testpoolutils.html

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<a name="496" href="#496">496</a>         <strong>final</strong> List expectedMethods = invokeEveryMethod(sop);
<a name="497" href="#497">497</a>         assertEquals(expectedMethods, calledMethods);
<a name="498" href="#498">498</a> 
<a name="499" href="#499">499</a>         <em class="comment">// TODO: Anyone feel motivated to construct a test that verifies proper synchronization?</em>
<a name="500" href="#500">500</a>     }
<a name="501" href="#501">501</a> 
<a name="502" href="#502">502</a>     <strong>public</strong> <strong>void</strong> testSynchronizedPoolKeyedObjectPool() throws Exception {
<a name="503" href="#503">503</a>         <strong>try</strong> {
<a name="504" href="#504">504</a>             PoolUtils.synchronizedPool((KeyedObjectPool)<strong>null</strong>);
<a name="505" href="#505">505</a>             fail(<span class="string">"PoolUtils.synchronizedPool(KeyedObjectPool) must not allow a null pool."</span>);
<a name="506" href="#506">506</a>         } <strong>catch</strong>(IllegalArgumentException iae) {
<a name="507" href="#507">507</a>             <em class="comment">// expected</em>
<a name="508" href="#508">508</a>         }
<a name="509" href="#509">509</a> 
<a name="510" href="#510">510</a>         <strong>final</strong> List calledMethods = <strong>new</strong> ArrayList();
<a name="511" href="#511">511</a>         <strong>final</strong> KeyedObjectPool kop = (KeyedObjectPool)createProxy(KeyedObjectPool.<strong>class</strong>, calledMethods);
<a name="512" href="#512">512</a> 
<a name="513" href="#513">513</a>         <strong>final</strong> KeyedObjectPool skop = PoolUtils.synchronizedPool(kop);
<a name="514" href="#514">514</a>         <strong>final</strong> List expectedMethods = invokeEveryMethod(skop);
<a name="515" href="#515">515</a>         assertEquals(expectedMethods, calledMethods);
<a name="516" href="#516">516</a> 
<a name="517" href="#517">517</a>         <em class="comment">// TODO: Anyone feel motivated to construct a test that verifies proper synchronization?</em>
<a name="518" href="#518">518</a>     }
<a name="519" href="#519">519</a> 
<a name="520" href="#520">520</a>     <strong>public</strong> <strong>void</strong> testSynchronizedPoolableFactoryPoolableObjectFactory() throws Exception {
<a name="521" href="#521">521</a>         <strong>try</strong> {
<a name="522" href="#522">522</a>             PoolUtils.synchronizedPoolableFactory((PoolableObjectFactory)<strong>null</strong>);
<a name="523" href="#523">523</a>             fail(<span class="string">"PoolUtils.synchronizedPoolableFactory(PoolableObjectFactory) must not allow a null factory."</span>);
<a name="524" href="#524">524</a>         } <strong>catch</strong>(IllegalArgumentException iae) {
<a name="525" href="#525">525</a>             <em class="comment">// expected</em>
<a name="526" href="#526">526</a>         }
<a name="527" href="#527">527</a> 
<a name="528" href="#528">528</a>         <strong>final</strong> List calledMethods = <strong>new</strong> ArrayList();
<a name="529" href="#529">529</a>         <strong>final</strong> PoolableObjectFactory pof =
<a name="530" href="#530">530</a>                 (PoolableObjectFactory)createProxy(PoolableObjectFactory.<strong>class</strong>, calledMethods);
<a name="531" href="#531">531</a> 
<a name="532" href="#532">532</a>         <strong>final</strong> PoolableObjectFactory spof = PoolUtils.synchronizedPoolableFactory(pof);
<a name="533" href="#533">533</a>         <strong>final</strong> List expectedMethods = invokeEveryMethod(spof);
<a name="534" href="#534">534</a>         assertEquals(expectedMethods, calledMethods);
<a name="535" href="#535">535</a> 
<a name="536" href="#536">536</a>         <em class="comment">// TODO: Anyone feel motivated to construct a test that verifies proper synchronization?</em>
