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Cassandra support for Spring Data
/*
* Copyright 2013-2023 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.mapping;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.springframework.data.annotation.Persistent;
/**
* Annotates a type that represents the identity type of another class whose instances are stored in a table.
*
* If your Cassandra table has multiple primary key columns, then you must define a primary key class, annotate it with
* this annotation, and use that class as the {@link PrimaryKey} of your entity class!
*
* @author Alex Shvid
* @author Matthew T. Adams
* @author Mark Paluch
* @see PrimaryKeyColumn
*/
@Documented
@Inherited
@Retention(RetentionPolicy.RUNTIME)
@Target({ ElementType.TYPE })
@Persistent
public @interface PrimaryKeyClass {
}