/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* 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 and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and 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.rhq.core.domain.cloud;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.PrePersist;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;
/**
* An object to capture when the infrastructure used for high availability
* reconfigures itself for some reason. This object will store the reason
* for the change, the connection topology after the change takes place, and
* the time it took place.
*
* @author Joseph Marques
*/
@Entity(name = "PartitionEvent")
@NamedQueries //
( {
@NamedQuery(name = PartitionEvent.QUERY_FIND_ALL, query = "" //
+ "SELECT pe " //
+ " FROM PartitionEvent pe" //
+ " WHERE (:type = pe.eventType OR :type is null) " //
+ " AND (:status = pe.executionStatus OR :status is null)" //
+ " AND (UPPER(pe.eventDetail) LIKE :details ESCAPE :escapeChar OR :details is null) "),
@NamedQuery(name = PartitionEvent.QUERY_FIND_BY_EXECUTION_STATUS, query = "SELECT pe FROM PartitionEvent pe WHERE pe.executionStatus = :executionStatus") //
})
@SequenceGenerator(allocationSize = org.rhq.core.domain.util.Constants.ALLOCATION_SIZE, name = "RHQ_PARTITION_EVENT_ID_SEQ", sequenceName = "RHQ_PARTITION_EVENT_ID_SEQ")
@Table(name = "RHQ_PARTITION_EVENT")
public class PartitionEvent implements Serializable {
public static final long serialVersionUID = 1L;
public static final String QUERY_FIND_ALL = "PartitionEvent.findAll";
public static final String QUERY_FIND_BY_EXECUTION_STATUS = "PartitionEvent.findByExecutionStatus";
@Column(name = "ID", nullable = false)
@GeneratedValue(strategy = GenerationType.AUTO, generator = "RHQ_PARTITION_EVENT_ID_SEQ")
@Id
private int id;
@Column(name = "SUBJECT_NAME")
protected String subjectName;
@Column(name = "CTIME", nullable = false)
private long ctime;
@Column(name = "EVENT_TYPE", nullable = false)
@Enumerated(EnumType.STRING)
private PartitionEventType eventType;
@Column(name = "EVENT_DETAIL", nullable = true)
private String eventDetail;
@Column(name = "EXECUTION_STATUS", nullable = false)
@Enumerated(EnumType.STRING)
private PartitionEvent.ExecutionStatus executionStatus;
@OneToMany(mappedBy = "partitionEvent", cascade = CascadeType.ALL)
private List<PartitionEventDetails> partitionDetails = new ArrayList<PartitionEventDetails>();
@OneToMany(mappedBy = "partitionEvent", fetch = FetchType.LAZY, cascade = CascadeType.ALL)
private List<FailoverList> serverLists = new ArrayList<FailoverList>();
// required for JPA
protected PartitionEvent() {
}
public PartitionEvent(String subjectName, PartitionEventType eventType,
PartitionEvent.ExecutionStatus executionStatus) {
this(subjectName, eventType, (String) null, executionStatus);
}
public PartitionEvent(String subjectName, PartitionEventType eventType, String eventDetail,
ExecutionStatus executionStatus) {
super();
this.subjectName = subjectName;
this.eventType = eventType;
this.eventDetail = eventDetail;
this.executionStatus = executionStatus;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getSubjectName() {
return subjectName;
}
public void setSubjectName(String subjectName) {
this.subjectName = subjectName;
}
public long getCtime() {
return ctime;
}
public void setCtime(long ctime) {
this.ctime = ctime;
}
public PartitionEventType getEventType() {
return eventType;
}
public void setEventType(PartitionEventType eventType) {
this.eventType = eventType;
}
public String getEventDetail() {
return eventDetail;
}
public void setEventDetail(String eventDetail) {
this.eventDetail = eventDetail;
}
public List<PartitionEventDetails> getPartitionDetails() {
return partitionDetails;
}
public void setPartitionDetails(List<PartitionEventDetails> partitionDetails) {
this.partitionDetails = partitionDetails;
}
public List<FailoverList> getServerLists() {
return serverLists;
}
public void setServerLists(List<FailoverList> serverLists) {
this.serverLists = serverLists;
}
public enum ExecutionStatus {
AUDIT("This parition event is executed only as an audit activity and did not affect server list generation"), //
COMPLETED("The request for this partition event has been completed by the cloud manager job"), //
IMMEDIATE("This partition event was executed at creation time."), //
REQUESTED("This partition event has been requested of the cloud manager job.");
public final String message;
private ExecutionStatus(String message) {
this.message = message;
}
public String getMessage() {
return message;
}
}
public PartitionEvent.ExecutionStatus getExecutionStatus() {
return executionStatus;
}
public void setExecutionStatus(PartitionEvent.ExecutionStatus executionStatus) {
this.executionStatus = executionStatus;
}
@PrePersist
void onPersist() {
this.ctime = System.currentTimeMillis();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (int) (ctime ^ (ctime >>> 32));
result = prime * result + ((subjectName == null) ? 0 : subjectName.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || !(obj instanceof PartitionEvent)) {
return false;
}
final PartitionEvent other = (PartitionEvent) obj;
if (ctime != other.ctime) {
return false;
}
if (subjectName == null) {
if (other.subjectName != null) {
return false;
}
} else if (!subjectName.equals(other.subjectName)) {
return false;
}
return true;
}
}