<a name="537" href="#537">537</a>     }
<a name="538" href="#538">538</a> 
<a name="539" href="#539">539</a>     <strong>public</strong> <strong>void</strong> testSynchronizedPoolableFactoryKeyedPoolableObjectFactory() throws Exception {
<a name="540" href="#540">540</a>         <strong>try</strong> {
<a name="541" href="#541">541</a>             PoolUtils.synchronizedPoolableFactory((KeyedPoolableObjectFactory)<strong>null</strong>);
<a name="542" href="#542">542</a>             fail(<span class="string">"PoolUtils.synchronizedPoolableFactory(KeyedPoolableObjectFactory) must not allow a null factory."</span>);
<a name="543" href="#543">543</a>         } <strong>catch</strong>(IllegalArgumentException iae) {
<a name="544" href="#544">544</a>             <em class="comment">// expected</em>
<a name="545" href="#545">545</a>         }
<a name="546" href="#546">546</a> 
<a name="547" href="#547">547</a>         <strong>final</strong> List calledMethods = <strong>new</strong> ArrayList();
<a name="548" href="#548">548</a>         <strong>final</strong> KeyedPoolableObjectFactory kpof =
<a name="549" href="#549">549</a>                 (KeyedPoolableObjectFactory)createProxy(KeyedPoolableObjectFactory.<strong>class</strong>, calledMethods);
<a name="550" href="#550">550</a> 
<a name="551" href="#551">551</a>         <strong>final</strong> KeyedPoolableObjectFactory skpof = PoolUtils.synchronizedPoolableFactory(kpof);
<a name="552" href="#552">552</a>         <strong>final</strong> List expectedMethods = invokeEveryMethod(skpof);
<a name="553" href="#553">553</a>         assertEquals(expectedMethods, calledMethods);
<a name="554" href="#554">554</a> 
<a name="555" href="#555">555</a>         <em class="comment">// TODO: Anyone feel motivated to construct a test that verifies proper synchronization?</em>
<a name="556" href="#556">556</a>     }
<a name="557" href="#557">557</a> 
<a name="558" href="#558">558</a>     <strong>private</strong> <strong>static</strong> List invokeEveryMethod(ObjectPool op) throws Exception {
<a name="559" href="#559">559</a>         op.addObject();
<a name="560" href="#560">560</a>         op.borrowObject();
<a name="561" href="#561">561</a>         op.clear();
<a name="562" href="#562">562</a>         op.close();
<a name="563" href="#563">563</a>         op.getNumActive();
<a name="564" href="#564">564</a>         op.getNumIdle();
<a name="565" href="#565">565</a>         op.invalidateObject(<strong>new</strong> Object());
<a name="566" href="#566">566</a>         op.returnObject(<strong>new</strong> Object());
<a name="567" href="#567">567</a>         op.setFactory((PoolableObjectFactory)createProxy(PoolableObjectFactory.<strong>class</strong>, <strong>null</strong>));
<a name="568" href="#568">568</a>         op.toString();
<a name="569" href="#569">569</a> 
<a name="570" href="#570">570</a>         <strong>final</strong> List expectedMethods = Arrays.asList(<strong>new</strong> String[] {
<a name="571" href="#571">571</a>                 <span class="string">"addObject"</span>, <span class="string">"borrowObject"</span>, <span class="string">"clear"</span>, <span class="string">"close"</span>,
<a name="572" href="#572">572</a>                 <span class="string">"getNumActive"</span>, <span class="string">"getNumIdle"</span>, <span class="string">"invalidateObject"</span>,
<a name="573" href="#573">573</a>                 <span class="string">"returnObject"</span>, <span class="string">"setFactory"</span>, <span class="string">"toString"</span>
<a name="574" href="#574">574</a>         });
<a name="575" href="#575">575</a>         <strong>return</strong> expectedMethods;
<a name="576" href="#576">576</a>     }
<a name="577" href="#577">577</a> 
<a name="578" href="#578">578</a>     <strong>private</strong> <strong>static</strong> List invokeEveryMethod(KeyedObjectPool kop) throws Exception {
