diff options
Diffstat (limited to 'src/main/java/nu/xss/jpa/entity/AbstractEntity.java')
-rw-r--r-- | src/main/java/nu/xss/jpa/entity/AbstractEntity.java | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/main/java/nu/xss/jpa/entity/AbstractEntity.java b/src/main/java/nu/xss/jpa/entity/AbstractEntity.java new file mode 100644 index 0000000..5a4f468 --- /dev/null +++ b/src/main/java/nu/xss/jpa/entity/AbstractEntity.java @@ -0,0 +1,54 @@ +package nu.xss.jpa.entity; + +import javax.persistence.MappedSuperclass; + +@MappedSuperclass +public abstract class AbstractEntity<K> implements TypedEntity<K> { + + private static final long serialVersionUID = 1L; + + public AbstractEntity() { + } + + public AbstractEntity(K id) { + this.setId(id); + } + + @Override + public int hashCode() { + final int prime = 31; + int result = 1; + result = prime * result + + (this.getId() == null ? 0 : this.getId().hashCode()); + return result; + } + + @Override + public boolean equals(final Object obj) { + + if (this == obj) { + return true; + } + + if (obj == null) { + return false; + } + + if (this.getClass() != obj.getClass()) { + return false; + } + + final AbstractEntity<?> other = (AbstractEntity<?>) obj; + + if (this.getId() == null) { + if (other.getId() != null) { + return false; + } + } else if (!this.getId().equals(other.getId())) { + return false; + } + + return true; + } + +} |