/*************************************************************************
* Copyright 2009-2012 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
*
* This file may incorporate work covered under the following copyright
* and permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms,
* with or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE
* THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL,
* COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
* AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
* SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY,
* WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
* REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
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* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
/*
* Author: chris grzegorczyk <grze@eucalyptus.com>
*/
package com.eucalyptus.blockstorage.entities;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.PersistenceContext;
import javax.persistence.Table;
import org.apache.log4j.Logger;
import com.eucalyptus.blockstorage.util.StorageProperties;
import com.eucalyptus.configurable.ConfigurableClass;
import com.eucalyptus.configurable.ConfigurableField;
import com.eucalyptus.configurable.ConfigurableIdentifier;
import com.eucalyptus.configurable.ConfigurableInit;
import com.eucalyptus.entities.AbstractPersistent;
import com.eucalyptus.entities.Transactions;
@Entity
@PersistenceContext(name = "eucalyptus_storage")
@Table(name = "das_info")
@ConfigurableClass(root = "storage", alias = "das", description = "Basic storage controller configuration for DAS.", singleton = false,
deferred = true)
public class DASInfo extends AbstractPersistent {
private static Logger LOG = Logger.getLogger(DASInfo.class);
@ConfigurableIdentifier
@Column(name = "storage_name", unique = true)
private String name;
@ConfigurableField(description = "Direct attached storage device location", displayName = "Direct attached block device or volume group")
@Column(name = "das_device")
private String DASDevice;
public DASInfo() {
this.name = StorageProperties.NAME;
}
public DASInfo(final String name) {
this.name = name;
}
public DASInfo(final String name, final String DASDevice) {
this.name = name;
this.DASDevice = DASDevice;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDASDevice() {
return DASDevice;
}
public void setDASDevice(String DASDevice) {
this.DASDevice = DASDevice;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
DASInfo other = (DASInfo) obj;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public String toString() {
return this.name;
}
public static DASInfo getStorageInfo() {
DASInfo conf = null;
try {
conf = Transactions.find(new DASInfo());
} catch (Exception e) {
LOG.warn("DAS information for " + StorageProperties.NAME + " not found. Loading defaults.");
try {
conf = Transactions.saveDirect(new DASInfo( ).init( ));
} catch (Exception e1) {
try {
conf = Transactions.find(new DASInfo());
} catch (Exception e2) {
LOG.warn("Failed to persist and retrieve DASInfo entity");
}
}
}
if (conf == null) {
conf = new DASInfo( ).init( );
}
return conf;
}
@ConfigurableInit
public DASInfo init( ) {
setDASDevice( StorageProperties.DAS_DEVICE );
return this;
}
}