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/*
* Copyright 2013-2020 the original author or authors.
*
* 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
*
* https://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.springframework.data.cassandra.core.cql.generator;
import java.util.Map;
import org.springframework.data.cassandra.core.cql.keyspace.CreateKeyspaceSpecification;
import org.springframework.data.cassandra.core.cql.keyspace.KeyspaceAttributes;
import org.springframework.data.cassandra.core.cql.keyspace.KeyspaceOption;
import org.springframework.data.cassandra.core.cql.keyspace.Option;
/**
* CQL generator for generating a {@code CREATE TABLE} statement.
*
* @author Matthew T. Adams
* @author Alex Shvid
*/
public class CreateKeyspaceCqlGenerator extends KeyspaceOptionsCqlGenerator {
public CreateKeyspaceCqlGenerator(CreateKeyspaceSpecification specification) {
super(specification);
}
public static String toCql(CreateKeyspaceSpecification specification) {
return new CreateKeyspaceCqlGenerator(specification).toCql();
}
@Override
public StringBuilder toCql(StringBuilder cql) {
preambleCql(cql);
optionsCql(cql);
cql.append(";");
return cql;
}
private void preambleCql(StringBuilder cql) {
cql.append("CREATE KEYSPACE ").append(spec().getIfNotExists() ? "IF NOT EXISTS " : "")
.append(spec().getName().asCql(true));
}
@SuppressWarnings("unchecked")
private void optionsCql(StringBuilder cql) {
cql.append(" ");
// begin options clause
Map options = spec().getOptions();
Object replicationOption = options.get(KeyspaceOption.REPLICATION.getName());
if (replicationOption == null) {
Map