<a name="579" href="#579">579</a>         kop.addObject(<strong>null</strong>);
<a name="580" href="#580">580</a>         kop.borrowObject(<strong>null</strong>);
<a name="581" href="#581">581</a>         kop.clear();
<a name="582" href="#582">582</a>         kop.clear(<strong>null</strong>);
<a name="583" href="#583">583</a>         kop.close();
<a name="584" href="#584">584</a>         kop.getNumActive();
<a name="585" href="#585">585</a>         kop.getNumActive(<strong>null</strong>);
<a name="586" href="#586">586</a>         kop.getNumIdle();
<a name="587" href="#587">587</a>         kop.getNumIdle(<strong>null</strong>);
<a name="588" href="#588">588</a>         kop.invalidateObject(<strong>null</strong>, <strong>new</strong> Object());
<a name="589" href="#589">589</a>         kop.returnObject(<strong>null</strong>, <strong>new</strong> Object());
<a name="590" href="#590">590</a>         kop.setFactory((KeyedPoolableObjectFactory)createProxy(KeyedPoolableObjectFactory.<strong>class</strong>, <strong>null</strong>));
<a name="591" href="#591">591</a>         kop.toString();
<a name="592" href="#592">592</a> 
<a name="593" href="#593">593</a>         <strong>final</strong> List expectedMethods = Arrays.asList(<strong>new</strong> String[] {
<a name="594" href="#594">594</a>                 <span class="string">"addObject"</span>, <span class="string">"borrowObject"</span>, <span class="string">"clear"</span>, <span class="string">"clear"</span>, <span class="string">"close"</span>,
<a name="595" href="#595">595</a>                 <span class="string">"getNumActive"</span>, <span class="string">"getNumActive"</span>, <span class="string">"getNumIdle"</span>, <span class="string">"getNumIdle"</span>, <span class="string">"invalidateObject"</span>,
<a name="596" href="#596">596</a>                 <span class="string">"returnObject"</span>, <span class="string">"setFactory"</span>, <span class="string">"toString"</span>
<a name="597" href="#597">597</a>         });
<a name="598" href="#598">598</a>         <strong>return</strong> expectedMethods;
<a name="599" href="#599">599</a>     }
<a name="600" href="#600">600</a> 
<a name="601" href="#601">601</a>     <strong>private</strong> <strong>static</strong> List invokeEveryMethod(PoolableObjectFactory pof) throws Exception {
<a name="602" href="#602">602</a>         pof.activateObject(<strong>null</strong>);
<a name="603" href="#603">603</a>         pof.destroyObject(<strong>null</strong>);
<a name="604" href="#604">604</a>         pof.makeObject();
<a name="605" href="#605">605</a>         pof.passivateObject(<strong>null</strong>);
<a name="606" href="#606">606</a>         pof.validateObject(<strong>null</strong>);
<a name="607" href="#607">607</a>         pof.toString();
<a name="608" href="#608">608</a> 
<a name="609" href="#609">609</a>         <strong>final</strong> List expectedMethods = Arrays.asList(<strong>new</strong> String[] {
<a name="610" href="#610">610</a>                 <span class="string">"activateObject"</span>, <span class="string">"destroyObject"</span>, <span class="string">"makeObject"</span>,
<a name="611" href="#611">611</a>                 <span class="string">"passivateObject"</span>, <span class="string">"validateObject"</span>, <span class="string">"toString"</span>,
<a name="612" href="#612">612</a>         });
<a name="613" href="#613">613</a>         <strong>return</strong> expectedMethods;
<a name="614" href="#614">614</a>     }
<a name="615" href="#615">615</a> 
<a name="616" href="#616">616</a>     <strong>private</strong> <strong>static</strong> List invokeEveryMethod(KeyedPoolableObjectFactory kpof) throws Exception {
<a name="617" href="#617">617</a>         kpof.activateObject(<strong>null</strong>, <strong>null</strong>);
<a name="618" href="#618">618</a>         kpof.destroyObject(<strong>null</strong>, <strong>null</strong>);
