001/* 002 * SonarQube 003 * Copyright (C) 2009-2016 SonarSource SA 004 * mailto:contact AT sonarsource DOT com 005 * 006 * This program is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * This program is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020package org.sonar.api.batch.sensor.internal; 021 022import com.google.common.base.Preconditions; 023import javax.annotation.Nullable; 024import org.apache.commons.lang.builder.ToStringBuilder; 025import org.apache.commons.lang.builder.ToStringStyle; 026 027public abstract class DefaultStorable { 028 029 protected final transient SensorStorage storage; 030 private transient boolean saved = false; 031 032 public DefaultStorable() { 033 this.storage = null; 034 } 035 036 public DefaultStorable(@Nullable SensorStorage storage) { 037 this.storage = storage; 038 } 039 040 public final void save() { 041 Preconditions.checkNotNull(this.storage, "No persister on this object"); 042 Preconditions.checkState(!saved, "This object was already saved"); 043 doSave(); 044 this.saved = true; 045 } 046 047 protected abstract void doSave(); 048 049 @Override 050 public String toString() { 051 return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE); 052 } 053 054}