| /* |
| * 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.cassandra.cql3.statements.schema; |
| |
| import java.util.*; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| import org.apache.cassandra.cql3.statements.PropertyDefinitions; |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| import org.apache.cassandra.schema.KeyspaceParams; |
| import org.apache.cassandra.schema.KeyspaceParams.Option; |
| import org.apache.cassandra.schema.ReplicationParams; |
| |
| public final class KeyspaceAttributes extends PropertyDefinitions |
| { |
| private static final Set<String> validKeywords; |
| private static final Set<String> obsoleteKeywords; |
| |
| static |
| { |
| ImmutableSet.Builder<String> validBuilder = ImmutableSet.builder(); |
| for (Option option : Option.values()) |
| validBuilder.add(option.toString()); |
| validKeywords = validBuilder.build(); |
| obsoleteKeywords = ImmutableSet.of(); |
| } |
| |
| public void validate() |
| { |
| validate(validKeywords, obsoleteKeywords); |
| |
| Map<String, String> replicationOptions = getAllReplicationOptions(); |
| if (!replicationOptions.isEmpty() && !replicationOptions.containsKey(ReplicationParams.CLASS)) |
| throw new ConfigurationException("Missing replication strategy class"); |
| } |
| |
| public String getReplicationStrategyClass() |
| { |
| return getAllReplicationOptions().get(ReplicationParams.CLASS); |
| } |
| |
| private Map<String, String> getAllReplicationOptions() |
| { |
| Map<String, String> replication = getMap(Option.REPLICATION.toString()); |
| return replication == null |
| ? Collections.emptyMap() |
| : replication; |
| } |
| |
| KeyspaceParams asNewKeyspaceParams() |
| { |
| boolean durableWrites = getBoolean(Option.DURABLE_WRITES.toString(), KeyspaceParams.DEFAULT_DURABLE_WRITES); |
| return KeyspaceParams.create(durableWrites, getAllReplicationOptions()); |
| } |
| |
| KeyspaceParams asAlteredKeyspaceParams(KeyspaceParams previous) |
| { |
| boolean durableWrites = getBoolean(Option.DURABLE_WRITES.toString(), previous.durableWrites); |
| Map<String, String> previousOptions = previous.replication.options; |
| ReplicationParams replication = getReplicationStrategyClass() == null |
| ? previous.replication |
| : ReplicationParams.fromMapWithDefaults(getAllReplicationOptions(), previousOptions); |
| return new KeyspaceParams(durableWrites, replication); |
| } |
| |
| public boolean hasOption(Option option) |
| { |
| return hasProperty(option.toString()); |
| } |
| } |