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1 package org.hibernate.action;
3
4 import org.hibernate.AssertionFailure;
5 import org.hibernate.engine.SessionImplementor;
6 import org.hibernate.persister.entity.EntityPersister;
7 import org.hibernate.pretty.MessageHelper;
8 import org.hibernate.util.StringHelper;
9
10 import java.io.IOException  ;
11 import java.io.ObjectInputStream ;
12 import java.io.Serializable ;
13
14
18 public abstract class EntityAction implements Executable, Serializable , Comparable {
19
20 private final SessionImplementor session;
21 private final Serializable id;
22 private final Object instance;
23 private final String entityName;
24
25 private transient EntityPersister persister;
26
27 protected EntityAction(SessionImplementor session, Serializable id, Object instance, EntityPersister persister) {
28 this.session = session;
29 this.id = id;
30 this.persister = persister;
31 this.instance = instance;
32 this.entityName = persister.getEntityName();
33 }
34
35 private void readObject(ObjectInputStream ois) throws IOException , ClassNotFoundException {
36 ois.defaultReadObject();
37 persister = session.getFactory()
38 .getEntityPersister( entityName );
39 }
40
41 public final Serializable [] getPropertySpaces() {
42 return persister.getPropertySpaces();
43 }
44
45 protected final SessionImplementor getSession() {
46 return session;
47 }
48
49 protected final Serializable getId() {
50 return id;
51 }
52
53 protected final EntityPersister getPersister() {
54 return persister;
55 }
56
57 protected final Object getInstance() {
58 return instance;
59 }
60
61 public void beforeExecutions() {
62 throw new AssertionFailure( "beforeExecutions() called for non-collection action" );
63 }
64
65 public boolean hasAfterTransactionCompletion() {
66 return persister.hasCache();
67 }
68
69 public String toString() {
70 return StringHelper.unqualify( getClass().getName() ) + MessageHelper.infoString( entityName, id );
71 }
72
73 public int compareTo(Object other) {
74 EntityAction action = ( EntityAction ) other;
75 int roleComparison = entityName.compareTo( action.entityName );
77 if ( roleComparison != 0 ) {
78 return roleComparison;
79 }
80 else {
81 return persister.getIdentifierType()
83 .compare( id, action.id, session.getEntityMode() );
84 }
85 }
86 }
87
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