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git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/branches/newtrunk@925626 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Mark Robert Miller 2010-03-20 15:15:34 +00:00
parent a75151efd5
commit aa9b85c260
1 changed files with 8 additions and 10 deletions
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18
solr/src/java/org/apache/solr/core/RefCntRamDirectory.java
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@ -7,37 +7,35 @@ import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory; import org.apache.lucene.store.RAMDirectory;
public class RefCntRamDirectory extends RAMDirectory { public class RefCntRamDirectory extends RAMDirectory {
private final AtomicInteger refCount = new AtomicInteger(); private final AtomicInteger refCount = new AtomicInteger();
public RefCntRamDirectory() { public RefCntRamDirectory() {
super(); super();
incRef(); refCount.set(1);
} }
public RefCntRamDirectory(Directory dir) throws IOException { public RefCntRamDirectory(Directory dir) throws IOException {
this(); this();
Directory.copy(dir, this, false); Directory.copy(dir, this, false);
} }
public void incRef() { public void incRef() {
ensureOpen(); ensureOpen();
refCount.incrementAndGet(); refCount.incrementAndGet();
} }
public void decRef() { public void decRef() {
ensureOpen(); ensureOpen();
if (refCount.getAndDecrement() == 1) { if (refCount.getAndDecrement() == 1) {
super.close(); super.close();
} }
} }
public final synchronized void close() { public final synchronized void close() {
if (isOpen) { decRef();
decRef();
}
} }
public boolean isOpen() { public boolean isOpen() {
return isOpen; return isOpen;
} }