Example usage for org.apache.commons.pool KeyedObjectPool getNumActive

Introduction

In this page you can find the example usage for org.apache.commons.pool KeyedObjectPool getNumActive.

Prototype

int getNumActive() throws UnsupportedOperationException;

Source Link

Document

Returns the total number of instances current borrowed from this pool but not yet returned (optional operation).

Usage

From source file:edu.illinois.enforcemop.examples.apache.pool.TestBaseKeyedObjectPool.java

public void testUnsupportedOperations() throws Exception {
    if (!getClass().equals(TestBaseKeyedObjectPool.class)) {
        return; // skip redundant tests
    }/* w w w .  j av  a2s .c o m*/
    KeyedObjectPool pool = new BaseKeyedObjectPool() {
        public Object borrowObject(Object key) {
            return null;
        }

        public void returnObject(Object key, Object obj) {
        }

        public void invalidateObject(Object key, Object obj) {
        }
    };

    try {
        pool.addObject("key");
        fail("Expected UnsupportedOperationException");
    } catch (UnsupportedOperationException e) {
        // expected
    }

    assertTrue("Negative expected.", pool.getNumIdle() < 0);
    assertTrue("Negative expected.", pool.getNumIdle("key") < 0);
    assertTrue("Negative expected.", pool.getNumActive() < 0);
    assertTrue("Negative expected.", pool.getNumActive("key") < 0);

    try {
        pool.clear();
        fail("Expected UnsupportedOperationException");
    } catch (UnsupportedOperationException e) {
        // expected
    }

    try {
        pool.clear("key");
        fail("Expected UnsupportedOperationException");
    } catch (UnsupportedOperationException e) {
        // expected
    }

    try {
        pool.setFactory(null);
        fail("Expected UnsupportedOperationException");
    } catch (UnsupportedOperationException e) {
        // expected
    }

    pool.close(); // a no-op, probably should be remove

}

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From source file:edu.illinois.enforcemop.examples.apache.pool.TestKeyedObjectPool.java

public void testClosedPoolBehavior() throws Exception {
    final KeyedObjectPool pool;
    try {//from   w  w  w  .jav a2 s .  co  m
        pool = makeEmptyPool(new BaseKeyedPoolableObjectFactory() {
            public Object makeObject(final Object key) throws Exception {
                return new Object();
            }
        });
    } catch (UnsupportedOperationException uoe) {
        return; // test not supported
    }

    Object o1 = pool.borrowObject(KEY);
    Object o2 = pool.borrowObject(KEY);

    pool.close();

    try {
        pool.addObject(KEY);
        fail("A closed pool must throw an IllegalStateException when addObject is called.");
    } catch (IllegalStateException ise) {
        // expected
    }

    try {
        pool.borrowObject(KEY);
        fail("A closed pool must throw an IllegalStateException when borrowObject is called.");
    } catch (IllegalStateException ise) {
        // expected
    }

    // The following should not throw exceptions just because the pool is closed.
    assertEquals("A closed pool shouldn't have any idle objects.", 0, pool.getNumIdle(KEY));
    assertEquals("A closed pool shouldn't have any idle objects.", 0, pool.getNumIdle());
    pool.getNumActive();
    pool.getNumActive(KEY);
    pool.returnObject(KEY, o1);
    assertEquals("returnObject should not add items back into the idle object pool for a closed pool.", 0,
            pool.getNumIdle(KEY));
    assertEquals("returnObject should not add items back into the idle object pool for a closed pool.", 0,
            pool.getNumIdle());
    pool.invalidateObject(KEY, o2);
    pool.clear(KEY);
    pool.clear();
    pool.close();
}

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