Example usage for org.apache.commons.configuration BaseConfiguration containsKey

Introduction

In this page you can find the example usage for org.apache.commons.configuration BaseConfiguration containsKey.

Prototype

public boolean containsKey(String key) 

Source Link

Document

check if the configuration contains the key

Usage

From source file:com.netflix.config.PollingSourceTest.java

@Test
public void testIncrementalPollingSource() throws Exception {
    BaseConfiguration config = new BaseConfiguration();
    DynamicPropertyFactory.initWithConfigurationSource(config);
    DynamicStringProperty prop1 = new DynamicStringProperty("prop1", null);
    DynamicStringProperty prop2 = new DynamicStringProperty("prop2", null);
    config.addProperty("prop1", "original");
    DummyPollingSource source = new DummyPollingSource(true);
    FixedDelayPollingScheduler scheduler = new FixedDelayPollingScheduler(0, 10, true);
    scheduler.setIgnoreDeletesFromSource(false);
    // ConfigurationWithPollingSource pollingConfig = new ConfigurationWithPollingSource(config, source,scheduler);
    scheduler.startPolling(source, config);
    assertEquals("original", config.getProperty("prop1"));
    assertEquals("original", prop1.get());
    source.setAdded("prop2=new");
    Thread.sleep(200);/* www.j av  a2 s.co m*/
    assertEquals("original", config.getProperty("prop1"));
    assertEquals("new", config.getProperty("prop2"));
    assertEquals("new", prop2.get());
    source.setDeleted("prop1=DoesNotMatter");
    source.setChanged("prop2=changed");
    source.setAdded("");
    Thread.sleep(200);
    assertFalse(config.containsKey("prop1"));
    assertNull(prop1.get());
    assertEquals("changed", config.getProperty("prop2"));
    assertEquals("changed", prop2.get());
}

---