PreCollectionRemoveEventListener[] preListeners = getSession().getListeners() .getPreCollectionRemoveEventListeners(); if (preListeners.length>0) { PreCollectionRemoveEvent preEvent = new PreCollectionRemoveEvent( getPersister(), getCollection(), ( EventSource ) getSession(), affectedOwner ); for ( int i = 0; i < preListeners.length; i++ ) { preListeners[i].onPreRemoveCollection(preEvent); } }
PostDeleteEventListener[] postListeners = getSession().getListeners() .getPostDeleteEventListeners(); if (postListeners.length>0) { PostDeleteEvent postEvent = new PostDeleteEvent( getInstance(), getId(), state, getPersister(), (EventSource) getSession() ); for ( int i = 0; i < postListeners.length; i++ ) { postListeners[i].onPostDelete(postEvent); } }
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/action/CollectionRemoveAction.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/action/EntityDeleteAction.java
Method name: void preRemove() Method name: void postDelete()
Number of AST nodes: 5 Number of AST nodes: 5
1
PreCollectionRemoveEventListener[] preListeners = getSession().getListeners()
1
PostDeleteEventListener[] postListeners = getSession().getListeners()
2
				.getPreCollectionRemoveEventListeners();
2
				.getPostDeleteEventListeners();
3
		if (preListeners.length>0) {
3
		if (postListeners.length>0) {
4
			PreCollectionRemoveEvent preEvent = new PreCollectionRemoveEvent(
4
			PostDeleteEvent postEvent = new P
5
					getPersister(), getCollection(), ( 
5
ostDeleteEvent(
6
					getInstance(),
7
					getId(),
8
					state,
9
					getPersister(),
6
EventSource ) getSession(), affectedOwner 
10
					(EventSource) getSession() 
7
);
11
			);
8
			for ( int i = 0; i < preListeners.length; i++ ) {
12
			for ( int i = 0; i < postListeners.length; i++ ) {
9
				preListeners[i].onPreRemoveCollection(preEvent);
13
				postListeners[i].onPostDelete(postEvent);
10
			}
14
			}
11
		}
15
		}
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.3
Clones locationClones are in different classes
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)31.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                                                                                              
    1
    PostDeleteEventListener[] postListeners = getSession().getListeners().getPostDeleteEventListeners();
    1
    PreCollectionRemoveEventListener[] preListeners = getSession().getListeners().getPreCollectionRemoveEventListeners();
                                                                                                                                                                                                                                                
    2
    if (preListeners.length > 0)
    2
    if (preListeners.length > 0)
    2
    if (postListeners.length > 0)
    Differences
    Expression1Expression2Difference
    preListenerspostListenersVARIABLE_NAME_MISMATCH
    org.hibernate.event.PreCollectionRemoveEventListener[]org.hibernate.event.PostDeleteEventListener[]VARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable preListeners.length does not match with type int of variable postListeners.length
    • Make classes org.hibernate.event.PreCollectionRemoveEventListener[] and org.hibernate.event.PostDeleteEventListener[] extend a common superclass
    2
    if (postListeners.length > 0)
    3
    PreCollectionRemoveEvent preEvent = new PreCollectionRemoveEvent(getPersister(), getCollection(), (EventSource)getSession(), affectedOwner);
    3
    PreCollectionRemoveEvent preEvent = new PreCollectionRemoveEvent(getPersister(), getCollection(), (EventSource)getSession(), affectedOwner);
    3
    PostDeleteEvent postEvent = new PostDeleteEvent(getInstance(), getId(), state, getPersister(), (EventSource)getSession());
    Differences
    Expression1Expression2Difference
    org.hibernate.event.PreCollectionRemoveEventorg.hibernate.event.PostDeleteEventSUBCLASS_TYPE_MISMATCH
    preEventpostEventVARIABLE_NAME_MISMATCH
    org.hibernate.event.PreCollectionRemoveEventorg.hibernate.event.PostDeleteEventSUBCLASS_TYPE_MISMATCH
    org.hibernate.event.PreCollectionRemoveEventorg.hibernate.event.PostDeleteEventSUBCLASS_TYPE_MISMATCH
    new PreCollectionRemoveEvent(getPersister(),getCollection(),(EventSource)getSession(),affectedOwner)new PostDeleteEvent(getInstance(),getId(),state,getPersister(),(EventSource)getSession())ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new PostDeleteEvent(getInstance(),getId(),state,getPersister(),(EventSource)getSession()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new PostDeleteEvent(getInstance(),getId(),state,getPersister(),(EventSource)getSession()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3
    PostDeleteEvent postEvent = new PostDeleteEvent(getInstance(), getId(), state, getPersister(), (EventSource)getSession());
    4
    for (int i = 0; i < preListeners.length; i++)
    4
    for (int i = 0; i < preListeners.length; i++)
    4
    for (int i = 0; i < postListeners.length; i++)
    Differences
    Expression1Expression2Difference
    preListenerspostListenersVARIABLE_NAME_MISMATCH
    org.hibernate.event.PreCollectionRemoveEventListener[]org.hibernate.event.PostDeleteEventListener[]VARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type int of variable preListeners.length does not match with type int of variable postListeners.length
    • Make classes org.hibernate.event.PreCollectionRemoveEventListener[] and org.hibernate.event.PostDeleteEventListener[] extend a common superclass
    4
    for (int i = 0; i < postListeners.length; i++)
                                                                                            
    5
    postListeners[i].onPostDelete(postEvent);
    Preondition Violations
    Unmatched statement postListeners[i].onPostDelete(postEvent); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5
    postListeners[i].onPostDelete(postEvent);
    5
    preListeners[i].onPreRemoveCollection(preEvent);
    5
    preListeners[i].onPreRemoveCollection(preEvent);
    Preondition Violations
    Unmatched statement preListeners[i].onPreRemoveCollection(preEvent); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                                          
    Precondition Violations (8)
    Row Violation
    1Type int of variable preListeners.length does not match with type int of variable postListeners.length
    2Expression new PostDeleteEvent(getInstance(),getId(),state,getPersister(),(EventSource)getSession()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression new PostDeleteEvent(getInstance(),getId(),state,getPersister(),(EventSource)getSession()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Type int of variable preListeners.length does not match with type int of variable postListeners.length
    5Unmatched statement postListeners[i].onPostDelete(postEvent); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    6Unmatched statement preListeners[i].onPreRemoveCollection(preEvent); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    7Clone fragment #1 returns variables preEvent, i , while Clone fragment #2 returns variables postEvent, i
    8The refactoring of the clones is infeasible, because classes org.hibernate.action.CollectionRemoveAction and org.hibernate.action.EntityDeleteAction do not have a common superclass