<a name="619" href="#619">619</a>         kpof.makeObject(<strong>null</strong>);
<a name="620" href="#620">620</a>         kpof.passivateObject(<strong>null</strong>, <strong>null</strong>);
<a name="621" href="#621">621</a>         kpof.validateObject(<strong>null</strong>, <strong>null</strong>);
<a name="622" href="#622">622</a>         kpof.toString();
<a name="623" href="#623">623</a> 
<a name="624" href="#624">624</a>         <strong>final</strong> List expectedMethods = Arrays.asList(<strong>new</strong> String[] {
<a name="625" href="#625">625</a>                 <span class="string">"activateObject"</span>, <span class="string">"destroyObject"</span>, <span class="string">"makeObject"</span>,
<a name="626" href="#626">626</a>                 <span class="string">"passivateObject"</span>, <span class="string">"validateObject"</span>, <span class="string">"toString"</span>,
<a name="627" href="#627">627</a>         });
<a name="628" href="#628">628</a>         <strong>return</strong> expectedMethods;
<a name="629" href="#629">629</a>     }
<a name="630" href="#630">630</a> 
<a name="631" href="#631">631</a>     <strong>private</strong> <strong>static</strong> Object createProxy(<strong>final</strong> Class clazz, <strong>final</strong> List logger) {
<a name="632" href="#632">632</a>         <strong>return</strong> Proxy.<strong>new</strong>ProxyInstance(clazz.getClassLoader(), <strong>new</strong> Class[] { clazz },
<a name="633" href="#633">633</a>                 <strong>new</strong> MethodCallLogger(logger));
<a name="634" href="#634">634</a>     }
<a name="635" href="#635">635</a> 
<a name="636" href="#636">636</a>     <strong>private</strong> <strong>static</strong> <strong>class</strong> MethodCallLogger implements InvocationHandler {
<a name="637" href="#637">637</a>         <strong>private</strong> <strong>final</strong> List calledMethods;
<a name="638" href="#638">638</a> 
<a name="639" href="#639">639</a>         MethodCallLogger(<strong>final</strong> List calledMethods) {
<a name="640" href="#640">640</a>             <strong>this</strong>.calledMethods = calledMethods;
<a name="641" href="#641">641</a>         }
<a name="642" href="#642">642</a> 
<a name="643" href="#643">643</a>         <strong>public</strong> Object invoke(<strong>final</strong> Object proxy, <strong>final</strong> Method method, <strong>final</strong> Object[] args) throws Throwable {
<a name="644" href="#644">644</a>             calledMethods.add(method.getName());
<a name="645" href="#645">645</a>             <strong>if</strong> (<strong>boolean</strong>.<strong>class</strong>.equals(method.getReturnType())) {
<a name="646" href="#646">646</a>                 <strong>return</strong> Boolean.FALSE;
<a name="647" href="#647">647</a>             } <strong>else</strong> <strong>if</strong> (<strong>int</strong>.<strong>class</strong>.equals(method.getReturnType())) {
<a name="648" href="#648">648</a>                 <strong>return</strong> <strong>new</strong> Integer(0);
<a name="649" href="#649">649</a>             } <strong>else</strong> <strong>if</strong> (<strong>long</strong>.<strong>class</strong>.equals(method.getReturnType())) {
<a name="650" href="#650">650</a>                 <strong>return</strong> <strong>new</strong> Long(0);
<a name="651" href="#651">651</a>             } <strong>else</strong> <strong>if</strong> (Object.<strong>class</strong>.equals(method.getReturnType())) {
<a name="652" href="#652">652</a>                 <strong>return</strong> <strong>new</strong> Object();
<a name="653" href="#653">653</a>             } <strong>else</strong> {
<a name="654" href="#654">654</a>                 <strong>return</strong> <strong>null</strong>;
<a name="655" href="#655">655</a>             }
<a name="656" href="#656">656</a>         }
<a name="657" href="#657">657</a>     }
<a name="658" href="#658">658</a> }
</pre>
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