.isEmpty()) { |
| OptionProvider.lazyOptionInit(env); |
| } |
| return OptionProvider.CACHED_OPTIONS.get(CassandraConnectorConstants.CONSISTENCY_LEVEL_READ_PROP); |
| } |
| |
| @Nonnull |
| public static Mapper.Option writeConsistencyLevel(@Nonnull final Environment env) { |
| Assert.notNull(env, "An environment must be given!"); |
| if (OptionProvider.CACHED_OPTIONS.isEmpty()) { |
| OptionProvider.lazyOptionInit(env); |
| } |
| return OptionProvider.CACHED_OPTIONS.get(CassandraConnectorConstants.CONSISTENCY_LEVEL_WRITE_PROP); |
| } |
| |
| private static void lazyOptionInit(final Environment env) { |
| OptionProvider.CACHED_OPTIONS.put(CassandraConnectorConstants.CONSISTENCY_LEVEL_DELETE_PROP, |
| Mapper.Option.consistencyLevel( |
| ConsistencyLevel.valueOf( |
| env.getProperty(CassandraConnectorConstants.CONSISTENCY_LEVEL_DELETE_PROP, |
| CassandraConnectorConstants.CONSISTENCY_LEVEL_PROP_DEFAULT)))); |
| |
| OptionProvider.CACHED_OPTIONS.put(CassandraConnectorConstants.CONSISTENCY_LEVEL_READ_PROP, |
| Mapper.Option.consistencyLevel( |
| ConsistencyLevel.valueOf( |
| env.getProperty(CassandraConnectorConstants.CONSISTENCY_LEVEL_READ_PROP, |
| CassandraConnectorConstants.CONSISTENCY_LEVEL_PROP_DEFAULT)))); |
| |
| OptionProvider.CACHED_OPTIONS.put(CassandraConnectorConstants.CONSISTENCY_LEVEL_WRITE_PROP, |
| Mapper.Option.consistencyLevel( |
| ConsistencyLevel.valueOf( |
| env.getProperty(CassandraConnectorConstants.CONSISTENCY_LEVEL_WRITE_PROP, |
| CassandraConnectorConstants.CONSISTENCY_LEVEL_PROP_DEFAULT)))); |
| } |
| } |