- java.lang.Object
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- org.omg.CORBA.ContextList
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public abstract class ContextList extends Object
An object containing a modifiable list ofString
objects that represent property names. This class is used inRequest
operations to describe the contexts that need to be resolved and sent with the invocation. (A context is resolved by giving a property name and getting back the value associated with it.) This is done by calling theContext
methodget_values
and supplying a string from aContextList
object as the third parameter. The methodget_values
returns anNVList
object containing theNamedValue
objects that hold the value(s) identified by the given string.A
ContextList
object is created by the ORB, as illustrated here:ORB orb = ORB.init(args, null); org.omg.CORBA.ContextList ctxList = orb.create_context_list();
The variablectxList
represents an emptyContextList
object. Strings are added to the list with the methodadd
, accessed with the methoditem
, and removed with the methodremove
.- Since:
- JDK1.2
- See Also:
Context
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Constructor Summary
Constructors Constructor Description ContextList()
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description abstract void
add(String ctx)
Adds aString
object to thisContextList
object.abstract int
count()
Returns the number ofString
objects in thisContextList
object.abstract String
item(int index)
Returns theString
object at the given index.abstract void
remove(int index)
Removes theString
object at the given index.
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Method Detail
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count
public abstract int count()
Returns the number ofString
objects in thisContextList
object.- Returns:
- an
int
representing the number ofString
s in thisContextList
object
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add
public abstract void add(String ctx)
Adds aString
object to thisContextList
object.- Parameters:
ctx
- theString
object to be added
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item
public abstract String item(int index) throws Bounds
Returns theString
object at the given index.- Parameters:
index
- the index of the string desired, with 0 being the index of the first string- Returns:
- the string at the given index
- Throws:
Bounds
- if the index is greater than or equal to the number of strings in thisContextList
object
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remove
public abstract void remove(int index) throws Bounds
Removes theString
object at the given index. Note that the indices of all strings following the one removed are shifted down by one.- Parameters:
index
- the index of theString
object to be removed, with 0 designating the first string- Throws:
Bounds
- if the index is greater than or equal to the number ofString
objects in thisContextList
object
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