org.springframework.data.cassandra.core.cql.generator.DropTableCqlGenerator Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of spring-data-cassandra Show documentation
Show all versions of spring-data-cassandra Show documentation
Cassandra support for Spring Data
/*
* Copyright 2013-2018 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
*
* 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.springframework.data.cassandra.core.cql.generator;
import org.springframework.data.cassandra.core.cql.keyspace.DropTableSpecification;
/**
* CQL generator for generating a {@code DROP TABLE} statement.
*
* @author Matthew T. Adams
* @author Mark Paluch
* @see org.springframework.data.cassandra.core.cql.generator.TableNameCqlGenerator
* @see org.springframework.data.cassandra.core.cql.keyspace.DropTableSpecification
*/
public class DropTableCqlGenerator extends TableNameCqlGenerator {
public static String toCql(DropTableSpecification specification) {
return new DropTableCqlGenerator(specification).toCql();
}
public DropTableCqlGenerator(DropTableSpecification specification) {
super(specification);
}
@Override
public StringBuilder toCql(StringBuilder cql) {
DropTableSpecification specification = spec();
return cql.append("DROP TABLE ")
.append(specification.getIfExists() ? "IF EXISTS " : "")
.append(specification.getName()).append(";");
}
}