Ejemplo n.º 1
0
 /**
  * Test is a cache has a key.
  *
  * The use of the has methods is strongly discouraged. In a high load environment the cache may well change between the
  * test and any subsequent action (get, set, delete etc).
  * Instead it is recommended to write your code in such a way they it performs the following steps:
  * <ol>
  * <li>Attempt to retrieve the information.</li>
  * <li>Generate the information.</li>
  * <li>Attempt to set the information</li>
  * </ol>
  *
  * Its also worth mentioning that not all stores support key tests.
  * For stores that don't support key tests this functionality is mimicked by using the equivalent get method.
  * Just one more reason you should not use these methods unless you have a very good reason to do so.
  *
  * @param string|int $key
  * @param bool $tryloadifpossible If set to true, the cache doesn't contain the key, and there is another cache loader or
  *      data source then the code will try load the key value from the next item in the chain.
  * @return bool True if the cache has the requested key, false otherwise.
  */
 public function has($key, $tryloadifpossible = false)
 {
     $parsedkey = $this->parse_key($key);
     if ($this->is_in_persist_cache($parsedkey)) {
         return true;
     }
     if ($this->has_a_ttl() && !$this->store_supports_native_ttl() || !$this->store_supports_key_awareness()) {
         if ($this->store_supports_key_awareness() && !$this->store->has($parsedkey)) {
             return false;
         }
         $data = $this->store->get($parsedkey);
         if (!$this->store_supports_native_ttl()) {
             $has = $data instanceof cache_ttl_wrapper && !$data->has_expired();
         } else {
             $has = $data !== false;
         }
     } else {
         $has = $this->store->has($parsedkey);
     }
     if (!$has && $tryloadifpossible) {
         if ($this->loader !== false) {
             $result = $this->loader->get($parsedkey);
         } else {
             if ($this->datasource !== null) {
                 $result = $this->datasource->load_for_cache($key);
             }
         }
         $has = $result !== null;
         if ($has) {
             $this->set($key, $result);
         }
     }
     return $has;
 }
Ejemplo n.º 2
0
 /**
  * Test is a cache has a key.
  *
  * The use of the has methods is strongly discouraged. In a high load environment the cache may well change between the
  * test and any subsequent action (get, set, delete etc).
  * Instead it is recommended to write your code in such a way they it performs the following steps:
  * <ol>
  * <li>Attempt to retrieve the information.</li>
  * <li>Generate the information.</li>
  * <li>Attempt to set the information</li>
  * </ol>
  *
  * Its also worth mentioning that not all stores support key tests.
  * For stores that don't support key tests this functionality is mimicked by using the equivalent get method.
  * Just one more reason you should not use these methods unless you have a very good reason to do so.
  *
  * @param string|int $key
  * @param bool $tryloadifpossible If set to true, the cache doesn't contain the key, and there is another cache loader or
  *      data source then the code will try load the key value from the next item in the chain.
  * @return bool True if the cache has the requested key, false otherwise.
  */
 public function has($key, $tryloadifpossible = false)
 {
     $parsedkey = $this->parse_key($key);
     if ($this->is_in_persist_cache($parsedkey)) {
         // Hoorah, that was easy. It exists in the static acceleration array so we definitely have it.
         return true;
     }
     if ($this->has_a_ttl() && !$this->store_supports_native_ttl()) {
         // The data has a TTL and the store doesn't support it natively.
         // We must fetch the data and expect a ttl wrapper.
         $data = $this->store->get($parsedkey);
         $has = $data instanceof cache_ttl_wrapper && !$data->has_expired();
     } else {
         if (!$this->store_supports_key_awareness()) {
             // The store doesn't support key awareness, get the data and check it manually... puke.
             // Either no TTL is set of the store supports its handling natively.
             $data = $this->store->get($parsedkey);
             $has = $data !== false;
         } else {
             // The store supports key awareness, this is easy!
             // Either no TTL is set of the store supports its handling natively.
