ViewThoughtsDS.java

/*
 * Copyright [2014] [Christian Loehnert, krampenschiesser@gmail.com]
 * 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 de.ks.idnadrev.thought.view;

import de.ks.datasource.ListDataSource;
import de.ks.idnadrev.entity.Thought;
import de.ks.persistence.PersistentWork;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.List;
import java.util.function.Consumer;
import java.util.stream.Collectors;

public class ViewThoughtsDS implements ListDataSource<Thought> {
  private static final Logger log = LoggerFactory.getLogger(ViewThoughtsDS.class);

  @Override
  public List<Thought> loadModel(Consumer<List<Thought>> furtherProcessing) {
    List<Thought> thoughts = PersistentWork.wrap(() -> {
      List<Thought> loaded = PersistentWork.from(Thought.class);
      furtherProcessing.accept(loaded);
      return loaded;
    });
    log.debug("Found {} thoughts", thoughts.size());
    thoughts = thoughts.stream().filter((t) -> !t.isPostponed()).collect(Collectors.toList());
    log.debug("After filtering {} thoughts", thoughts.size());
    return thoughts;
  }

  @Override
  public void saveModel(List<Thought> model, Consumer<List<Thought>> beforeSaving) {
    log.info("noop for'{}'", model);
  }
}