Java Code Examples for org.apache.hadoop.util.GenericsUtil#toArray()

The following examples show how to use org.apache.hadoop.util.GenericsUtil#toArray() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: hadoop   File: DefaultStringifier.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Restores the array of objects from the configuration.
 * 
 * @param <K> the class of the item
 * @param conf the configuration to use
 * @param keyName the name of the key to use
 * @param itemClass the class of the item
 * @return restored object
 * @throws IOException : forwards Exceptions from the underlying 
 * {@link Serialization} classes.
 */
public static <K> K[] loadArray(Configuration conf, String keyName,
    Class<K> itemClass) throws IOException {
  DefaultStringifier<K> stringifier = new DefaultStringifier<K>(conf,
      itemClass);
  try {
    String itemStr = conf.get(keyName);
    ArrayList<K> list = new ArrayList<K>();
    String[] parts = itemStr.split(SEPARATOR);

    for (String part : parts) {
      if (!part.isEmpty())
        list.add(stringifier.fromString(part));
    }

    return GenericsUtil.toArray(itemClass, list);
  }
  finally {
    stringifier.close();
  }
}
 
Example 2
Source Project: big-c   File: DefaultStringifier.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Restores the array of objects from the configuration.
 * 
 * @param <K> the class of the item
 * @param conf the configuration to use
 * @param keyName the name of the key to use
 * @param itemClass the class of the item
 * @return restored object
 * @throws IOException : forwards Exceptions from the underlying 
 * {@link Serialization} classes.
 */
public static <K> K[] loadArray(Configuration conf, String keyName,
    Class<K> itemClass) throws IOException {
  DefaultStringifier<K> stringifier = new DefaultStringifier<K>(conf,
      itemClass);
  try {
    String itemStr = conf.get(keyName);
    ArrayList<K> list = new ArrayList<K>();
    String[] parts = itemStr.split(SEPARATOR);

    for (String part : parts) {
      if (!part.isEmpty())
        list.add(stringifier.fromString(part));
    }

    return GenericsUtil.toArray(itemClass, list);
  }
  finally {
    stringifier.close();
  }
}
 
Example 3
Source Project: RDFS   File: DefaultStringifier.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Restores the array of objects from the configuration.
 * 
 * @param <K> the class of the item
 * @param conf the configuration to use
 * @param keyName the name of the key to use
 * @param itemClass the class of the item
 * @return restored object
 * @throws IOException : forwards Exceptions from the underlying 
 * {@link Serialization} classes.
 */
public static <K> K[] loadArray(Configuration conf, String keyName,
    Class<K> itemClass) throws IOException {
  DefaultStringifier<K> stringifier = new DefaultStringifier<K>(conf,
      itemClass);
  try {
    String itemStr = conf.get(keyName);
    ArrayList<K> list = new ArrayList<K>();
    String[] parts = itemStr.split(SEPARATOR);

    for (String part : parts) {
      if (!part.equals(""))
        list.add(stringifier.fromString(part));
    }

    return GenericsUtil.toArray(itemClass, list);
  }
  finally {
    stringifier.close();
  }
}
 
Example 4
Source Project: hadoop-gpu   File: DefaultStringifier.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Restores the array of objects from the configuration.
 * 
 * @param <K> the class of the item
 * @param conf the configuration to use
 * @param keyName the name of the key to use
 * @param itemClass the class of the item
 * @return restored object
 * @throws IOException : forwards Exceptions from the underlying 
 * {@link Serialization} classes.
 */
public static <K> K[] loadArray(Configuration conf, String keyName,
    Class<K> itemClass) throws IOException {
  DefaultStringifier<K> stringifier = new DefaultStringifier<K>(conf,
      itemClass);
  try {
    String itemStr = conf.get(keyName);
    ArrayList<K> list = new ArrayList<K>();
    String[] parts = itemStr.split(SEPARATOR);

    for (String part : parts) {
      if (!part.equals(""))
        list.add(stringifier.fromString(part));
    }

    return GenericsUtil.toArray(itemClass, list);
  }
  finally {
    stringifier.close();
  }
}