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OPENJPA-1566: Allow access to keys of the statistics. 

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@922311 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Pinaki Poddar 2010-03-12 16:14:47 +00:00
parent f04031edc1
commit 732ff354b3
1 changed files with 12 additions and 0 deletions
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12
openjpa-kernel/src/main/java/org/apache/openjpa/kernel/QueryStatistics.java
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@ -23,6 +23,7 @@ import java.io.Serializable;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
/**
* Records query execution statistics.
@ -39,6 +40,11 @@ import java.util.Map;
*/
public interface QueryStatistics<T> extends Serializable {
/**
* Gets all the identifier keys for the cached queries.
*/
public Set<T> keys();
/**
* Record that the given query has been executed.
*/
@ -127,6 +133,10 @@ public interface QueryStatistics<T> extends Serializable {
private Date start = new Date();
private Date since = start;
public Set<T> keys() {
return stats.keySet();
}
public long getExecutionCount() {
return stat[READ];
}
@ -205,6 +215,8 @@ public interface QueryStatistics<T> extends Serializable {
}
public void recordExecution(T query) {
if (query == null)
return;
boolean cached = (astats.containsKey(query));
addSample(query, READ);
if (cached)