Dispatcher

All Known Subinterfaces:

Dispatcher.ImmutableCopy

All Known Implementing Classes:

DefaultDispatcher
```
@ThreadSafe
@Internal
public interface Dispatcher
```
An object which implements dispatching of function calls.
CEL Library Internals. Do Not Use.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface Dispatcher.ImmutableCopy
An Immutable copy of a Dispatcher.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.Object`	`dispatch(Metadata metadata, long exprId, java.lang.String functionName, java.util.List<java.lang.String> overloadIds, java.lang.Object[] args)`	Invokes a function based on given parameters.
`Dispatcher.ImmutableCopy`	`immutableCopy()`	Returns an `Dispatcher.ImmutableCopy` from current instance.

- Method Detail
  - dispatch
```
java.lang.Object dispatch(Metadata metadata,
                          long exprId,
                          java.lang.String functionName,
                          java.util.List<java.lang.String> overloadIds,
                          java.lang.Object[] args)
                   throws InterpreterException
```
    Invokes a function based on given parameters.
    
    Parameters:
    
    metadata - Metadata used for error reporting.
    
    exprId - Expression identifier which can be used together with metadata to get information about the dispatch target for error reporting.
    
    functionName - the logical name of the function being invoked.
    
    overloadIds - A list of function overload ids. The dispatcher selects the unique overload from this list with matching arguments.
    
    args - The arguments to pass to the function.
    
    Returns:
    
    The result of the function call.
    
    Throws:
    
    InterpreterException - if something goes wrong.
  - immutableCopy
```
Dispatcher.ImmutableCopy immutableCopy()
```
    Returns an Dispatcher.ImmutableCopy from current instance.
    
    See Also:
    
    Dispatcher.ImmutableCopy