package com.kdcloud.server.entity; import javax.jdo.annotations.Extension; import javax.jdo.annotations.IdGeneratorStrategy; import javax.jdo.annotations.Inheritance; import javax.jdo.annotations.InheritanceStrategy; import javax.jdo.annotations.PersistenceCapable; import javax.jdo.annotations.Persistent; import javax.jdo.annotations.PrimaryKey; @PersistenceCapable @Inheritance(strategy=InheritanceStrategy.SUBCLASS_TABLE) public abstract class Entity { @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) @Extension(vendorName="datanucleus", key="gae.encoded-pk", value="true") private String uuid; @Persistent @Extension(vendorName="datanucleus", key="gae.pk-name", value="true") private String name; public Entity() { } public Entity(String name) { super(); this.name = name; } public String getUUID() { return uuid; } public void setUuid(String uuid) { this.uuid = uuid; } public String getName() { return name; } public void setName(String name) { this.name = name; } }