/**
* Copyright 2011-2017 Asakusa Framework Team.
*
* 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
*
* 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.asakusafw.operator;
import javax.lang.model.type.TypeMirror;
import com.asakusafw.operator.model.DataModelMirror;
/**
* Repository of {@link DataModelMirror}.
* <p>
* Adding a new data model kinds to Operator DSL compiler, clients can implement this
* and put the class name in
* {@code META-INF/services/com.asakusafw.operator.DataModelMirrorRepository}.
* </p>
*/
public interface DataModelMirrorRepository {
/**
* Loads a mirror of the data model corresponded to the specified type.
* @param environment the compiling environment
* @param type the corresponded type
* @return the loaded data model mirror,
* or {@code null} if the type does not represent a valid data model for this repository
* @throws IllegalArgumentException if some parameters were {@code null}
*/
DataModelMirror load(CompileEnvironment environment, TypeMirror type);
}