/*
* 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.shindig.social.opensocial.jpa;
import com.google.common.collect.Lists;
import static javax.persistence.CascadeType.ALL;
import static javax.persistence.GenerationType.IDENTITY;
import com.google.common.collect.Lists;
import org.apache.shindig.social.opensocial.jpa.api.DbObject;
import org.apache.shindig.social.opensocial.model.Activity;
import org.apache.shindig.social.opensocial.model.MediaItem;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.ConcurrentHashMap;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;
import javax.persistence.MapKey;
import javax.persistence.OneToMany;
import javax.persistence.PostLoad;
import javax.persistence.PrePersist;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Transient;
import javax.persistence.Version;
/**
* Activity model object stored in the "activity" table.
*/
@Entity
@Table(name = "activity")
public class ActivityDb implements Activity, DbObject {
public static final String FINDBY_ACTIVITY_ID = null;
public static final String PARAM_USERID = null;
public static final String PARAM_ACTIVITYID = null;
public static final String JPQL_FINDBY_ACTIVITIES = null;
/**
* The internal object ID used for references to this object. Should be generated by the
* underlying storage mechanism
*/
@Id
@GeneratedValue(strategy = IDENTITY)
@Column(name = "oid")
protected long objectId;
/**
* An optimistic locking field
*/
@Version
@Column(name = "version")
protected long version;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "app_id", length = 255)
protected String appId;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "body", length = 255)
protected String body;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "body_id", length = 255)
protected String bodyId;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "external_id", length = 255)
protected String externalId;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "activity_id", length = 255)
protected String id;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "updated")
@Temporal(TemporalType.TIMESTAMP)
protected Date updated;
/**
* A list of shared media items associated with this activity, joined by the table
* "activity_media" such that activity_media.activity_id = activity.oid and
* activity_media.media_id = media.oid. Media items may be shared amongst
* many activities or other entities.
*/
@ManyToMany(targetEntity = MediaItemDb.class)
@JoinTable(name = "activity_media",
joinColumns = @JoinColumn
( name = "activity_id", referencedColumnName = "oid"),
inverseJoinColumns = @JoinColumn
(name = "media_id", referencedColumnName = "oid"))
protected List<MediaItem> mediaItems;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "posted_time")
protected Long postedTime;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "priority")
protected Float priority;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "stream_favicon_url", length = 255)
protected String streamFaviconUrl;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "stream_source_url", length = 255)
protected String streamSourceUrl;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "stream_title", length = 255)
protected String streamTitle;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "stream_url", length = 255)
protected String streamUrl;
/**
* Create map using ActivityTemplateParamsDb such that ActivityTemplateParams are joined on oid ->
* activity_id and then the name value becomes the key, and the value becomes the value
* unfortunately JPA wont do Map<String,String> so this is handled in the prePersist and postLoad
* hook.
*/
@OneToMany(targetEntity = ActivityTemplateParamsDb.class, mappedBy = "activities", cascade = ALL)
@MapKey(name = "name")
protected Map<String, ActivityTemplateParamsDb> templateParamsDb;
/**
* The transient store for templateParamers loaded by the postLoad hook and persisted by the
* prePersist hook.
*/
@Transient
protected Map<String, String> templateParams;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "title", length = 255)
protected String title;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "title_id", length = 255)
protected String titleId;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "url", length = 255)
protected String url;
/**
* model field.
