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Code Issues Releases Wiki Activity

improved init performance.

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This commit is contained in:
shaojin.wensj
2018-12-13 15:34:07 +08:00
parent 26a3af3904
commit 2edd53432b
1 changed files with 26 additions and 10 deletions
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src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+26 -10
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@@ -150,6 +150,9 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
private boolean asyncInit = false;
protected boolean killWhenSocketReadTimeout = false;
private static List<Filter> autoFilters = null;
private boolean loadSpifilterSkip = false;
protected static final AtomicLongFieldUpdater<DruidDataSource> recycleErrorCountUpdater
= AtomicLongFieldUpdater.newUpdater(DruidDataSource.class, "recycleErrorCount");
protected static final AtomicLongFieldUpdater<DruidDataSource> connectErrorCountUpdater
@@ -157,6 +160,7 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
protected static final AtomicLongFieldUpdater<DruidDataSource> resetCountUpdater
= AtomicLongFieldUpdater.newUpdater(DruidDataSource.class, "resetCount");
public DruidDataSource(){
this(false);
}
@@ -480,6 +484,12 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
}
}
}
{
String property = System.getProperty("druid.load.spifilter.skip");
if (property != null && !"false".equals(property)) {
loadSpifilterSkip = true;
}
}
}
public boolean isKillWhenSocketReadTimeout() {
@@ -1008,22 +1018,28 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
* @see ServiceLoader
*/
private void initFromSPIServiceLoader() {
String property = System.getProperty("druid.load.spifilter.skip");
if (property != null) {
if (loadSpifilterSkip) {
return;
}
ServiceLoader<Filter> druidAutoFilterLoader = ServiceLoader.load(Filter.class);
if (autoFilters == null) {
List<Filter> filters = new ArrayList<Filter>();
ServiceLoader<Filter> autoFilterLoader = ServiceLoader.load(Filter.class);
for (Filter autoFilter : druidAutoFilterLoader) {
AutoLoad autoLoad = autoFilter.getClass().getAnnotation(AutoLoad.class);
if (autoLoad != null && autoLoad.value()) {
if (LOG.isInfoEnabled()) {
LOG.info("load filter from spi :" + autoFilter.getClass().getName());
for (Filter filter : autoFilterLoader) {
AutoLoad autoLoad = filter.getClass().getAnnotation(AutoLoad.class);
if (autoLoad != null && autoLoad.value()) {
filters.add(filter);
}
addFilter(autoFilter);
}
autoFilters = filters;
}
for (Filter filter : autoFilters) {
if (LOG.isInfoEnabled()) {
LOG.info("load filter from spi :" + filter.getClass().getName());
}
addFilter(filter);
}
}