svn commit: r696271 - in /incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa: FriendDb.java FriendPropertyDb.java GroupDb.java

[ie...@apache.org]

Author: ieb
Date: Wed Sep 17 05:23:31 2008
New Revision: 696271

URL: http://svn.apache.org/viewvc?rev=696271&view=rev
Log:
Added group and friend support to the model.

Added:
    incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/FriendDb.java
    incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/FriendPropertyDb.java
    incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/GroupDb.java

Added: incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/FriendDb.java
URL: http://svn.apache.org/viewvc/incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/FriendDb.java?rev=696271&view=auto
==============================================================================
--- incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/FriendDb.java (added)
+++ incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/FriendDb.java Wed Sep 17 05:23:31 2008
@@ -0,0 +1,134 @@
+/*
+ * 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 static javax.persistence.GenerationType.IDENTITY;
+
+import org.apache.shindig.social.opensocial.jpa.api.DbObject;
+import org.apache.shindig.social.opensocial.model.ListField;
+import org.apache.shindig.social.opensocial.model.Person;
+
+import javax.persistence.Column;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.MapKey;
+import javax.persistence.OneToMany;
+import javax.persistence.Version;
+
+import java.util.Map;
+
+/**
+ * Fiends relates users to one another with attributes.
+ */
+public class FriendDb implements DbObject {
+  /**
+   * 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;
+
+  /**
+   * Someone asserts the friendship.
+   */
+  @ManyToOne(targetEntity = PersonDb.class)
+  @JoinColumn(name = "person_id", referencedColumnName = "oid")
+  protected Person person;
+
+  /**
+   * Someone else is the recipient of the friendship.
+   */
+  @ManyToOne(targetEntity = PersonDb.class)
+  @JoinColumn(name = "friend_id", referencedColumnName = "oid")
+  protected Person friend;
+
+  /**
+   * The friendship has properties.
+   */
+  @OneToMany(targetEntity = FriendPropertyDb.class, mappedBy = "friend")
+  @MapKey(name = "type")
+  protected Map<String, ListField> properties;
+
+  /**
+   * @return the person
+   */
+  public Person getPerson() {
+    return person;
+  }
+
+  /**
+   * @param person the person to set
+   */
+  public void setPerson(Person person) {
+    this.person = person;
+  }
+
+  /**
+   * @return the friend
+   */
+  public Person getFriend() {
+    return friend;
+  }
+
+  /**
+   * @param friend the friend to set
+   */
+  public void setFriend(Person friend) {
+    this.friend = friend;
+  }
+
+  /**
+   * @return the properties
+   */
+  public Map<String, ListField> getProperties() {
+    return properties;
+  }
+
+  /**
+   * @param properties the properties to set
+   */
+  public void setProperties(Map<String, ListField> properties) {
+    this.properties = properties;
+  }
+
+  /**
+   * @return the objectId
+   */
+  public long getObjectId() {
+    return objectId;
+  }
+
+  /**
+   * @return the version
+   */
+  public long getVersion() {
+    return version;
+  }
+
+}

Added: incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/FriendPropertyDb.java
URL: http://svn.apache.org/viewvc/incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/FriendPropertyDb.java?rev=696271&view=auto
==============================================================================
--- incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/FriendPropertyDb.java (added)
+++ incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/FriendPropertyDb.java Wed Sep 17 05:23:31 2008
@@ -0,0 +1,56 @@
+/*
+ * 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 javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.PrimaryKeyJoinColumn;
+import javax.persistence.Table;
+
+/**
+ * This is a property of a friend link, extending the listfield type, and using the type property to
+ * perform the mapping. Main storage is in the listfield table, but friend property stores the
+ * details of the relationship with the friend object.
+ */
+@Entity
+@Table(name = "friend_property")
+@PrimaryKeyJoinColumn(name = "oid")
+public class FriendPropertyDb extends ListFieldDb {
+  /**
+   * The friend relationship connected with this property. 
+   */
+  @ManyToOne(targetEntity = FriendDb.class)
+  @JoinColumn(name = "friend_id", referencedColumnName = "oid")
+  protected FriendDb friend;
+
+  /**
+   * @return the friend
+   */
+  public FriendDb getFriend() {
+    return friend;
+  }
+
+  /**
+   * @param friend the friend to set
+   */
+  public void setFriend(FriendDb friend) {
+    this.friend = friend;
+  }
+
+}

Added: incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/GroupDb.java
URL: http://svn.apache.org/viewvc/incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/GroupDb.java?rev=696271&view=auto
==============================================================================
--- incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/GroupDb.java (added)
+++ incubator/shindig/trunk/java/samples/src/main/java/org/apache/shindig/social/opensocial/jpa/GroupDb.java Wed Sep 17 05:23:31 2008
@@ -0,0 +1,143 @@
+/*
+ * 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 static javax.persistence.GenerationType.IDENTITY;
+
+import org.apache.shindig.social.opensocial.jpa.api.DbObject;
+import org.apache.shindig.social.opensocial.model.Person;
+
+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.ManyToOne;
+import javax.persistence.Table;
+import javax.persistence.Version;
+
+import java.util.List;
+
+/**
+ * Represents a group in the social database. The assumption in this object is that groups are
+ * associated with individuals and are used by those individuals to manage people.
+ */
+@Entity
+@Table(name = "group")
+public class GroupDb implements DbObject {
+  /**
+   * 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;
+
+  /**
+   * There is a single owner of a group.
+   */
+  @ManyToOne(targetEntity = PersonDb.class)
+  @JoinColumn(name = "person_id", referencedColumnName = "oid")
+  protected Person owner;
+
+  /**
+   * There are many members of a group.
+   */
+  @ManyToMany(targetEntity = PersonDb.class)
+  @JoinTable(name = "membership", 
+      joinColumns = 
+        @JoinColumn(name = "person_id", referencedColumnName = "oid"), 
+      inverseJoinColumns = 
+        @JoinColumn(name = "group_id", referencedColumnName = "oid"))
+  protected List<Person> members;
+
+  /**
+   * Each group has a group Id.
+   */
+  @Basic
+  @Column(name = "id", length = 255)
+  protected String id;
+
+  /**
+   * @return the owner
+   */
+  public Person getOwner() {
+    return owner;
+  }
+
+  /**
+   * @param owner the owner to set
+   */
+  public void setOwner(Person owner) {
+    this.owner = owner;
+  }
+
+  /**
+   * @return the members
+   */
+  public List<Person> getMembers() {
+    return members;
+  }
+
+  /**
+   * @param members the members to set
+   */
+  public void setMembers(List<Person> members) {
+    this.members = members;
+  }
+
+  /**
+   * @return the id
+   */
+  public String getId() {
+    return id;
+  }
+
+  /**
+   * @param id the id to set
+   */
+  public void setId(String id) {
+    this.id = id;
+  }
+
+  /**
+   * @return the objectId
+   */
+  public long getObjectId() {
+    return objectId;
+  }
+
+  /**
+   * @return the version
+   */
+  public long getVersion() {
+    return version;
+  }
+
+}