             $has = $this->store->has($parsedkey);
         }
     }
     if (!$has && $tryloadifpossible) {
         if ($this->loader !== false) {
             $result = $this->loader->get($parsedkey);
         } else {
             if ($this->datasource !== null) {
                 $result = $this->datasource->load_for_cache($key);
             }
         }
         $has = $result !== null;
         if ($has) {
             $this->set($key, $result);
         }
     }
     return $has;
 }
Ejemplo n.º 3
0
 /**
  * Test the store for basic functionality.
  */
 public function run_tests(cache_store $instance)
 {
     // Test set.
     $this->assertTrue($instance->set('test1', 'test1'));
     $this->assertTrue($instance->set('test2', 'test2'));
     // Test get.
     $this->assertEquals('test1', $instance->get('test1'));
     $this->assertEquals('test2', $instance->get('test2'));
     // Test delete.
     $this->assertTrue($instance->delete('test1'));
     $this->assertFalse($instance->delete('test3'));
     $this->assertFalse($instance->get('test1'));
     $this->assertEquals('test2', $instance->get('test2'));
     $this->assertTrue($instance->set('test1', 'test1'));
     // Test purge.
     $this->assertTrue($instance->purge());
     $this->assertFalse($instance->get('test1'));
     $this->assertFalse($instance->get('test2'));
     // Test set_many.
     $outcome = $instance->set_many(array(array('key' => 'many1', 'value' => 'many1'), array('key' => 'many2', 'value' => 'many2'), array('key' => 'many3', 'value' => 'many3'), array('key' => 'many4', 'value' => 'many4'), array('key' => 'many5', 'value' => 'many5')));
     $this->assertEquals(5, $outcome);
     $this->assertEquals('many1', $instance->get('many1'));
     $this->assertEquals('many5', $instance->get('many5'));
     $this->assertFalse($instance->get('many6'));
     // Test get_many.
     $result = $instance->get_many(array('many1', 'many3', 'many5', 'many6'));
     $this->assertInternalType('array', $result);
     $this->assertCount(4, $result);
     $this->assertEquals(array('many1' => 'many1', 'many3' => 'many3', 'many5' => 'many5', 'many6' => false), $result);
     // Test delete_many.
     $this->assertEquals(3, $instance->delete_many(array('many2', 'many3', 'many4')));
     $this->assertEquals(2, $instance->delete_many(array('many1', 'many5', 'many6')));
 }
Ejemplo n.º 4
0
 /**
  * Test the store for basic functionality.
  */
 public function run_tests(cache_store $instance)
 {
     // Test set with a string.
     $this->assertTrue($instance->set('test1', 'test1'));
     $this->assertTrue($instance->set('test2', 'test2'));
     $this->assertTrue($instance->set('test3', '3'));
     // Test get with a string.
     $this->assertSame('test1', $instance->get('test1'));
     $this->assertSame('test2', $instance->get('test2'));
     $this->assertSame('3', $instance->get('test3'));
     // Test set with an int.
     $this->assertTrue($instance->set('test1', 1));
     $this->assertTrue($instance->set('test2', 2));
     // Test get with an int.
     $this->assertSame(1, $instance->get('test1'));
     $this->assertInternalType('int', $instance->get('test1'));
     $this->assertSame(2, $instance->get('test2'));
     $this->assertInternalType('int', $instance->get('test2'));
     // Test set with a bool.
     $this->assertTrue($instance->set('test1', true));
     // Test get with an bool.
     $this->assertSame(true, $instance->get('test1'));
     $this->assertInternalType('boolean', $instance->get('test1'));
     // Test delete.
     $this->assertTrue($instance->delete('test1'));
     $this->assertTrue($instance->delete('test3'));
     $this->assertFalse($instance->delete('test3'));
     $this->assertFalse($instance->get('test1'));
     $this->assertSame(2, $instance->get('test2'));
     $this->assertTrue($instance->set('test1', 'test1'));
     // Test purge.
     $this->assertTrue($instance->purge());
     $this->assertFalse($instance->get('test1'));
     $this->assertFalse($instance->get('test2'));
     // Test set_many.
