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Make RAMDirectory's touchFile method wait long enough for the system clock 

to register a new timestamp. This makes locking logic more robust.


git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150065 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dmitry Serebrennikov 2003-09-25 21:45:58 +00:00
parent 28ef35ee3e
commit 250f13e99c
1 changed files with 32 additions and 17 deletions
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17
src/java/org/apache/lucene/store/RAMDirectory.java
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@ -146,8 +146,23 @@ public final class RAMDirectory extends Directory {
/** Set the modified time of an existing file to now. */
public void touchFile(String name) throws IOException {
final boolean MONITOR = false;
int count = 0;
RAMFile file = (RAMFile)files.get(name);
file.lastModified = System.currentTimeMillis();
long ts2, ts1 = System.currentTimeMillis();
do {
try {
Thread.sleep(0, 1);
} catch (InterruptedException e) {}
ts2 = System.currentTimeMillis();
if (MONITOR) count ++;
} while(ts1 == ts2);
file.lastModified = ts2;
if (MONITOR)
System.out.println("SLEEP COUNT: " + count);
}
/** Returns the length in bytes of a file in the directory. */