}
}
}
if (insertTripleIndex != null){
this.indexScanCreator.getRoot().addSucceedingOperator(new OperatorIDTuple(insertTripleIndex, 0));
insertTripleIndex.addPrecedingOperator(this.indexScanCreator.getRoot());
}
if (this.predicateIndex != null){
this.indexScanCreator.getRoot().addSucceedingOperator(new OperatorIDTuple(this.predicateIndex, 1));
this.predicateIndex.addPrecedingOperator(this.indexScanCreator.getRoot());
}