com.datastax.oss.driver.api.mapper.entity.naming.NameConverter Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 com.datastax.oss.driver.api.mapper.entity.naming;
import com.datastax.oss.driver.api.mapper.annotations.Entity;
import com.datastax.oss.driver.api.mapper.annotations.NamingStrategy;
import edu.umd.cs.findbugs.annotations.NonNull;
/**
* A custom converter to infer CQL column names from the names used in an {@link Entity}-annotated
* class.
*
* @see NamingStrategy
*/
public interface NameConverter {
/**
* Convert the given Java name into a CQL name.
*
* Note that this will be invoked by the generated code each time the name is
* referenced. If the conversion is expensive, implementors might consider an internal cache.
*
* @param javaName the name to convert. Note that if it is capitalized (e.g. {@code Product}), it
* is a class name, to be converted into a table name; otherwise (e.g. {@code productId}), it
* is a property name, to be converted into a column name.
* @return the corresponding CQL name. If you want it to be case-sensitive, it must be enclosed in
* double-quotes.
*/
@NonNull
String toCassandraName(@NonNull String javaName);
}