/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ambari.server.orm.entities;
import java.util.ArrayList;
import java.util.Collection;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinColumns;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;
import javax.persistence.Table;
import javax.persistence.TableGenerator;
import javax.persistence.UniqueConstraint;
import org.apache.ambari.server.state.RepositoryVersionState;
import org.apache.ambari.server.state.State;
@Entity
@Table(
name = "servicecomponentdesiredstate",
uniqueConstraints = @UniqueConstraint(
name = "unq_scdesiredstate_name",
columnNames = { "component_name", "service_name", "cluster_id" }) )
@TableGenerator(
name = "servicecomponentdesiredstate_id_generator",
table = "ambari_sequences",
pkColumnName = "sequence_name",
valueColumnName = "sequence_value",
pkColumnValue = "servicecomponentdesiredstate_id_seq",
initialValue = 0)
@NamedQueries({
@NamedQuery(
name = "ServiceComponentDesiredStateEntity.findByName",
query = "SELECT scds FROM ServiceComponentDesiredStateEntity scds WHERE scds.clusterId = :clusterId AND scds.serviceName = :serviceName AND scds.componentName = :componentName") })
public class ServiceComponentDesiredStateEntity {
@Id
@Column(name = "id", nullable = false, insertable = true, updatable = false)
@GeneratedValue(
strategy = GenerationType.TABLE,
generator = "servicecomponentdesiredstate_id_generator")
private Long id;
@Column(name = "cluster_id", nullable = false, insertable = false, updatable = false, length = 10)
private Long clusterId;
@Column(name = "service_name", nullable = false, insertable = false, updatable = false)
private String serviceName;
@Column(name = "component_name", nullable = false, insertable = true, updatable = true)
private String componentName;
@Column(name = "desired_state", nullable = false, insertable = true, updatable = true)
@Enumerated(EnumType.STRING)
private State desiredState = State.INIT;
@Column(name = "recovery_enabled", nullable = false, insertable = true, updatable = true)
private Integer recoveryEnabled = 0;
@Column(name = "repo_state", nullable = false, insertable = true, updatable = true)
@Enumerated(EnumType.STRING)
private RepositoryVersionState repoState = RepositoryVersionState.INIT;
/**
* Unidirectional one-to-one association to {@link StackEntity}
*/
@OneToOne
@JoinColumn(name = "desired_stack_id", unique = false, nullable = false, insertable = true, updatable = true)
private StackEntity desiredStack;
/**
* Version string that should be followed by instances
* of component on hosts. Includes both stack version and build
*/
@Column(name = "desired_version", nullable = false, insertable = true, updatable = true)
private String desiredVersion = State.UNKNOWN.toString();
@ManyToOne
@JoinColumns({@javax.persistence.JoinColumn(name = "cluster_id", referencedColumnName = "cluster_id", nullable = false), @JoinColumn(name = "service_name", referencedColumnName = "service_name", nullable = false)})
private ClusterServiceEntity clusterServiceEntity;
@OneToMany(mappedBy = "serviceComponentDesiredStateEntity")
private Collection<HostComponentStateEntity> hostComponentStateEntities;
@OneToMany(mappedBy = "serviceComponentDesiredStateEntity")
private Collection<HostComponentDesiredStateEntity> hostComponentDesiredStateEntities;
/**
* All of the upgrades and downgrades which have occurred for this component.
* Can be {@code null} for none.
*/
@OneToMany(
mappedBy = "m_serviceComponentDesiredStateEntity",
cascade = { CascadeType.ALL })
private Collection<ServiceComponentHistoryEntity> serviceComponentHistory;
@OneToMany(mappedBy = "m_serviceComponentDesiredStateEntity", cascade = { CascadeType.ALL })
private Collection<ServiceComponentVersionEntity> serviceComponentVersion;
public Long getId() {
return id;
}
public Long getClusterId() {
return clusterId;
}
public void setClusterId(Long clusterId) {
this.clusterId = clusterId;
}
public String getServiceName() {
return serviceName;
}
public void setServiceName(String serviceName) {
this.serviceName = serviceName;
}
public String getComponentName() {
return componentName;
}
public void setComponentName(String componentName) {
this.componentName = componentName;
}
public State getDesiredState() {
return desiredState;
}
public void setDesiredState(State desiredState) {
this.desiredState = desiredState;
}
public StackEntity getDesiredStack() {
return desiredStack;
}
public void setDesiredStack(StackEntity desiredStack) {
this.desiredStack = desiredStack;
}
public String getDesiredVersion() {
return desiredVersion;
}
public void setDesiredVersion(String desiredVersion) {
this.desiredVersion = desiredVersion;
}
/**
* Adds a historical entry for the version of this service component. New
* entries are automatically created when this entity is merged via a
* {@link CascadeType#MERGE}.
