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Java Closeable类代码示例

本文整理汇总了Java中org.apache.hadoop.io.Closeable的典型用法代码示例。如果您正苦于以下问题:Java Closeable类的具体用法?Java Closeable怎么用?Java Closeable使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


Closeable类属于org.apache.hadoop.io包,在下文中一共展示了Closeable类的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: createReorderingProxy

import org.apache.hadoop.io.Closeable; //导入依赖的package包/类
private static ClientProtocol createReorderingProxy(final ClientProtocol cp,
    final ReorderBlocks lrb, final Configuration conf) {
  return (ClientProtocol) Proxy.newProxyInstance
      (cp.getClass().getClassLoader(),
          new Class[]{ClientProtocol.class, Closeable.class},
          new InvocationHandler() {
            public Object invoke(Object proxy, Method method,
                                 Object[] args) throws Throwable {
              try { 
                Object res = method.invoke(cp, args);
                if (res != null && args != null && args.length == 3
                    && "getBlockLocations".equals(method.getName())
                    && res instanceof LocatedBlocks
                    && args[0] instanceof String
                    && args[0] != null) {
                  lrb.reorderBlocks(conf, (LocatedBlocks) res, (String) args[0]);
                }
                return res;
              } catch  (InvocationTargetException ite) {
                // We will have this for all the exception, checked on not, sent
                //  by any layer, including the functional exception
                Throwable cause = ite.getCause();
                if (cause == null){
                  throw new RuntimeException(
                    "Proxy invocation failed and getCause is null", ite);
                }
                if (cause instanceof UndeclaredThrowableException) {
                  Throwable causeCause = cause.getCause();
                  if (causeCause == null) {
                    throw new RuntimeException("UndeclaredThrowableException had null cause!");
                  }
                  cause = cause.getCause();
                }
                throw cause;
              }
            }
          });
}
 
开发者ID:cloud-software-foundation,项目名称:c5,代码行数:39,代码来源:HFileSystem.java


注:本文中的org.apache.hadoop.io.Closeable类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。