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Add histogramType for statistics

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This commit is contained in:
Ankit Gupta
2014-04-16 21:38:33 -07:00
parent 144066a8ff
commit 320ae72e17
7 changed files with 60 additions and 14 deletions
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9
java/org/rocksdb/Options.java
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@@ -220,13 +220,16 @@ public class Options {
*
* @see createStatistics()
*/
public long statisticsPtr() {
public Statistics statisticsPtr() {
assert(isInitialized());
long statsPtr = statisticsPtr(nativeHandle_);
assert(statsPtr != 0);
if(statsPtr == 0) {
createStatistics();
statsPtr = statisticsPtr(nativeHandle_);
}
return statsPtr;
return new Statistics(statsPtr);
}
/**

11
java/org/rocksdb/Statistics.java
View File

@@ -11,7 +11,7 @@ package org.rocksdb;
*/
public class Statistics {
private long statsHandle_;
private final long statsHandle_;
public Statistics(long statsHandle) {
statsHandle_ = statsHandle;
@@ -22,9 +22,16 @@ public class Statistics {
return getTickerCount0(tickerType.getValue(), statsHandle_);
}
public HistogramData geHistogramData(HistogramType histogramType) {
assert(isInitialized());
HistogramData hist = geHistogramData0(histogramType.getValue(), statsHandle_);
return hist;
}
private boolean isInitialized() {
return (statsHandle_ != 0);
}
private native long getTickerCount0(int ticker, long handle);
private native long getTickerCount0(int tickerType, long handle);
private native HistogramData geHistogramData0(int histogramType, long handle);
}