com.sun.grizzly.util.AttributeHolder Maven / Gradle / Ivy
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package com.sun.grizzly.util;
import java.util.Map;
/**
* Interface declares common functionality for objects, which could have
* associated attributes.
*
* @author Alexey Stashok
*/
public interface AttributeHolder {
/**
* Remove a name/value object.
* @param name - name of an attribute
* @return attribute which has been removed
*/
public Object removeAttribute(String name);
/**
* Set a name/value object.
* @param name - name of an attribute
* @param value - value of named attribute
*/
public void setAttribute(String name, Object value);
/**
* Set a {@link Map} of attribute name/value pairs.
* Old {@link AttributeHolder} values will not be available.
* Later changes of this {@link Map} will lead to changes to the current
* {@link AttributeHolder}.
*
* @param attributes - map of name/value pairs
*/
public void setAttributes(Map attributes);
/**
* Return an object based on a name.
* @param name - name of an attribute
* @return - attribute value for the name, null if name
* does not exist in attributes
*/
public Object getAttribute(String name);
/**
* Return a {@link Map} of attribute name/value pairs.
* Updates, performed on the returned {@link Map} will be reflected in
* this {@link AttributeHolder}
*
* @return - {@link Map} of attribute name/value pairs
*/
public Map getAttributes();
}