/*
* Copyright (C) 2014 The Datarobot 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
*
* 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.arconsis.android.datarobot.builder.schema.reader;
import com.arconsis.android.datarobot.builder.schema.data.Schema;
import com.arconsis.android.datarobot.builder.schema.data.Table;
import com.arconsis.android.datarobot.builder.schema.visitor.TypeResolvingVisitor;
import com.arconsis.android.datarobot.config.Persistence;
import java.util.Set;
import java.util.TreeSet;
import javax.annotation.processing.Messager;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
/**
* @author Alexander Frank
* @author Falk Appel
*/
public class SchemaReader implements Reader<Schema> {
private final Persistence persistence;
private final String updateHookClassName;
private final String createHookClassName;
private final Set<? extends Element> entities;
private final Set<String> entityNames = new TreeSet<String>();
private final Messager messager;
public SchemaReader(final Persistence persistence, final String updateHookClassName, final String createHookClassName,
final Set<? extends Element> entities, final Messager messager) {
this.persistence = persistence;
this.updateHookClassName = updateHookClassName;
this.createHookClassName = createHookClassName;
this.entities = entities;
for (Element entity : entities) {
entityNames.add(entity.toString());
}
this.messager = messager;
}
@Override
public Schema read() {
Schema schema = new Schema(persistence.dbName(), persistence.dbVersion(), updateHookClassName, createHookClassName);
for (Element element : entities) {
TypeElement entity = element.accept(new TypeResolvingVisitor(), null);
TableReader tableReader = new TableReader(entity, entityNames, messager);
Table read = tableReader.read();
if (read != null) {
schema.addTable(read);
}
}
return schema;
}
}