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mbean支持shrink

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git-svn-id: http://code.alibabatech.com/svn/druid/trunk@541 b9813039-fb51-4c41-a8b9-e21c2acb5095
This commit is contained in:
wenshao
2011-08-30 06:05:31 +00:00
parent dd4ba99f91
commit aa4965e0f7
2 changed files with 45 additions and 4 deletions
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src/main/java/com/alibaba/druid/pool/DruidDataSource.java
+32 -4
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@@ -743,9 +743,11 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
}
}
int removeCount = evictList.size();
System.arraycopy(connections, removeCount, connections, 0, count - removeCount);
Arrays.fill(connections, count - removeCount, count, null);
count -= removeCount;
if (removeCount > 0) {
System.arraycopy(connections, removeCount, connections, 0, count - removeCount);
Arrays.fill(connections, count - removeCount, count, null);
count -= removeCount;
}
} finally {
lock.unlock();
}
@@ -1128,6 +1130,32 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
@Override
public void shrink() {
throw new UnsupportedOperationException();
final List<ConnectionHolder> evictList = new ArrayList<ConnectionHolder>();
lock.lock();
try {
for (int i = 0; i < count; ++i) {
ConnectionHolder connection = connections[i];
if (count - evictList.size() <= minIdle) {
break;
}
evictList.add(connection);
}
int removeCount = evictList.size();
if (removeCount > 0) {
System.arraycopy(connections, removeCount, connections, 0, count - removeCount);
Arrays.fill(connections, count - removeCount, count, null);
count -= removeCount;
}
} finally {
lock.unlock();
}
for (ConnectionHolder item : evictList) {
Connection connection = item.getConnection();
JdbcUtils.close(connection);
destroyCount++;
}
}
}