org.ow2.bonita.persistence.db.DbRepositoryBuffer Maven / Gradle / Ivy

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/**
 * Copyright (C) 2006  Bull S. A. S.
 * Bull, Rue Jean Jaures, B.P.68, 78340, Les Clayes-sous-Bois
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation
 * version 2.1 of the License.
 * This library 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 Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA  02110-1301, USA.
 **/
package org.ow2.bonita.persistence.db;

import java.util.HashMap;
import java.util.Map;

import org.ow2.bonita.definition.InternalProcess;
import org.ow2.bonita.facade.uuid.ProcessDefinitionUUID;
import org.ow2.bonita.facade.uuid.ProcessInstanceUUID;
import org.ow2.bonita.runtime.InternalInstance;


public class DbRepositoryBuffer {

  private final Map instances = new HashMap();
  private final Map removedInstances = new HashMap();

  private final Map processes = new HashMap();
  private final Map removedProcesses = new HashMap();

  public DbRepositoryBuffer() { }

  //All methods returning a Collection must never return null!
  //In that case, an empty collection must be returned


  /**
   * PROCESSES
   */
  public Map getProcesss() {
    return this.processes;
  }
  public InternalProcess getProcess(final ProcessDefinitionUUID processUUID) {
    return this.processes.get(processUUID);
  }

  public void addProcess(final InternalProcess process) {
    final ProcessDefinitionUUID processUUID = process.getUUID();
    this.processes.put(processUUID, process);
    this.removedProcesses.remove(processUUID);
  }
  public void removeProcess(final InternalProcess process) {
    final ProcessDefinitionUUID processUUID = process.getUUID();
    this.removedProcesses.put(processUUID, process);
    this.processes.remove(processUUID);
  }
  public boolean isProcessRemoved(final ProcessDefinitionUUID processUUID) {
    return this.removedProcesses.containsKey(processUUID);
  }
  public boolean containsProcess(final ProcessDefinitionUUID processUUID) {
    return this.processes.containsKey(processUUID);
  }

  /**
   * INSTANCES
   */
  public Map getInstances() {
    return this.instances;
  }
  public InternalInstance getInstance(final ProcessInstanceUUID instanceUUID) {
    return this.instances.get(instanceUUID);
  }

  public void addInstance(final InternalInstance instance) {
    final ProcessInstanceUUID instanceUUID = instance.getUUID();
    this.instances.put(instanceUUID, instance);
    this.removedInstances.remove(instanceUUID);
  }
  public void removeInstance(final InternalInstance instance) {
    final ProcessInstanceUUID instanceUUID = instance.getUUID();
    this.removedInstances.put(instanceUUID, instance);
    this.instances.remove(instanceUUID);
  }
  public boolean isInstanceRemoved(final ProcessInstanceUUID instanceUUID) {
    return this.removedInstances.containsKey(instanceUUID);
  }
  public boolean containsInstance(final ProcessInstanceUUID instanceUUID) {
    return this.instances.containsKey(instanceUUID);
  }

}