* @see org.apache.shindig.social.opensocial.model.Activity
*/
@Basic
@Column(name = "user_id", length = 255)
protected String userId;
public ActivityDb() {
}
public ActivityDb(String id, String userId) {
this.id = id;
this.userId = userId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getAppId()
*/
public String getAppId() {
return appId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setAppId(java.lang.String)
*/
public void setAppId(String appId) {
this.appId = appId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getBody()
*/
public String getBody() {
return body;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setBody(java.lang.String)
*/
public void setBody(String body) {
this.body = body;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getBodyId()
*/
public String getBodyId() {
return bodyId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setBodyId(java.lang.String)
*/
public void setBodyId(String bodyId) {
this.bodyId = bodyId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getExternalId()
*/
public String getExternalId() {
return externalId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setExternalId(java.lang.String)
*/
public void setExternalId(String externalId) {
this.externalId = externalId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getId()
*/
public String getId() {
return id;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setId(java.lang.String)
*/
public void setId(String id) {
this.id = id;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getUpdated()
*/
public Date getUpdated() {
if (updated == null) {
return null;
}
return new Date(updated.getTime());
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setUpdated(java.util.Date)
*/
public void setUpdated(Date updated) {
if (updated == null) {
this.updated = null;
} else {
this.updated = new Date(updated.getTime());
}
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getMediaItems()
*/
public List<MediaItem> getMediaItems() {
return mediaItems;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setMediaItems(java.util.List)
*/
public void setMediaItems(List<MediaItem> mediaItems) {
this.mediaItems = mediaItems;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getPostedTime()
*/
public Long getPostedTime() {
return postedTime;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setPostedTime(java.lang.Long)
*/
public void setPostedTime(Long postedTime) {
this.postedTime = postedTime;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getPriority()
*/
public Float getPriority() {
return priority;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setPriority(java.lang.Float)
*/
public void setPriority(Float priority) {
this.priority = priority;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getStreamFaviconUrl()
*/
public String getStreamFaviconUrl() {
return streamFaviconUrl;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setStreamFaviconUrl(java.lang.String)
*/
public void setStreamFaviconUrl(String streamFaviconUrl) {
this.streamFaviconUrl = streamFaviconUrl;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getStreamSourceUrl()
*/
public String getStreamSourceUrl() {
return streamSourceUrl;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setStreamSourceUrl(java.lang.String)
*/
public void setStreamSourceUrl(String streamSourceUrl) {
this.streamSourceUrl = streamSourceUrl;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getStreamTitle()
*/
public String getStreamTitle() {
return streamTitle;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setStreamTitle(java.lang.String)
*/
public void setStreamTitle(String streamTitle) {
this.streamTitle = streamTitle;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getStreamUrl()
*/
public String getStreamUrl() {
return streamUrl;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setStreamUrl(java.lang.String)
*/
public void setStreamUrl(String streamUrl) {
this.streamUrl = streamUrl;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getTemplateParams()
*/
public Map<String, String> getTemplateParams() {
return templateParams;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setTemplateParams(java.util.Map)
*/
public void setTemplateParams(Map<String, String> templateParams) {
this.templateParams = templateParams;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getTitle()
*/
public String getTitle() {
return title;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setTitle(java.lang.String)
*/
public void setTitle(String title) {
this.title = title;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getTitleId()
*/
public String getTitleId() {
return titleId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setTitleId(java.lang.String)
*/
public void setTitleId(String titleId) {
this.titleId = titleId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getUrl()
*/
public String getUrl() {
return url;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setUrl(java.lang.String)
*/
public void setUrl(String url) {
this.url = url;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#getUserId()
*/
public String getUserId() {
return userId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.model.Activity#setUserId(java.lang.String)
*/
public void setUserId(String userId) {
this.userId = userId;
}
/**
* {@inheritDoc}
* @see org.apache.shindig.social.opensocial.jpa.api.DbObject#getObjectId()
*/
public long getObjectId() {
return objectId;
}
/**
* Hook into the pre persist JPA event to take the transient fields and populate the DB fields
* prior to persisting the data
*/
@PrePersist
public void populateDbFields() {
// add new entries
for (Entry<String, String> e : templateParams.entrySet()) {
ActivityTemplateParamsDb a = templateParamsDb.get(e.getKey());
if (a == null) {
a = new ActivityTemplateParamsDb();
a.name = e.getKey();
a.value = e.getValue();
a.activities = Lists.newArrayList();
a.activities.add(this);
templateParamsDb.put(e.getKey(), a);
} else {
a.value = e.getValue();
}
}
// remove old entries
List<String> toRemove = Lists.newArrayList();
for (Entry<String, ActivityTemplateParamsDb> e : templateParamsDb.entrySet()) {
if (!templateParams.containsKey(e.getKey())) {
toRemove.add(e.getKey());
}
}
for (String r : toRemove) {
templateParamsDb.remove(r);
}
}
/**
* Hook into the post load event in JPA to take the database fields and load the transient fields
* prior to making the object available to java
*/
@PostLoad
public void loadTransientFields() {
templateParams = new ConcurrentHashMap<String, String>();
for (Entry<String, ActivityTemplateParamsDb> e : templateParamsDb.entrySet()) {
templateParams.put(e.getKey(), e.getValue().value);
}
}
}