Example usage for java.lang Class isInstance

Introduction

In this page you can find the example usage for java.lang Class isInstance.

Prototype

@HotSpotIntrinsicCandidate
public native boolean isInstance(Object obj);

Source Link

Document

Determines if the specified Object is assignment-compatible with the object represented by this Class .

Usage

From source file:org.apache.solr.client.solrj.impl.SolrHttpRequestRetryHandler.java

@Override
public boolean retryRequest(final IOException exception, final int executionCount, final HttpContext context) {
    log.debug("Retry http request {} out of {}", executionCount, this.retryCount);
    if (executionCount > this.retryCount) {
        log.debug("Do not retry, over max retry count");
        return false;
    }//w w w . j a  v a 2 s.c o  m
    if (this.nonRetriableClasses.contains(exception.getClass())) {
        log.debug("Do not retry, non retriable class {}", exception.getClass().getName());
        return false;
    } else {
        for (final Class<? extends IOException> rejectException : this.nonRetriableClasses) {
            if (rejectException.isInstance(exception)) {
                log.debug("Do not retry, non retriable class {}", exception.getClass().getName());
                return false;
            }
        }
    }
    final HttpClientContext clientContext = HttpClientContext.adapt(context);
    final HttpRequest request = clientContext.getRequest();

    if (requestIsAborted(request)) {
        log.debug("Do not retry, request was aborted");
        return false;
    }

    if (handleAsIdempotent(clientContext)) {
        log.debug("Retry, request should be idempotent");
        return true;
    }

    log.debug("Do not retry, no allow rules matched");
    return false;
}

From source file:edu.jhuapl.graphs.jfreechart.JFreeChartBaseSource.java

protected <T> T getParam(Map<String, Object> params, String fieldName, Class<T> klazz, T defaultValue) {
    Object val = params.get(fieldName);
    if (klazz.isInstance(val)) {
        return klazz.cast(val);
    } else {/*  w ww  . j  a  v  a 2 s  .com*/
        return defaultValue;
    }
}

From source file:hudson.util.PersistedList.java

public <U extends T> U get(Class<U> type) {
    for (T t : data)
        if (type.isInstance(t))
            return type.cast(t);
    return null;/*w  w w  . j  av a  2 s .  c  om*/
}

From source file:net.paslavsky.springrest.SpringAnnotationPreprocessor.java

private boolean isAnnotationPresent(Annotation[] annotations, Class<? extends Annotation> annotationClass) {
    for (Annotation annotation : annotations) {
        if (annotationClass.isInstance(annotation)) {
            return true;
        }/* w  w  w .j  av a 2  s .c om*/
    }
    return false;
}

From source file:com.fheebiy.http.lite.apache.DefaultHttpRequestRetryHandler.java

/**
 * Used <code>retryCount</code> and <code>requestSentRetryEnabled</code> to determine
 * if the given method should be retried.
 *//* ww  w  .j  a v a 2s .  c o  m*/
public boolean retryRequest(final IOException exception, final int executionCount, final HttpContext context) {
    if (executionCount > this.retryCount) {
        // Do not retry if over max retry count
        return false;
    }
    if (this.nonRetriableClasses.contains(exception.getClass())) {
        return false;
    } else {
        for (final Class<? extends IOException> rejectException : this.nonRetriableClasses) {
            if (rejectException.isInstance(exception)) {
                return false;
            }
        }
    }
    return retryRequest(context);
}

From source file:org.bytesoft.bytejta.supports.jdbc.LocalXADataSource.java

public boolean isWrapperFor(Class<?> iface) {
    if (iface == null) {
        return false;
    } else if (iface.isInstance(this)) {
        return true;
    }/*from   ww  w. j av  a  2 s  .co  m*/
    return false;
}

From source file:org.bytesoft.bytejta.supports.jdbc.LocalXADataSource.java

@SuppressWarnings("unchecked")
public <T> T unwrap(Class<T> iface) {
    if (iface == null) {
        return null;
    } else if (iface.isInstance(this)) {
        return (T) this;
    }// w  w w  .  ja v a 2 s  .c o m
    return null;
}

From source file:org.grails.datastore.mapping.query.order.ManualEntityOrdering.java

public List applyOrder(List results, Query.Order order) {
    final String name = order.getProperty();

    @SuppressWarnings("hiding")
    final PersistentEntity entity = getEntity();
    PersistentProperty property = entity.getPropertyByName(name);
    if (property == null) {
        final PersistentProperty identity = entity.getIdentity();
        if (name.equals(identity.getName())) {
            property = identity;/*from   w  ww .  j  av a2  s .  c  o  m*/
        }
    }

    if (property != null) {
        final PersistentProperty finalProperty = property;
        Collections.sort(results, new Comparator() {

            public int compare(Object o1, Object o2) {

                if (entity.isInstance(o1) && entity.isInstance(o2)) {
                    final String propertyName = finalProperty.getName();
                    Method readMethod = cachedReadMethods.get(propertyName);
                    if (readMethod == null) {
                        BeanWrapper b = PropertyAccessorFactory.forBeanPropertyAccess(o1);
                        final PropertyDescriptor pd = b.getPropertyDescriptor(propertyName);
                        if (pd != null) {
                            readMethod = pd.getReadMethod();
                            if (readMethod != null) {
                                ReflectionUtils.makeAccessible(readMethod);
                                cachedReadMethods.put(propertyName, readMethod);
                            }
                        }
                    }

                    if (readMethod != null) {
                        final Class<?> declaringClass = readMethod.getDeclaringClass();
                        if (declaringClass.isInstance(o1) && declaringClass.isInstance(o2)) {
                            Object left = ReflectionUtils.invokeMethod(readMethod, o1);
                            Object right = ReflectionUtils.invokeMethod(readMethod, o2);

                            if (left == null && right == null)
                                return 0;
                            if (left != null && right == null)
                                return 1;
                            if (left == null)
                                return -1;
                            if ((left instanceof Comparable) && (right instanceof Comparable)) {
                                return ((Comparable) left).compareTo(right);
                            }
                        }
                    }
                }
                return 0;
            }
        });
    }

    if (order.getDirection() == Query.Order.Direction.DESC) {
        results = reverse(results);
    }

    return results;
}

From source file:com.jhonyu.framework.frame.datasource.RoutingDataSource.java

@Override
@SuppressWarnings("unchecked")
public <T> T unwrap(Class<T> iface) throws SQLException {
    if (iface.isInstance(this)) {
        return (T) this;
    }//from w  ww  . j a  va2  s. c  om
    return determineTargetDataSource().unwrap(iface);
}

From source file:com.jhonyu.framework.frame.datasource.RoutingDataSource.java

@Override
public boolean isWrapperFor(Class<?> iface) throws SQLException {
    return (iface.isInstance(this) || determineTargetDataSource().isWrapperFor(iface));
}