java.util.Hashtable#putIfAbsent ( )源码实例Demo

下面列出了java.util.Hashtable#putIfAbsent ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。

源代码1 项目: aries-jax-rs-whiteboard   文件: TestHelper.java
protected ServiceRegistration<?> registerExtension(
    String name, Object... keyValues) {

    TestFilter testFilter = new TestFilter();

    Hashtable<String, Object> properties = new Hashtable<>();

    properties.put(JAX_RS_EXTENSION, true);
    properties.put(JAX_RS_NAME, name);
    properties.putIfAbsent(
        JAX_RS_APPLICATION_SELECT, "(osgi.jaxrs.name=*)");

    for (int i = 0; i < keyValues.length; i = i + 2) {
        properties.put(keyValues[i].toString(), keyValues[i + 1]);
    }

    ServiceRegistration<ContainerResponseFilter> serviceRegistration =
        bundleContext.registerService(
            ContainerResponseFilter.class, testFilter, properties);

    _registrations.add(serviceRegistration);

    return serviceRegistration;
}
 
源代码2 项目: aries-jax-rs-whiteboard   文件: TestHelper.java
protected <T> ServiceRegistration<T> registerExtension(
    Class<T> clazz, T extension, String name, Object... keyValues) {

    Hashtable<String, Object> properties = new Hashtable<>();

    properties.put(JAX_RS_EXTENSION, true);
    properties.put(JAX_RS_NAME, name);
    properties.putIfAbsent(
        JAX_RS_APPLICATION_SELECT, "(osgi.jaxrs.name=*)");

    for (int i = 0; i < keyValues.length; i = i + 2) {
        properties.put(keyValues[i].toString(), keyValues[i + 1]);
    }

    ServiceRegistration<T> serviceRegistration =
        bundleContext.registerService(clazz, extension, properties);

    _registrations.add(serviceRegistration);

    return serviceRegistration;
}
 
源代码3 项目: aries-jax-rs-whiteboard   文件: TestHelper.java
protected ServiceRegistration<?> registerInvalidExtension(
    String name, Object... keyValues) {

    TestFilter testFilter = new TestFilter();

    Hashtable<String, Object> properties = new Hashtable<>();

    properties.put(JAX_RS_EXTENSION, true);
    properties.put(JAX_RS_NAME, name);
    properties.putIfAbsent(
        JAX_RS_APPLICATION_SELECT, "(osgi.jaxrs.name=*)");

    for (int i = 0; i < keyValues.length; i = i + 2) {
        properties.put(keyValues[i].toString(), keyValues[i + 1]);
    }

    ServiceRegistration<Object> serviceRegistration =
        bundleContext.registerService(
            Object.class, testFilter, properties);

    _registrations.add(serviceRegistration);

    return serviceRegistration;
}
 
源代码4 项目: aries-jax-rs-whiteboard   文件: TestHelper.java
protected ServiceRegistration<?> registerMultiExtension(
    String name, String... classes) {

    Hashtable<String, Object> properties = new Hashtable<>();

    properties.put(JAX_RS_EXTENSION, true);
    properties.put(JAX_RS_NAME, name);
    properties.putIfAbsent(
        JAX_RS_APPLICATION_SELECT, "(osgi.jaxrs.name=*)");

    ServiceRegistration<?> serviceRegistration =
        bundleContext.registerService(
            classes, new TestFilterAndExceptionMapper(), properties);

    _registrations.add(serviceRegistration);

    return serviceRegistration;
}
 
源代码5 项目: tutorials   文件: HashtableUnitTest.java
@Test
public void whenPutifAbsent_thenNotRewritten() {

    Hashtable<Word, String> table = new Hashtable<Word, String>();
    table.put(new Word("cat"), "a small domesticated carnivorous mammal");

    String definition = "an animal";
    // old way
    /* if (!table.containsKey(new Word("cat"))) {
        table.put(new Word("cat"), definition);
    }*/
    // new way
    table.putIfAbsent(new Word("cat"), definition);

    assertThat(table.get(new Word("cat")), is("a small domesticated carnivorous mammal"));
}