*
* @param historicalEntry
* the entry to add.
*/
public void addHistory(ServiceComponentHistoryEntity historicalEntry) {
if (null == serviceComponentHistory) {
serviceComponentHistory = new ArrayList<>();
}
serviceComponentHistory.add(historicalEntry);
historicalEntry.setServiceComponentDesiredState(this);
}
/**
* Gets the history of this component's upgrades and downgrades.
*
* @return the component history, or {@code null} if none.
*/
public Collection<ServiceComponentHistoryEntity> getHistory() {
return serviceComponentHistory;
}
/**
* @param versionEntry the version to add
*/
public void addVersion(ServiceComponentVersionEntity versionEntry) {
if (null == serviceComponentVersion) {
serviceComponentVersion = new ArrayList<>();
}
serviceComponentVersion.add(versionEntry);
versionEntry.setServiceComponentDesiredState(this);
}
/**
* @return the collection of versions for the component
*/
public Collection<ServiceComponentVersionEntity> getVersions() {
return serviceComponentVersion;
}
public boolean isRecoveryEnabled() {
return recoveryEnabled != 0;
}
public void setRecoveryEnabled(boolean recoveryEnabled) {
this.recoveryEnabled = (recoveryEnabled == false) ? 0 : 1;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ServiceComponentDesiredStateEntity that = (ServiceComponentDesiredStateEntity) o;
if (id != null ? !id.equals(that.id) : that.id != null) {
return false;
}
if (clusterId != null ? !clusterId.equals(that.clusterId) : that.clusterId != null) {
return false;
}
if (componentName != null ? !componentName.equals(that.componentName) : that.componentName != null) {
return false;
}
if (desiredState != null ? !desiredState.equals(that.desiredState) : that.desiredState != null) {
return false;
}
if (serviceName != null ? !serviceName.equals(that.serviceName) : that.serviceName != null) {
return false;
}
if (desiredStack != null ? !desiredStack.equals(that.desiredStack)
: that.desiredStack != null) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = id != null ? id.hashCode() : 0;
result = 31 * result + (clusterId != null ? clusterId.hashCode() : 0);
result = 31 * result + (serviceName != null ? serviceName.hashCode() : 0);
result = 31 * result + (componentName != null ? componentName.hashCode() : 0);
result = 31 * result + (desiredState != null ? desiredState.hashCode() : 0);
result = 31 * result + (desiredStack != null ? desiredStack.hashCode() : 0);
return result;
}
public ClusterServiceEntity getClusterServiceEntity() {
return clusterServiceEntity;
}
public void setClusterServiceEntity(ClusterServiceEntity clusterServiceEntity) {
this.clusterServiceEntity = clusterServiceEntity;
}
public Collection<HostComponentStateEntity> getHostComponentStateEntities() {
return hostComponentStateEntities;
}
public void setHostComponentStateEntities(Collection<HostComponentStateEntity> hostComponentStateEntities) {
this.hostComponentStateEntities = hostComponentStateEntities;
}
public Collection<HostComponentDesiredStateEntity> getHostComponentDesiredStateEntities() {
return hostComponentDesiredStateEntities;
}
public void setHostComponentDesiredStateEntities(Collection<HostComponentDesiredStateEntity> hostComponentDesiredStateEntities) {
this.hostComponentDesiredStateEntities = hostComponentDesiredStateEntities;
}
/**
* @param state the repository state for {@link #getDesiredVersion()}
*/
public void setRepositoryState(RepositoryVersionState state) {
repoState = state;
}
/**
* @return the state of the repository for {@link #getDesiredVersion()}
*/
public RepositoryVersionState getRepositoryState() {
return repoState;
}
}