- /*
- * @(#)CompositeData.java 3.19 04/02/10
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
-
- package javax.management.openmbean;
-
-
- // java import
- //
- import java.io.Serializable;
- import java.util.Collection;
- import java.util.Map;
-
- // jmx import
- //
-
-
- /**
- * The <tt>CompositeData</tt> interface specifies the behavior of a specific type of complex <i>open data</i> objects
- * which represent <i>composite data</i> structures.
- *
- * @version 3.19 04/02/10
- * @author Sun Microsystems, Inc.
- *
- * @since 1.5
- * @since.unbundled JMX 1.1
- */
- public interface CompositeData {
-
-
- /**
- * Returns the <i>composite type </i> of this <i>composite data</i> instance.
- *
- * @return the type of this CompositeData.
- */
- public CompositeType getCompositeType();
-
- /**
- * Returns the value of the item whose name is <tt>key</tt>.
- *
- * @param key the name of the item.
- *
- * @return the value associated with this key.
- *
- * @throws IllegalArgumentException if <tt>key</tt> is a null or empty String.
- *
- * @throws InvalidKeyException if <tt>key</tt> is not an existing item name for this <tt>CompositeData</tt> instance.
- */
- public Object get(String key) ;
-
- /**
- * Returns an array of the values of the items whose names are specified by <tt>keys</tt>, in the same order as <tt>keys</tt>.
- *
- * @param keys the names of the items.
- *
- * @return the values corresponding to the keys.
- *
- * @throws IllegalArgumentException if an element in <tt>keys</tt> is a null or empty String.
- *
- * @throws InvalidKeyException if an element in <tt>keys</tt> is not an existing item name for this <tt>CompositeData</tt> instance.
- */
- public Object[] getAll(String[] keys) ;
-
- /**
- * Returns <tt>true</tt> if and only if this <tt>CompositeData</tt> instance contains
- * an item whose name is <tt>key</tt>.
- * If <tt>key</tt> is a null or empty String, this method simply returns false.
- *
- * @param key the key to be tested.
- *
- * @return true if this <tt>CompositeData</tt> contains the key.
- */
- public boolean containsKey(String key) ;
-
- /**
- * Returns <tt>true</tt> if and only if this <tt>CompositeData</tt> instance contains an item
- * whose value is <tt>value</tt>.
- *
- * @param value the value to be tested.
- *
- * @return true if this <tt>CompositeData</tt> contains the value.
- */
- public boolean containsValue(Object value) ;
-
- /**
- * Returns an unmodifiable Collection view of the item values contained in this <tt>CompositeData</tt> instance.
- * The returned collection's iterator will return the values in the ascending lexicographic order of the corresponding
- * item names.
- *
- * @return the values.
- */
- public Collection values() ;
-
- /**
- * Compares the specified <var>obj</var> parameter with this <code>CompositeData</code> instance for equality.
- * <p>
- * Returns <tt>true</tt> if and only if all of the following statements are true:
- * <ul>
- * <li><var>obj</var> is non null,</li>
- * <li><var>obj</var> also implements the <code>CompositeData</code> interface,</li>
- * <li>their composite types are equal</li>
- * <li>their contents (ie item values) are equal.</li>
- * </ul>
- * This ensures that this <tt>equals</tt> method works properly for <var>obj</var> parameters which are
- * different implementations of the <code>CompositeData</code> interface.
- * <br>
- * @param obj the object to be compared for equality with this <code>CompositeData</code> instance;
- *
- * @return <code>true</code> if the specified object is equal to this <code>CompositeData</code> instance.
- */
- public boolean equals(Object obj) ;
-
- /**
- * Returns the hash code value for this <code>CompositeData</code> instance.
- * <p>
- * The hash code of a <code>CompositeData</code> instance is the sum of the hash codes
- * of all elements of information used in <code>equals</code> comparisons
- * (ie: its <i>composite type</i> and all the item values).
- * <p>
- * This ensures that <code> t1.equals(t2) </code> implies that <code> t1.hashCode()==t2.hashCode() </code>
- * for any two <code>CompositeData</code> instances <code>t1</code> and <code>t2</code>,
- * as required by the general contract of the method
- * {@link Object#hashCode() Object.hashCode()}.
- * <p>
- *
- * @return the hash code value for this <code>CompositeData</code> instance
- */
- public int hashCode() ;
-
- /**
- * Returns a string representation of this <code>CompositeData</code> instance.
- * <p>
- * The string representation consists of the name of the implementing class,
- * the string representation of the composite type of this instance, and the string representation of the contents
- * (ie list the itemName=itemValue mappings).
- *
- * @return a string representation of this <code>CompositeData</code> instance
- */
- public String toString() ;
-
- }