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Code Issues Releases Wiki Activity

修正cache preparedStatement的问题

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git-svn-id: http://code.alibabatech.com/svn/druid/trunk@931 b9813039-fb51-4c41-a8b9-e21c2acb5095
This commit is contained in:
wenshao
2011-10-09 04:02:18 +00:00
parent 6820a7f52b
commit 8f6bcf8207
5 changed files with 23 additions and 11 deletions
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src/main/java/com/alibaba/druid/pool/PreparedStatementPool.java
+11 -5
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@@ -27,7 +27,7 @@ import com.alibaba.druid.pool.PoolablePreparedStatement.PreparedStatementKey;
public class PreparedStatementPool {
private final Map<PreparedStatementKey, PreparedStatementHolder> map;
private final DruidAbstractDataSource dataSource;
private final DruidAbstractDataSource dataSource;
public PreparedStatementPool(ConnectionHolder holder){
this.dataSource = holder.getDataSource();
@@ -35,7 +35,7 @@ public class PreparedStatementPool {
if (initCapacity <= 0) {
initCapacity = 16;
}
map = new LRUCache<PreparedStatementKey, PreparedStatementHolder>(initCapacity);
map = new LRUCache(initCapacity);
}
public static enum MethodType {
@@ -64,7 +64,7 @@ public class PreparedStatementPool {
return map;
}
public class LRUCache<K, V> extends LinkedHashMap<K, V> {
public class LRUCache extends LinkedHashMap<PreparedStatementKey, PreparedStatementHolder> {
private static final long serialVersionUID = 1L;
@@ -72,8 +72,14 @@ public class PreparedStatementPool {
super(maxSize);
}
protected boolean removeEldestEntry(Entry<K, V> eldest) {
return (size() > dataSource.getMaxPoolPreparedStatementPerConnectionSize());
protected boolean removeEldestEntry(Entry<PreparedStatementKey, PreparedStatementHolder> eldest) {
boolean remove = (size() > dataSource.getMaxPoolPreparedStatementPerConnectionSize());
if (remove) {
dataSource.closePreapredStatement(eldest.getValue());
}
return remove;
}
}
}