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optimize usage of size() cache

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Michael Peter Christen 2014-11-23 20:07:32 +01:00
parent ee277b9b3e
commit 4920ab7b76
1 changed files with 4 additions and 0 deletions
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4
source/net/yacy/kelondro/index/OnDemandOpenFileIndex.java
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@ -160,6 +160,7 @@ public class OnDemandOpenFileIndex implements Index, Iterable<Row.Entry> {
@Override
public synchronized Entry get(final byte[] key, final boolean forcecopy) throws IOException {
if (this.sizecache == 0) return null;
Index index = getIndex();
if (index == null) return null;
try {
@ -174,6 +175,7 @@ public class OnDemandOpenFileIndex implements Index, Iterable<Row.Entry> {
@Override
public synchronized Map<byte[], Row.Entry> get(final Collection<byte[]> keys, final boolean forcecopy) throws IOException, InterruptedException {
final Map<byte[], Row.Entry> map = new TreeMap<byte[], Row.Entry>(row().objectOrder);
if (this.sizecache == 0) return map;
Row.Entry entry;
for (final byte[] key: keys) {
entry = get(key, forcecopy);
@ -184,6 +186,7 @@ public class OnDemandOpenFileIndex implements Index, Iterable<Row.Entry> {
@Override
public synchronized boolean has(final byte[] key) {
if (this.sizecache == 0) return false;
Index index = getIndex();
if (index == null) return false;
boolean b = index.has(key);
@ -193,6 +196,7 @@ public class OnDemandOpenFileIndex implements Index, Iterable<Row.Entry> {
@Override
public synchronized boolean isEmpty() {
if (this.sizecache == 0) return true;
Index index = getIndex();
if (index == null) return true;
boolean b = index.isEmpty();