Java AttributeList.asList方法代碼示例

import javax.management.AttributeList; //導入方法依賴的package包/類
@Override
public long[] getFileDecriptorInfo() {
    MBeanServer mbsc = MBeans.getMBeanServer();
    AttributeList attributes;
    try {
        attributes = mbsc.getAttributes(
            new ObjectName("java.lang:type=OperatingSystem"), 
            new String[]{"OpenFileDescriptorCount", "MaxFileDescriptorCount"});
        List<Attribute> attrList = attributes.asList();
        long openFdCount = (Long)attrList.get(0).getValue();
        long maxFdCount = (Long)attrList.get(1).getValue();
        long[] fdCounts = { openFdCount, maxFdCount};
        return fdCounts;
    } catch (Exception e) {
        LogFactory.getLog(SdkMBeanRegistrySupport.class).debug(
                "Failed to retrieve file descriptor info", e);
    }
    return null;
}
 

import javax.management.AttributeList; //導入方法依賴的package包/類
/**
 * Sets the values of an array of attributes of this ModelMBean.
 * Executes the setAttribute() method for each attribute in the list.
 *
 * @param attributes A list of attributes: The identification of the
 * attributes to be set and  the values they are to be set to.
 *
 * @return  The array of attributes that were set, with their new
 *    values in Attribute instances.
 *
 * @exception RuntimeOperationsException Wraps an
 *   {@link IllegalArgumentException}: The object name in parameter
 *   is null or attributes in parameter is null.
 *
 * @see #getAttributes
 **/
public AttributeList setAttributes(AttributeList attributes) {

    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                RequiredModelMBean.class.getName(),
            "setAttribute(Attribute)", "Entry");
    }

    if (attributes == null)
        throw new RuntimeOperationsException(new
            IllegalArgumentException("attributes must not be null"),
            "Exception occurred trying to set attributes of a "+
            "RequiredModelMBean");

    final AttributeList responseList = new AttributeList();

    // Go through the list of attributes
    for (Attribute attr : attributes.asList()) {
        try {
            setAttribute(attr);
            responseList.add(attr);
        } catch (Exception excep) {
            responseList.remove(attr);
        }
    }

    return responseList;
}
 

import javax.management.AttributeList; //導入方法依賴的package包/類
@Override
public AttributeList setAttributes(ObjectName name, AttributeList attributes)
    throws InstanceNotFoundException, ReflectionException {
  // call setAttribute instead to use the authorization logic
  for (Attribute attribute : attributes.asList()) {
    try {
      setAttribute(name, attribute);
    } catch (Exception e) {
      throw new GemFireSecurityException("error setting attribute " + attribute + " of " + name,
          e);
    }
  }
  return attributes;
}
 

import javax.management.AttributeList; //導入方法依賴的package包/類
/**
 * Sets the values of an array of attributes of this ModelMBean.
 * Executes the setAttribute() method for each attribute in the list.
 *
 * @param attributes A list of attributes: The identification of the
 * attributes to be set and  the values they are to be set to.
 *
 * @return  The array of attributes that were set, with their new
 *    values in Attribute instances.
 *
 * @exception RuntimeOperationsException Wraps an
 *   {@link IllegalArgumentException}: The object name in parameter
 *   is null or attributes in parameter is null.
 *
 * @see #getAttributes
 **/
public AttributeList setAttributes(AttributeList attributes) {

    if (MODELMBEAN_LOGGER.isLoggable(Level.TRACE)) {
        MODELMBEAN_LOGGER.log(Level.TRACE, "Entry");
    }

    if (attributes == null)
        throw new RuntimeOperationsException(new
            IllegalArgumentException("attributes must not be null"),
            "Exception occurred trying to set attributes of a "+
            "RequiredModelMBean");

    final AttributeList responseList = new AttributeList();

    // Go through the list of attributes
    for (Attribute attr : attributes.asList()) {
        try {
            setAttribute(attr);
            responseList.add(attr);
        } catch (Exception excep) {
            responseList.remove(attr);
        }
    }

    return responseList;
}
 

import javax.management.AttributeList; //導入方法依賴的package包/類
private Double getDoubleValue(AttributeList attributes, String name) {
  List<Attribute> _attributes = attributes.asList();
  for (Attribute attr : _attributes) {
    if (attr.getName().equalsIgnoreCase(name)) {
      return (Double) attr.getValue();
    }
  }
  return 0D;
}
 

import javax.management.AttributeList; //導入方法依賴的package包/類
private Long getLongValue(AttributeList attributes, String name) {
  List<Attribute> _attributes = attributes.asList();
  for (Attribute attr : _attributes) {
    if (attr.getName().equalsIgnoreCase(name)) {
      return (Long) attr.getValue();
    }
  }
  return 0L;
}