Questions tagged [safe-publication]
42 questions
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Logical Replication Structure Change History Sync
Lately I am using PostgreSQL for replicating some data from multiple databases to a single database. For testing the Logical Replication I have created a simple example transferring data from one database to another only for a single table. The idea…
Stavros Koureas
- 1,126
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- 34
0
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0 answers
PostgreSQL Logical Replication Skip LSN of previous iteration
Lately I am using PostgreSQL for replicating some data from multiple databases to a single database. For testing the Logical Replication I have created a simple example transferring data from one database to another only for a single table. The idea…
Stavros Koureas
- 1,126
- 12
- 34
0
votes
2 answers
Object Publication and Escape Java concurrency , how does this reference exactly escapes here?
I was recently going through "Java Concurrency in practice" and came across example of Publication and Escape , after going through it several times I still feel that I didn't completely understood the example.
public class ThisEscape{
…
Anand Kadhi
- 1,790
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Visibility of final fields not set in constructor
I've seen a class do something like this
class Foo {
private final Set set = Collections.synchronizedSet(new HashSet<>));
public void add(Bar b) {
set.add(b);
}
}
However, the final set is not initialized in the…
katiex7
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- 23
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1 answer
When a form is handled in JSF, does it all happen in one thread?
Say I have this piece of code
#{hour.time}
…
katiex7
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- 23
0
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2 answers
Is calling start() on a object of this class safe? An example from Java Concurrency in practice
First off, I will give links to the source code that I will be talking about since copy/paste would make this question page too long.
In Listing 5.15 http://jcip.net/listings/CellularAutomata.java of JCIP, I imagine that in some main method, one…
katiex7
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0
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0 answers
Is Concurrency In practice listing 5.15 broken?
In JCIP, listing 5.15, Goetz demonstrates a class using CyclicBarrier, but what intrigued me was that inside of the constructor of the class that uses this barrier, he lets the this reference escape by instantiating a new CyclicBarrier.
For other…
user8829487
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- 2
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Why SafePoint threadSafe?(concurrency in practice )
I am reading the concurrency in practice.
There is following example(4.3.5):
@ThreadSafe
public class SafePoint {
@GuardedBy("this") private int x, y;
private SafePoint(int[] a) { this(a[0], a[1]); }
public SafePoint(SafePoint p) {…
gstackoverflow
- 36,709
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- 710
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1 answer
safe publication, argument passing
I have two threads, each has its own counter: thread A has counterA, thread B has counterB. Each thread has to use both counters: thread A has to use counterA and counterB, also thread B has to use both.
I am using AtomicInteger and to share the…
Gibezynu Nu
- 354
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0 answers
Constructor publishing itself then throwing exception
In following code snippet, will published object be garbage collected ? Is there any chance that published will stay around as a half constructed object ?
final class Publisher
{
public static volatile Publisher published;
public…
Mac
- 1,711
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0
votes
1 answer
How can I tell the difference between source and published .NET code?
How can I tell the difference between source and published .NET code?
I am looking at some inherited code that I have not touched in about a year. The original designer had me first publish locally before uploading the published code to the…
xarzu
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- 160
-1
votes
1 answer
Are static blocks executed in sequential order? Also what if it isn't a block
Are these lines with static initializers guaranteed to run in order? Because if not then things might go wrong
public Class x {
private static final BasicDataSource ds = new BasicDataSource();
private static final JdbcTemplate jdbcTemplate =…
katiex7
- 863
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- 23