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## org.modeshape.graph.query.process
Class ProjectComponent

    java.lang.Object
      org.modeshape.graph.query.process.ProcessingComponent
          org.modeshape.graph.query.process.DelegatingComponent
              org.modeshape.graph.query.process.ProjectComponent

    public class ProjectComponent

extends DelegatingComponent

A `ProcessingComponent` implementation that performs a `PROJECT` operation to reduce the columns that appear in the results.

Nested Class Summary

Nested classes/interfaces inherited from class org.modeshape.graph.query.process.ProcessingComponent
`ProcessingComponent.DynamicOperation`

Constructor Summary
`ProjectComponent(ProcessingComponent delegate, List<Column> columns)`

Method Summary
`List<Object[]>` | `execute()` Execute this stage of processing and return the resulting tuples that each conform to the `columns`.

Methods inherited from class org.modeshape.graph.query.process.DelegatingComponent
`close, delegate`

Methods inherited from class org.modeshape.graph.query.process.ProcessingComponent
`createDynamicOperation, createSortComparator, emptyTuples, getColumns, getContext, problems`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ProjectComponent

    public ProjectComponent(ProcessingComponent delegate,
                            List<Column> columns)

Method Detail

### execute

    public List<Object[]> execute()

  Execute this stage of processing and return the resulting tuples that each conform to the `columns`.

  Specified by:
    `execute` in class `ProcessingComponent`
  Returns:
    the list of tuples, where each tuple corresonds to the `columns`; never null
  See Also:
    `ProcessingComponent.execute()`

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