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Cassandra support for Spring Data
/*
* Copyright 2016-2020 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.mapping;
import org.springframework.data.cassandra.core.cql.CqlIdentifier;
import org.springframework.lang.Nullable;
import com.datastax.driver.core.UserType;
/**
* Strategy interface to resolve {@link UserType} by {@link String name}.
*
* @author Mark Paluch
* @see com.datastax.driver.core.DataType
* @see org.springframework.data.cassandra.core.cql.CqlIdentifier
* @since 1.5
*/
@FunctionalInterface
public interface UserTypeResolver {
/**
* Resolve a {@link UserType} by {@link String name}.
*
* @param typeName {@link String name} of the {@link UserType} to resolve; must not be {@literal null}.
* @return the resolved {@link UserType} or {@literal null} if not found.
* @see org.springframework.data.cassandra.core.cql.CqlIdentifier
* @see com.datastax.driver.core.DataType
*/
@Nullable
UserType resolveType(CqlIdentifier typeName);
}