one.world.io
Class QueryResponse

java.lang.Object
  |
  +--one.world.core.Tuple
        |
        +--one.world.core.Event
              |
              +--one.world.io.QueryResponse

All Implemented Interfaces:

Cloneable, Serializable

public class QueryResponse

extends Event

Implementation of a query response.

Version:

$Revision: 1.8 $

See Also:

InputRequest, IteratorRequest, IteratorResponse, Serialized Form

Field Summary

long	duration The initial duration for the lease.
EventHandler	iter The event handler for the iterator, which iterates a query's results.
EventHandler	lease The event handler for the lease that controls the result iterator.

Fields inherited from class one.world.core.Event

closure, source

Fields inherited from class one.world.core.Tuple

CLOSURE, id, ID, META_DATA, metaData, SOURCE

Constructor Summary

QueryResponse()
Create a new, empty query response.

QueryResponse(EventHandler source, Object closure, EventHandler iter, EventHandler lease, long duration)
Create a new query response.

Method Summary

void	validate() Validate this query response.

Methods inherited from class one.world.core.Tuple

clone, containsNonSymbolicHandler, equals, fields, get, getMetaData, getType, hasField, hashCode, hasMetaData, remove, set, setMetaData, toString, wrap

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

iter

public EventHandler iter

The event handler for the iterator, which iterates a query's results.

lease

public EventHandler lease

The event handler for the lease that controls the result iterator.

duration

public long duration

The initial duration for the lease.

See Also:

Duration

Constructor Detail

QueryResponse

public QueryResponse()

Create a new, empty query response.

QueryResponse

public QueryResponse(EventHandler source,
                     Object closure,
                     EventHandler iter,
                     EventHandler lease,
                     long duration)

Create a new query response.

Parameters:

source - The source for the new query response.

closure - The closure for the new query response.

iter - The result iterator's event handler for the new query response.

lease - The lease's event handler for the new query response.

duration - The initial lease duration.

Method Detail

validate

public void validate()
              throws TupleException

Validate this query response.

Overrides:

validate in class Event

Following copied from class: one.world.core.Tuple

Throws:

TupleException - Signals that the tuple is either malformed (i.e., does not conform to the tuple specification) or invalid (i.e., does not conform to the semantic constraints of its type).

See Also:

MalformedTupleException, InvalidTupleException, Type.validate(Class)