     $outcome = $instance->set_many(array(array('key' => 'many1', 'value' => 'many1'), array('key' => 'many2', 'value' => 'many2'), array('key' => 'many3', 'value' => 'many3'), array('key' => 'many4', 'value' => 'many4'), array('key' => 'many5', 'value' => 'many5')));
     $this->assertSame(5, $outcome);
     $this->assertSame('many1', $instance->get('many1'));
     $this->assertSame('many5', $instance->get('many5'));
     $this->assertFalse($instance->get('many6'));
     // Test get_many.
     $result = $instance->get_many(array('many1', 'many3', 'many5', 'many6'));
     $this->assertInternalType('array', $result);
     $this->assertCount(4, $result);
     $this->assertSame(array('many1' => 'many1', 'many3' => 'many3', 'many5' => 'many5', 'many6' => false), $result);
     // Test delete_many.
     $this->assertSame(3, $instance->delete_many(array('many2', 'many3', 'many4')));
     $this->assertSame(2, $instance->delete_many(array('many1', 'many5', 'many6')));
 }
Ejemplo n.º 5
0
 /**
  * Test the store for basic functionality.
  */
 public function run_tests(cache_store $instance)
 {
     $object = new stdClass();
     $object->data = 1;
     // Test set with a string.
     $this->assertTrue($instance->set('test1', 'test1'));
     $this->assertTrue($instance->set('test2', 'test2'));
     $this->assertTrue($instance->set('test3', '3'));
     // Test get with a string.
     $this->assertSame('test1', $instance->get('test1'));
     $this->assertSame('test2', $instance->get('test2'));
     $this->assertSame('3', $instance->get('test3'));
     // Test set with an int.
     $this->assertTrue($instance->set('test1', 1));
     $this->assertTrue($instance->set('test2', 2));
     // Test get with an int.
     $this->assertSame(1, $instance->get('test1'));
     $this->assertInternalType('int', $instance->get('test1'));
     $this->assertSame(2, $instance->get('test2'));
     $this->assertInternalType('int', $instance->get('test2'));
     // Test set with a bool.
     $this->assertTrue($instance->set('test1', true));
     // Test get with an bool.
     $this->assertSame(true, $instance->get('test1'));
     $this->assertInternalType('boolean', $instance->get('test1'));
     // Test with an object.
     $this->assertTrue($instance->set('obj', $object));
     if ($instance::get_supported_features() & cache_store::DEREFERENCES_OBJECTS) {
         $this->assertNotSame($object, $instance->get('obj'), 'Objects must be dereferenced when returned.');
     }
     $this->assertEquals($object, $instance->get('obj'));
     // Test delete.
     $this->assertTrue($instance->delete('test1'));
     $this->assertTrue($instance->delete('test3'));
     $this->assertFalse($instance->delete('test3'));
     $this->assertFalse($instance->get('test1'));
     $this->assertSame(2, $instance->get('test2'));
     $this->assertTrue($instance->set('test1', 'test1'));
     // Test purge.
     $this->assertTrue($instance->purge());
     $this->assertFalse($instance->get('test1'));
     $this->assertFalse($instance->get('test2'));
     // Test set_many.
     $outcome = $instance->set_many(array(array('key' => 'many1', 'value' => 'many1'), array('key' => 'many2', 'value' => 'many2'), array('key' => 'many3', 'value' => 'many3'), array('key' => 'many4', 'value' => 'many4'), array('key' => 'many5', 'value' => 'many5')));
     $this->assertSame(5, $outcome);
     $this->assertSame('many1', $instance->get('many1'));
     $this->assertSame('many5', $instance->get('many5'));
     $this->assertFalse($instance->get('many6'));
     // Test get_many.
     $result = $instance->get_many(array('many1', 'many3', 'many5', 'many6'));
     $this->assertInternalType('array', $result);
     $this->assertCount(4, $result);
     $this->assertSame(array('many1' => 'many1', 'many3' => 'many3', 'many5' => 'many5', 'many6' => false), $result);
     // Test delete_many.
