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Cassandra support for Spring Data
/*
* Copyright 2013-2021 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.KeyspaceIdentifier;
import com.datastax.oss.driver.api.core.CqlIdentifier;
/**
* Object to configure a {@code DROP KEYSPACE} specification.
*
* @author Mark Paluch
*/
public class DropKeyspaceSpecification extends KeyspaceActionSpecification {
private boolean ifExists;
private DropKeyspaceSpecification(CqlIdentifier name) {
super(name);
}
/**
* Create a new {@link DropKeyspaceSpecification} for the given {@code name}.
*
* @param name must not be {@literal null} or empty.
* @return a new {@link DropKeyspaceSpecification}.
*/
public static DropKeyspaceSpecification dropKeyspace(String name) {
return dropKeyspace(CqlIdentifier.fromCql(name));
}
/**
* Create a new {@link DropKeyspaceSpecification} for the given {@code name}.
*
* @param name must not be {@literal null}.
* @return a new {@link DropKeyspaceSpecification}.
* @deprecated since 3.0, use {@link #dropKeyspace(CqlIdentifier)}.
*/
@Deprecated
public static DropKeyspaceSpecification dropKeyspace(KeyspaceIdentifier name) {
return dropKeyspace(CqlIdentifier.fromCql(name.toCql()));
}
/**
* Create a new {@link DropKeyspaceSpecification} for the given {@code name}.
*
* @param name must not be {@literal null}.
* @return a new {@link DropKeyspaceSpecification}.
* @since 3.0
*/
public static DropKeyspaceSpecification dropKeyspace(CqlIdentifier name) {
return new DropKeyspaceSpecification(name);
}
/**
* Causes the inclusion of an {@code IF EXISTS} clause.
*
* @return this
*/
public DropKeyspaceSpecification ifExists() {
return ifExists(true);
}
/**
* Toggles the inclusion of an {@code IF EXISTS} clause.
*
* @return this
*/
public DropKeyspaceSpecification ifExists(boolean ifExists) {
this.ifExists = ifExists;
return this;
}
public boolean getIfExists() {
return ifExists;
}
/*
* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof DropKeyspaceSpecification)) {
return false;
}
if (!super.equals(o)) {
return false;
}
DropKeyspaceSpecification that = (DropKeyspaceSpecification) o;
return ifExists == that.ifExists;
}
/*
* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (ifExists ? 1 : 0);
return result;
}
}