QueryIterUnion (Apache Jena ARQ)

java.lang.Object
- org.apache.jena.sparql.util.PrintSerializableBase
- - org.apache.jena.sparql.engine.iterator.QueryIteratorBase
  - - org.apache.jena.sparql.engine.iterator.QueryIter
    - - org.apache.jena.sparql.engine.iterator.QueryIter1
      - org.apache.jena.sparql.engine.iterator.QueryIterRepeatApply
        
        org.apache.jena.sparql.engine.main.iterator.QueryIterUnion

All Implemented Interfaces:

java.util.Iterator<Binding>, org.apache.jena.atlas.io.Printable, org.apache.jena.atlas.lib.Closeable, QueryIterator, PrintSerializable
```
public class QueryIterUnion
extends QueryIterRepeatApply
```
Execute each sub stage against the input. Streamed SPARQL Union.

- Field Summary
  - Fields inherited from class org.apache.jena.sparql.engine.iterator.QueryIteratorBase
    traceIterators
- Constructor Summary
  
  Constructors
  Constructor Description
  
  QueryIterUnion(QueryIterator input, java.util.List<Op> subOps, ExecutionContext context)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  void output(org.apache.jena.atlas.io.IndentedWriter out, SerializationContext sCxt)
  - Methods inherited from class org.apache.jena.sparql.engine.iterator.QueryIter
    close, getExecContext, getIteratorNumber, makeTracked, map, materialize, materialize, output
  - Methods inherited from class org.apache.jena.sparql.engine.iterator.QueryIteratorBase
    cancel, debug, hasNext, next, nextBinding, remove
  - Methods inherited from class org.apache.jena.sparql.util.PrintSerializableBase
    toString, toString
  - Methods inherited from class java.lang.Object
    equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
  - Methods inherited from interface java.util.Iterator
    forEachRemaining
  - Methods inherited from interface org.apache.jena.sparql.util.PrintSerializable
    toString
  - Methods inherited from interface org.apache.jena.sparql.engine.QueryIterator
    isJoinIdentity

Constructor Detail

QueryIterUnion

public QueryIterUnion(QueryIterator input,
                      java.util.List<Op> subOps,
                      ExecutionContext context)

Method Detail

output

public void output(org.apache.jena.atlas.io.IndentedWriter out,
                   SerializationContext sCxt)

Specified by:: output in interface PrintSerializable
Overrides:: output in class QueryIter1