Examples of org.apache.commons.pool.ObjectPool.borrowObject()

Class org.apache.commons.pool.ObjectPool

Examples of org.apache.commons.pool.ObjectPool.borrowObject()

org.apache.commons.pool.ObjectPool.borrowObject()
Obtain an instance from my pool. By contract, clients MUST return the borrowed instance using {@link #returnObject(java.lang.Object) returnObject}or a related method as defined in an implementation or sub-interface.
The behaviour of this method when the pool has been exhausted is not specified (although it may be specified by implementations). @return an instance from my pool.

            fail("Expected NoSuchElementException");
        } catch(NoSuchElementException e) {
            // expected
        }
        pool.setFactory(new SimpleFactory());
        Object obj = pool.borrowObject();
        assertNotNull(obj);
        pool.returnObject(obj);
    }


    /**

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     * @deprecated - to be removed in pool 2.0
     */
    public void testCantResetFactoryWithActiveObjects() throws Exception {
        ObjectPool pool = new StackObjectPool();
        pool.setFactory(new SimpleFactory());
        Object obj = pool.borrowObject();
        assertNotNull(obj);


        try {
            pool.setFactory(new SimpleFactory());
            fail("Expected IllegalStateException");

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     */
    public void testCanResetFactoryWithoutActiveObjects() throws Exception {
        ObjectPool pool = new StackObjectPool();
        {
            pool.setFactory(new SimpleFactory());
            Object obj = pool.borrowObject();        
            assertNotNull(obj);
            pool.returnObject(obj);
        }
        {
            pool.setFactory(new SimpleFactory());

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            assertNotNull(obj);
            pool.returnObject(obj);
        }
        {
            pool.setFactory(new SimpleFactory());
            Object obj = pool.borrowObject();        
            assertNotNull(obj);
            pool.returnObject(obj);
        }
    }

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            Object object = null;
            int k = 0;
            while (object == null && k < 100) { // bound not really needed
                try {
                    k++;
                    object = pool.borrowObject();
                    if (((Integer) object).intValue() % 2 == 0) {
                        fail("Expecting NoSuchElementException");
                    } else {
                        obj[i] = object; 
                    }

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            pool.returnObject(obj[i]);
            assertEquals("Each time we return, get one less active.", 9-i, pool.getNumActive());
        }
        // 3, 9, 15 fail passivation.  
        assertEquals(7,pool.getNumIdle());
        assertEquals(new Integer(19), pool.borrowObject());
        assertEquals(new Integer(17), pool.borrowObject());
        assertEquals(new Integer(13), pool.borrowObject());
        assertEquals(new Integer(11), pool.borrowObject());
        assertEquals(new Integer(7), pool.borrowObject());
        assertEquals(new Integer(5), pool.borrowObject());

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            assertEquals("Each time we return, get one less active.", 9-i, pool.getNumActive());
        }
        // 3, 9, 15 fail passivation.  
        assertEquals(7,pool.getNumIdle());
        assertEquals(new Integer(19), pool.borrowObject());
        assertEquals(new Integer(17), pool.borrowObject());
        assertEquals(new Integer(13), pool.borrowObject());
        assertEquals(new Integer(11), pool.borrowObject());
        assertEquals(new Integer(7), pool.borrowObject());
        assertEquals(new Integer(5), pool.borrowObject());
        assertEquals(new Integer(1), pool.borrowObject());

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        }
        // 3, 9, 15 fail passivation.  
        assertEquals(7,pool.getNumIdle());
        assertEquals(new Integer(19), pool.borrowObject());
        assertEquals(new Integer(17), pool.borrowObject());
        assertEquals(new Integer(13), pool.borrowObject());
        assertEquals(new Integer(11), pool.borrowObject());
        assertEquals(new Integer(7), pool.borrowObject());
        assertEquals(new Integer(5), pool.borrowObject());
        assertEquals(new Integer(1), pool.borrowObject());     
    }

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        pool = createObjectPool(sessionManager);
        this.serverSessionPools.put(sessionManager, pool);
      }
    }
    try {
      return (ServerSession) pool.borrowObject();
    }
    catch (Exception ex) {
      JMSException jmsEx = new JMSException("Failed to borrow ServerSession from pool");
      jmsEx.setLinkedException(ex);
      throw jmsEx;

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        pool = createObjectPool(sessionManager);
        this.serverSessionPools.put(sessionManager, pool);
      }
    }
    try {
      return (ServerSession) pool.borrowObject();
    }
    catch (Exception ex) {
      JMSException jmsEx = new JMSException("Failed to borrow ServerSession from pool");
      jmsEx.setLinkedException(ex);
      throw jmsEx;

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