Example usage for java.lang Object getClass

Introduction

In this page you can find the example usage for java.lang Object getClass.

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:Main.java

/**
 * Returns an empty array of the specified type.  The intent is that
 * it will return the same empty array every time to avoid reallocation,
 * although this is not guaranteed.//from w  w w  .j av  a2  s . c o m
 */
@SuppressWarnings("unchecked")
public static <T> T[] emptyArray(final Class<T> kind) {
    if (kind == Object.class) {
        return (T[]) EMPTY;
    }

    final int bucket = ((System.identityHashCode(kind) / 8) & 0x7FFFFFFF) % CACHE_SIZE;
    Object cache = sCache[bucket];

    if (cache == null || cache.getClass().getComponentType() != kind) {
        cache = Array.newInstance(kind, 0);
        sCache[bucket] = cache;

        // Log.e("cache", "new empty " + kind.getName() + " at " + bucket);
    }

    return (T[]) cache;
}

From source file:Main.java

/**
 * Returns an empty array of the specified type.  The intent is that
 * it will return the same empty array every time to avoid reallocation,
 * although this is not guaranteed./*from ww w .  ja v  a  2s  .  com*/
 */
@SuppressWarnings("unchecked")
public static <T> T[] emptyArray(Class<T> kind) {
    if (kind == Object.class) {
        return (T[]) EMPTY;
    }

    int bucket = ((System.identityHashCode(kind) / 8) & 0x7FFFFFFF) % CACHE_SIZE;
    Object cache = sCache[bucket];

    if (cache == null || cache.getClass().getComponentType() != kind) {
        cache = Array.newInstance(kind, 0);
        sCache[bucket] = cache;

        // Log.e("cache", "new empty " + kind.getName() + " at " + bucket);
    }

    return (T[]) cache;
}

From source file:Main.java

public static Object newInstance(Object model) {
    Object instance = null;//from w w w. j a v  a 2  s.c o m
    try {
        Class<?> aClass = model.getClass();

        instance = aClass.newInstance();
    } catch (InstantiationException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return instance;
}

From source file:Main.java

public static boolean hasAnnotation(Class<? extends Annotation> annotation, Object object, String methodName) {
    try {/*from w  w w .j  av a 2s.  c o  m*/
        Class<? extends Object> c = object.getClass();

        for (Method m : c.getMethods()) {
            if (m.getName().equals(methodName)) {
                if (m.isAnnotationPresent(annotation)) {
                    return true;
                }
            }
        }
    } catch (Exception e) {
    }
    return false;
}

From source file:org.makersoft.activesql.persistence.MyBatisContext.java

public static int insert(Object parameter) {
    return sqlSession.insert(parameter.getClass().getName() + ".insert", parameter);
}

From source file:org.makersoft.activesql.persistence.MyBatisContext.java

public static int update(Object parameter) {
    return sqlSession.update(parameter.getClass().getName() + ".update", parameter);
}

From source file:org.makersoft.activesql.persistence.MyBatisContext.java

public static int delete(Object parameter) {
    return sqlSession.delete(parameter.getClass().getName() + ".delete", parameter);
}

From source file:Main.java

/**
 * Returns an empty array of the specified type.  The intent is that
 * it will return the same empty array every time to avoid reallocation,
 * although this is not guaranteed.//from   w  ww.  ja  v  a2 s  .c o m
 */
@SuppressWarnings("unchecked")
public static <T> T[] emptyArray(Class<T> kind) {
    if (kind == Object.class) {
        //            return (T[]) EmptyArray.OBJECT;
        return (T[]) new Object[0];
    }

    int bucket = (kind.hashCode() & 0x7FFFFFFF) % CACHE_SIZE;
    Object cache = sCache[bucket];

    if (cache == null || cache.getClass().getComponentType() != kind) {
        cache = Array.newInstance(kind, 0);
        sCache[bucket] = cache;

        // Log.e("cache", "new empty " + kind.getName() + " at " + bucket);
    }

    return (T[]) cache;
}

From source file:Main.java

public static void saveInstance(File outputFile, Object instance) throws JAXBException, IOException {
    Marshaller marshaller = JAXBContext.newInstance(instance.getClass()).createMarshaller();
    marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
    marshaller.marshal(instance, outputFile);
}

From source file:Book.java

public static void printDetails(ReadOnlyProperty<?> p) {
    String name = p.getName();/*from w  w  w.j a v  a 2  s.  c  o  m*/
    Object value = p.getValue();
    Object bean = p.getBean();
    String beanClassName = (bean == null) ? "null" : bean.getClass().getSimpleName();
    String propClassName = p.getClass().getSimpleName();

    System.out.print(propClassName);
    System.out.print("[Name:" + name);
    System.out.print(", Bean Class:" + beanClassName);
    System.out.println(", Value:" + value + "]");
}