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HCOLL-392 Add entry checksums

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leventov
2015-09-26 23:34:44 +03:00
parent ff90218c0a
commit 22b964e069
27 changed files with 581 additions and 16 deletions
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src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java
+22 -1
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@@ -20,6 +20,7 @@ import net.openhft.chronicle.core.OS;
import net.openhft.chronicle.hash.ChronicleHashBuilder;
import net.openhft.chronicle.hash.ChronicleHashBuilderPrivateAPI;
import net.openhft.chronicle.hash.ChronicleHashInstanceBuilder;
import net.openhft.chronicle.hash.impl.stage.entry.ChecksumStrategy;
import net.openhft.chronicle.hash.impl.util.math.PoissonDistribution;
import net.openhft.chronicle.hash.replication.*;
import net.openhft.chronicle.hash.serialization.*;
@@ -162,7 +163,10 @@ public final class ChronicleMapBuilder<K, V> implements
private double maxBloatFactor = 1.0;
private boolean allowSegmentTiering = true;
private double nonTieredSegmentsPercentile = 0.99999;
private boolean aligned64BitMemoryOperationsAtomic = OS.is64Bit() ? true : false;
private boolean aligned64BitMemoryOperationsAtomic = OS.is64Bit();
enum ChecksumEntries {YES, NO, IF_PERSISTED}
private ChecksumEntries checksumEntries = ChecksumEntries.IF_PERSISTED;
private boolean putReturnsNull = false;
private boolean removeReturnsNull = false;
@@ -534,6 +538,8 @@ public final class ChronicleMapBuilder<K, V> implements
size += keySize;
if (replicated)
size += ReplicatedChronicleMap.ADDITIONAL_ENTRY_BYTES;
if (checksumEntries())
size += ChecksumStrategy.CHECKSUM_STORED_BYTES;
double valueSize = averageValueSize();
size += averageSizeEncodingSize(valueBuilder, valueSize);
Alignment alignment = valueAlignment();
@@ -1240,6 +1246,21 @@ public final class ChronicleMapBuilder<K, V> implements
return this;
}
@Override
public ChronicleMapBuilder<K, V> checksumEntries(boolean checksumEntries) {
this.checksumEntries = checksumEntries ? ChecksumEntries.YES : ChecksumEntries.NO;
return this;
}
boolean checksumEntries() {
switch (checksumEntries) {
case NO: return false;
case YES: return true;
case IF_PERSISTED: return persisted;
default: throw new AssertionError();
}
}
boolean aligned64BitMemoryOperationsAtomic() {
return aligned64BitMemoryOperationsAtomic;
}