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0N/A */
0N/A
0N/Apackage org.omg.CORBA;
0N/A
0N/A/**
0N/A * An object containing a modifiable list of <code>String</code> objects
0N/A * that represent property names.
0N/A * This class is used in <code>Request</code> operations to
0N/A * describe the contexts that need to be resolved and sent with the
0N/A * invocation. (A context is resolved by giving a property name
0N/A * and getting back the value associated with it.) This is done
0N/A * by calling the <code>Context</code> method
0N/A * <code>get_values</code> and supplying a string from a
0N/A * <code>ContextList</code> object as the third parameter.
0N/A * The method <code>get_values</code> returns an <code>NVList</code>
0N/A * object containing the <code>NamedValue</code> objects that hold
0N/A * the value(s) identified by the given string.
0N/A * <P>
0N/A * A <code>ContextList</code> object is created by the ORB, as
0N/A * illustrated here:
0N/A * <PRE>
0N/A * ORB orb = ORB.init(args, null);
0N/A * org.omg.CORBA.ContextList ctxList = orb.create_context_list();
0N/A * </PRE>
0N/A * The variable <code>ctxList</code> represents an empty
0N/A * <code>ContextList</code> object. Strings are added to
0N/A * the list with the method <code>add</code>, accessed
0N/A * with the method <code>item</code>, and removed with the
0N/A * method <code>remove</code>.
0N/A *
0N/A * @see Context
0N/A * @since JDK1.2
0N/A */
0N/A
0N/Apublic abstract class ContextList {
0N/A
0N/A /**
0N/A * Returns the number of <code>String</code> objects in this
0N/A * <code>ContextList</code> object.
0N/A *
0N/A * @return an <code>int</code> representing the number of
0N/A * <code>String</code>s in this <code>ContextList</code> object
0N/A */
0N/A
0N/A public abstract int count();
0N/A
0N/A /**
0N/A * Adds a <code>String</code> object to this <code>ContextList</code>
0N/A * object.
0N/A *
0N/A * @param ctx the <code>String</code> object to be added
0N/A */
0N/A
0N/A public abstract void add(String ctx);
0N/A
0N/A /**
0N/A * Returns the <code>String</code> object at the given index.
0N/A *
0N/A * @param index the index of the string desired, with 0 being the
0N/A index of the first string
0N/A * @return the string at the given index
0N/A * @exception org.omg.CORBA.Bounds if the index is greater than
0N/A * or equal to the number of strings in this
0N/A * <code>ContextList</code> object
0N/A */
0N/A
0N/A public abstract String item(int index) throws org.omg.CORBA.Bounds;
0N/A
0N/A /**
0N/A * Removes the <code>String</code> object at the given index. Note that
0N/A * the indices of all strings following the one removed are
0N/A * shifted down by one.
0N/A *
0N/A * @param index the index of the <code>String</code> object to be removed,
0N/A * with 0 designating the first string
0N/A * @exception org.omg.CORBA.Bounds if the index is greater than
0N/A * or equal to the number of <code>String</code> objects in
0N/A * this <code>ContextList</code> object
0N/A */
0N/A
0N/A public abstract void remove(int index) throws org.omg.CORBA.Bounds;
0N/A
0N/A}