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1 package com.daffodilwoods.rmi.server;
2
3 import java.util.*;
4 import java.rmi.server.UnicastRemoteObject  ;
5 import java.rmi.RemoteException ;
6 public class RmiPreparedStatementFactory {
7 private int MIN_POOL_SIZE = 25;
8 private int MAX_POOL_SIZE = 500;
9
10 ArrayList freeStatements;
11
12 public RmiPreparedStatementFactory() {
13 freeStatements = new ArrayList(MAX_POOL_SIZE/2);
14 }
15
16 public synchronized RmiPreparedStatementServerSide getStatement() throws RemoteException {
17 int freeCount = freeStatements.size();
18 if( freeCount == 0 ){
19 return new RmiPreparedStatementServerSide();
20 }
21 else{
22 RmiPreparedStatementServerSide statement = (RmiPreparedStatementServerSide)freeStatements.remove(freeCount-1);
23 statement.deInitialize();
24 return statement;
25 }
26 }
27
28 public synchronized void freeStatement(RmiPreparedStatementServerSide statement) throws RemoteException {
29 if( freeStatements.size() < MAX_POOL_SIZE ){
30 freeStatements.add(statement);
31 }
32 else{
33 UnicastRemoteObject.unexportObject(statement,true);
34 }
35 }
36 }
37 |
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