AbstractCleanup.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2022 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.cleanup;
 
import java.util.Collections;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.turro.path.Path;
import org.turro.sql.IDao;
import org.turro.sql.SqlClause;
 
public abstract class AbstractCleanup implements IElephantCleanup {
  
  private ICleanupConsole console;
 
  @Override
  public void setConsole(ICleanupConsole console) {
    this.console = console;
  }
 
  protected ICleanupConsole getConsole() {
    return console;
  }
 
  @Override
  public void cleanOrphans() {
  }
 
  @Override
  public void cleanFromCommons(String entityPath, CleanupMode mode, Set<Commons> commons) { 
  }  
 
  @Override
  public Set<String> pathsForRoot(String root, Commons common) {
    return Collections.EMPTY_SET;
  }
 
  protected Set<String> getOrphans(Set<String> entities, Set<String> mapped) {
    mapped.removeAll(entities);
    return mapped;
  }
  
  protected void cleanOrphansFor(String root, Set<String> entities) {
    if(!entities.isEmpty()) {
      for(Commons common : Commons.values()) {
        Set<String> mapped = Cleanup.getEntityPathsFor(root, common);
        getOrphans(entities, mapped).forEach(entityPath -> {
//          System.out.print(common);
//          System.out.println(entityPath);
          Cleanup.executeForCommons(entityPath, null, CleanupMode.ONLY_EXECUTE, Set.of(common));
        });
      }
    }
  }
  
  protected <T> Set<String> getEntityPaths(IDao dao, Class<T> idClass, String table, String field, String root) {
    try(Stream<T> stream = SqlClause.select("distinct d." + field).from(table + " d")
            .dao(dao).stream(idClass)) {
      return stream.map(id -> Path.of(root, String.valueOf(id)).getPath())
              .collect(Collectors.toSet());
    }
  }
 
}