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Code Issues Releases Wiki Activity

支持HA

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git-svn-id: http://code.alibabatech.com/svn/druid/trunk@460 b9813039-fb51-4c41-a8b9-e21c2acb5095
This commit is contained in:
wenshao
2011-07-17 08:36:42 +00:00
parent eaf877fd4e
commit ab2fb2ad56
6 changed files with 898 additions and 32 deletions
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src/main/java/com/alibaba/druid/pool/ha/HADataSource.java
+13 -3
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@@ -16,7 +16,8 @@ public class HADataSource extends MultiDataSource implements DataSource {
private final static Log LOG = LogFactory.getLog(HADataSource.class);
private final AtomicInteger requestCount = new AtomicInteger();
private final AtomicInteger connectionIdSeed = new AtomicInteger();
private final AtomicInteger statementIdSeed = new AtomicInteger();
private final AtomicInteger indexErrorCount = new AtomicInteger();
protected final List<DruidDataSource> notAvailableDatasources = new CopyOnWriteArrayList<DruidDataSource>();
@@ -26,8 +27,17 @@ public class HADataSource extends MultiDataSource implements DataSource {
@Override
public Connection getConnection() throws SQLException {
int requestNumber = connectionIdSeed.getAndIncrement();
return new HAConnection(this, requestNumber);
}
public int createStatementId() {
return statementIdSeed.getAndIncrement();
}
public Connection getConnectionInternal(int requestNumber) throws SQLException {
int tryCount = 0;
int requestNumber = requestCount.getAndIncrement();
for (;;) {
int size = dataSources.size();
@@ -76,7 +86,7 @@ public class HADataSource extends MultiDataSource implements DataSource {
return conn;
}
}
void handleNotAwailableDatasource(DruidDataSource dataSource) {
boolean removed = dataSources.remove(dataSource);
if (removed) {