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/*
 * Copyright 2014-2015 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.way.orm.compiler;

import java.util.List;

import br.com.objectos.way.metainf.Services;
import br.com.objectos.way.orm.Query;
import br.com.objectos.way.pojo.plugin.AbstractPlugin;
import br.com.objectos.way.pojo.plugin.Contribution;
import br.com.objectos.way.pojo.plugin.Contribution.Builder;
import br.com.objectos.way.pojo.plugin.Plugin;
import br.com.objectos.way.pojo.plugin.PojoAction;
import br.com.objectos.way.pojo.plugin.PojoInfo;

/**
 * @author [email protected] (Marcio Endo)
 */
@Services(Plugin.class)
public class QueryPlugin extends AbstractPlugin implements PojoAction {

  @Override
  protected void configure() {
    executeWhen(pojo((info) -> OrmPojoInfo.of(info).isPresent()));

    when(property(hasAnnotation(Query.class))).ignore();
    execute(this);
  }

  @Override
  public Contribution execute(PojoInfo pojoInfo) {
    OrmPojoInfo ownerPojoInfo = OrmPojoInfo.of(pojoInfo).get();
    List queryMethodList = ownerPojoInfo.queryMethodList();
    return queryMethodList.isEmpty()
        ? Contribution.empty()
        : execute0(ownerPojoInfo, queryMethodList);
  }

  private Contribution execute0(OrmPojoInfo ownerPojoInfo, List queryMethodList) {
    Builder builder = Contribution.builder();
    queryMethodList.forEach(method -> method.accept(ownerPojoInfo, builder));
    return builder.build();
  }

}