StackOverflow2013

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plurals

PO
primarykey
Id
3031300
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2010-06-13T06:21:37.870
FavoriteCount
0
LastActivityDate
2010-06-13T06:46:02.760
LastEditDate
2010-06-13T06:46:02.760
LastEditorUserId
6365
OwnerUserId
6365
ParentId
3031239
PostTypeId
2
Score
5
ViewCount
0
LastEditorDisplayName
text
Body
Yes you can, one approach is to use some form of byte code manipulation (e.g. <a href="http://www.csg.is.titech.ac.jp/~chiba/javassist/" rel="nofollow noreferrer">javassist</a>, <a href="http://asm.ow2.org/" rel="nofollow noreferrer">ASM</a>, BCEL) or a higher level AOP library sit on top of one of these tools, e.g. <a href="http://www.eclipse.org/aspectj/" rel="nofollow noreferrer">AspectJ</a>, JBoss AOP. Note: most JDO libraries do this for handling persistence. Here is an example using javassist: <pre><code>public class Person { private String firstName; public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } } public static void rewritePersonClass() throws NotFoundException, CannotCompileException { ClassPool pool = ClassPool.getDefault(); CtClass ctPerson = pool.get("Person"); CtClass ctSet = pool.get("java.util.LinkedHashSet"); CtField setField = new CtField(ctSet, "updatedFields", ctPerson); ctPerson.addField(setField, "new java.util.LinkedHashSet();"); CtMethod method = ctPerson.getDeclaredMethod("setFirstName"); method.insertBefore("updatedFields.add(\"firstName\");"); ctPerson.toClass(); } public static void main(String[] args) throws Exception { rewritePersonClass(); Person p = new Person(); p.setFirstName("foo"); Field field = Person.class.getDeclaredField("updatedFields"); field.setAccessible(true); Set<?> s = (Set<?>) field.get(p); System.out.println(s); } </code></pre>
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Title
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PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POInsert code into a method - Java
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 PostTypePostTypeId
 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USMichael Barker
UserOwnerUserId
1. USMichael Barker
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1. VO
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2. VO
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3. VO
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1. This table or related slice is empty.

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