com.datastax.dse.driver.api.querybuilder.schema.CreateDseKeyspaceStart Maven / Gradle / Ivy
/*
* Copyright DataStax, Inc.
*
* 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 com.datastax.dse.driver.api.querybuilder.schema;
import com.datastax.oss.driver.api.querybuilder.schema.KeyspaceReplicationOptions;
import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableMap;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.util.Map;
public interface CreateDseKeyspaceStart extends KeyspaceReplicationOptions {
/**
* Adds IF NOT EXISTS to the create keyspace specification. This indicates that the keyspace
* should not be created it already exists.
*/
@NonNull
CreateDseKeyspaceStart ifNotExists();
/**
* Adds 'replication' options. One should only use this when they have a custom replication
* strategy, otherwise it is advisable to use {@link #withSimpleStrategy(int)} or {@link
* #withNetworkTopologyStrategy(Map)}.
*/
@NonNull
@Override
CreateDseKeyspace withReplicationOptions(@NonNull Map replicationOptions);
/**
* Adds SimpleStrategy replication options with the given replication factor.
*
* Note that using this will overwrite any previous use of this method or {@link
* #withNetworkTopologyStrategy(Map)}.
*/
@NonNull
@Override
default CreateDseKeyspace withSimpleStrategy(int replicationFactor) {
ImmutableMap replication =
ImmutableMap.builder()
.put("class", "SimpleStrategy")
.put("replication_factor", replicationFactor)
.build();
return withReplicationOptions(replication);
}
/**
* Adds NetworkTopologyStrategy replication options with the given data center replication
* factors.
*
* Note that using this will overwrite any previous use of this method or {@link
* #withSimpleStrategy(int)}.
*
* @param replications Mapping of data center name to replication factor to use for that data
* center.
*/
@NonNull
@Override
default CreateDseKeyspace withNetworkTopologyStrategy(
@NonNull Map replications) {
ImmutableMap.Builder replicationBuilder =
ImmutableMap.builder().put("class", "NetworkTopologyStrategy");
for (Map.Entry replication : replications.entrySet()) {
replicationBuilder.put(replication.getKey(), replication.getValue());
}
return withReplicationOptions(replicationBuilder.build());
}
}