Package org.eclipse.equinox.p2.query

Class CollectionResult<T>

  • All Implemented Interfaces:
    java.lang.Iterable<T>, IQueryable<T>, IQueryResult<T>
    public class CollectionResult<T>
extends java.lang.Object
implements IQueryResult<T>
    This class allows to adapt java collections to a p2 a query result and as such something queryable
    Since:
    2.0

    • Constructor Summary

      Constructors 
      Constructor Description
      CollectionResult​(java.util.Collection<T> collection)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean isEmpty()
      Returns whether this QueryResult is empty.
      java.util.Iterator<T> iterator()
      Returns an iterator on the collected objects.
      IQueryResult<T> query​(IQuery<T> query, IProgressMonitor monitor)
      Performs a query, passing any objects that satisfy the query to the provided collector.
      T[] toArray​(java.lang.Class<T> clazz)
      Returns the collected objects as an array
      java.util.Set<T> toSet()
      Creates a new Set copy with the contents of this query result.
      java.lang.String toString()  
      java.util.Set<T> toUnmodifiableSet()
      Returns a Set backed by this query result.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

      • Methods inherited from interface java.lang.Iterable

        forEach, spliterator

    • Constructor Detail

      • CollectionResult

        public CollectionResult​(java.util.Collection<T> collection)

    • Method Detail

      • query

        public IQueryResult<T> query​(IQuery<T> query,
                             IProgressMonitor monitor)
        Description copied from interface: IQueryable
        Performs a query, passing any objects that satisfy the query to the provided collector.

        This method is long-running; progress and cancellation are provided by the given progress monitor.

        Specified by:
        query in interface IQueryable<T>
        Parameters:
        query - The query to perform
        monitor - a progress monitor, or null if progress reporting is not desired
        Returns:
        The collector argument

      • isEmpty

        public boolean isEmpty()
        Description copied from interface: IQueryResult
        Returns whether this QueryResult is empty.
        Specified by:
        isEmpty in interface IQueryResult<T>
        Returns:
        true if this QueryResult has accepted any results, and false otherwise.

      • iterator

        public java.util.Iterator<T> iterator()
        Description copied from interface: IQueryResult
        Returns an iterator on the collected objects.
        Specified by:
        iterator in interface IQueryResult<T>
        Specified by:
        iterator in interface java.lang.Iterable<T>
        Returns:
        an iterator of the collected objects.

      • toArray

        public T[] toArray​(java.lang.Class<T> clazz)
        Description copied from interface: IQueryResult
        Returns the collected objects as an array
        Specified by:
        toArray in interface IQueryResult<T>
        Parameters:
        clazz - The type of array to return
        Returns:
        The array of results

      • toSet

        public java.util.Set<T> toSet()
        Description copied from interface: IQueryResult
        Creates a new Set copy with the contents of this query result. The copy can be altered without any side effects on its origin.
        Specified by:
        toSet in interface IQueryResult<T>
        Returns:
        A detached copy of the result.

      • toUnmodifiableSet

        public java.util.Set<T> toUnmodifiableSet()
        Description copied from interface: IQueryResult
        Returns a Set backed by this query result. The set is immutable.
        Specified by:
        toUnmodifiableSet in interface IQueryResult<T>
        Returns:
        A Set backed by this query result.

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object