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Cassandra support for Spring Data
/*
* 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.keyspace;
import org.springframework.data.cassandra.core.cql.CqlIdentifier;
/**
* Object to configure a {@code DROP TABLE} specification.
*
* @author Matthew T. Adams
* @author Mark Paluch
*/
public class DropTableSpecification extends TableNameSpecification {
private boolean ifExists = false;
private DropTableSpecification(CqlIdentifier name) {
super(name);
}
/**
* Entry point into the {@link DropTableSpecification}'s fluent API {@code tableName} to drop a table. Convenient if
* imported statically.
*
* @param tableName must not be {@literal null} or empty.
* @return a new {@link DropTableSpecification}.
*/
public static DropTableSpecification dropTable(String tableName) {
return dropTable(CqlIdentifier.of(tableName));
}
/**
* Entry point into the {@link DropTableSpecification}'s fluent API given {@code tableName} to drop a table.
* Convenient if imported statically.
*
* @param tableName must not be {@literal null}.
* @return a new {@link DropTableSpecification}.
*/
public static DropTableSpecification dropTable(CqlIdentifier tableName) {
return new DropTableSpecification(tableName);
}
/**
* Causes the inclusion of an {@code IF EXISTS} clause.
*
* @return this
* @since 2.1
*/
public DropTableSpecification ifExists() {
return ifExists(true);
}
/**
* Toggles the inclusion of an {@code IF EXISTS} clause.
*
* @return this
* @since 2.1
*/
public DropTableSpecification ifExists(boolean ifExists) {
this.ifExists = ifExists;
return this;
}
public boolean getIfExists() {
return this.ifExists;
}
}