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Code Issues Releases Wiki Activity

ha

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This commit is contained in:
wenshao
2011-12-21 22:36:14 +08:00
parent 5164a4c5ee
commit 903a06aa2e
4 changed files with 32 additions and 4 deletions
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src/main/java/com/alibaba/druid/pool/ha/MultiDataSource.java
+8 -4
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@@ -31,7 +31,7 @@ import com.alibaba.druid.pool.ha.valid.DefaultDataSourceFailureDetecter;
import com.alibaba.druid.proxy.jdbc.DataSourceProxy;
import com.alibaba.druid.util.JdbcUtils;
public abstract class MultiDataSource extends DataSourceAdapter implements MultiDataSourceMBean, DataSourceProxy {
public class MultiDataSource extends DataSourceAdapter implements MultiDataSourceMBean, DataSourceProxy {
private final static Log LOG = LogFactory.getLog(MultiDataSource.class);
@@ -78,7 +78,7 @@ public abstract class MultiDataSource extends DataSourceAdapter implements Multi
private Random random;
private int maxPoolSize;
private int maxPoolSize = 50;
private long activeCount = 0;
@@ -319,7 +319,7 @@ public abstract class MultiDataSource extends DataSourceAdapter implements Multi
if (activeCount >= maxPoolSize) {
notFull.await();
}
MultiDataSourceConnection conn = new MultiDataSourceConnection(this, createConnectionId());
activeCount++;
@@ -341,6 +341,10 @@ public abstract class MultiDataSource extends DataSourceAdapter implements Multi
lock.unlock();
}
}
public int produceRandomNumber() {
return random.nextInt(totalWeight);
}
public MultiConnectionHolder getConnectionInternal(MultiDataSourceConnection multiConn, String sql)
throws SQLException {
@@ -349,7 +353,7 @@ public abstract class MultiDataSource extends DataSourceAdapter implements Multi
final int MAX_RETRY = 10;
for (int i = 0; i < MAX_RETRY; ++i) {
int randomNumber = random.nextInt(totalWeight);
int randomNumber = produceRandomNumber();
DataSourceHolder first = null;
boolean needRetry = false;