     $this->assertSame(3, $instance->delete_many(array('many2', 'many3', 'many4')));
     $this->assertSame(2, $instance->delete_many(array('many1', 'many5', 'many6')));
 }
Ejemplo n.º 6
0
 /**
  * Test the store for basic functionality.
  */
 public function run_tests(cache_store $instance)
 {
     $object = new stdClass();
     $object->data = 1;
     // Test set with a string.
     $this->assertTrue($instance->set('test1', 'test1'));
     $this->assertTrue($instance->set('test2', 'test2'));
     $this->assertTrue($instance->set('test3', '3'));
     $this->assertTrue($instance->set('other3', '3'));
     // Test get with a string.
     $this->assertSame('test1', $instance->get('test1'));
     $this->assertSame('test2', $instance->get('test2'));
     $this->assertSame('3', $instance->get('test3'));
     // Test find and find with prefix if this class implements the searchable interface.
     if ($instance->is_searchable()) {
         // Extra settings here ignore the return order of the array.
         $this->assertEquals(['test3', 'test1', 'test2', 'other3'], $instance->find_all(), '', 0, 1, true);
         // Extra settings here ignore the return order of the array.
         $this->assertEquals(['test2', 'test1', 'test3'], $instance->find_by_prefix('test'), '', 0, 1, true);
         $this->assertEquals(['test2'], $instance->find_by_prefix('test2'));
         $this->assertEquals(['other3'], $instance->find_by_prefix('other'));
         $this->assertEquals([], $instance->find_by_prefix('nothere'));
     }
     // Test set with an int.
     $this->assertTrue($instance->set('test1', 1));
     $this->assertTrue($instance->set('test2', 2));
     // Test get with an int.
     $this->assertSame(1, $instance->get('test1'));
     $this->assertInternalType('int', $instance->get('test1'));
     $this->assertSame(2, $instance->get('test2'));
     $this->assertInternalType('int', $instance->get('test2'));
     // Test set with a bool.
     $this->assertTrue($instance->set('test1', true));
     // Test get with an bool.
     $this->assertSame(true, $instance->get('test1'));
     $this->assertInternalType('boolean', $instance->get('test1'));
     // Test with an object.
     $this->assertTrue($instance->set('obj', $object));
     if ($instance::get_supported_features() & cache_store::DEREFERENCES_OBJECTS) {
         $this->assertNotSame($object, $instance->get('obj'), 'Objects must be dereferenced when returned.');
     }
     $this->assertEquals($object, $instance->get('obj'));
     // Test delete.
     $this->assertTrue($instance->delete('test1'));
     $this->assertTrue($instance->delete('test3'));
     $this->assertFalse($instance->delete('test3'));
     $this->assertFalse($instance->get('test1'));
     $this->assertSame(2, $instance->get('test2'));
     $this->assertTrue($instance->set('test1', 'test1'));
     // Test purge.
     $this->assertTrue($instance->purge());
     $this->assertFalse($instance->get('test1'));
     $this->assertFalse($instance->get('test2'));
     // Test set_many.
     $outcome = $instance->set_many(array(array('key' => 'many1', 'value' => 'many1'), array('key' => 'many2', 'value' => 'many2'), array('key' => 'many3', 'value' => 'many3'), array('key' => 'many4', 'value' => 'many4'), array('key' => 'many5', 'value' => 'many5')));
     $this->assertSame(5, $outcome);
     $this->assertSame('many1', $instance->get('many1'));
     $this->assertSame('many5', $instance->get('many5'));
     $this->assertFalse($instance->get('many6'));
     // Test get_many.
     $result = $instance->get_many(array('many1', 'many3', 'many5', 'many6'));
     $this->assertInternalType('array', $result);
     $this->assertCount(4, $result);
     $this->assertSame(array('many1' => 'many1', 'many3' => 'many3', 'many5' => 'many5', 'many6' => false), $result);
     // Test delete_many.
     $this->assertSame(3, $instance->delete_many(array('many2', 'many3', 'many4')));
     $this->assertSame(2, $instance->delete_many(array('many1', 'many5', 'many6')));
 }