org.apache.lens.server.query.collect

Interface MutableQueryCollection

All Known Subinterfaces:

EstimatedQueryCollection, QueryCollection

All Known Implementing Classes:

DefaultEstimatedQueryCollection, DefaultQueryCollection, ThreadSafeEstimatedQueryCollection, ThreadSafeQueryCollection

public interface MutableQueryCollection

MutableQueryCollection interface defines all mutable behaviours on queries existing in lens system. Responsibility of implementations of this interface is to make sure that if multiple views are created for the collection of queries, then they should remain consistent with each other after mutable behaviours are executed.

Method Summary

Modifier and Type	Method and Description
boolean	add(QueryContext query) add the given query to existing queries
boolean	addAll(Set<QueryContext> queries)
boolean	remove(QueryContext query) removes given query from existing queries
boolean	removeAll(Set<QueryContext> queries)

Method Detail

add

boolean add(QueryContext query)

add the given query to existing queries

Parameters:

query -

Returns:

addAll

boolean addAll(Set<QueryContext> queries)

Parameters:

queries -

Returns:

remove

boolean remove(QueryContext query)

removes given query from existing queries

Parameters:

query -

Returns:

removeAll

boolean removeAll(Set<QueryContext> queries)

Parameters:

queries -