本文整理了Java中org.openrdf.query.algebra.Join.setLeftArg()方法的一些代码示例，展示了Join.setLeftArg()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Join.setLeftArg()方法的具体详情如下：
包路径：org.openrdf.query.algebra.Join
类名称：Join
方法名：setLeftArg

Join.setLeftArg介绍

暂无

代码示例

代码示例来源：origin: org.openrdf.sesame/sesame-queryrender

private TupleExpr asJoin(Collection<TupleExpr> theList) {
  Join aJoin = new Join();
  if (theList.isEmpty()) {
    throw new RuntimeException("Can't have an empty or missing join.");
  }
  else if (theList.size() == 1) {
    return theList.iterator().next();
  }
  for (TupleExpr aExpr : theList) {
    if (aJoin.getLeftArg() == null) {
      aJoin.setLeftArg(aExpr);
    }
    else if (aJoin.getRightArg() == null) {
      aJoin.setRightArg(aExpr);
    }
    else {
      Join aNewJoin = new Join();
      aNewJoin.setLeftArg(aJoin);
      aNewJoin.setRightArg(aExpr);
      aJoin = aNewJoin;
    }
  }
  return aJoin;
}

代码示例来源：origin: org.apache.rya/rya.indexing

@Override
  public void meet(final Join node) {
    final QueryModelNode lNode = node.getLeftArg();
    if (lNode instanceof StatementPattern) {
      exchangeVar.replaceWith(lNode);
      node.setLeftArg(exchangeVar);
    } else {
      super.meet(node);
    }
  }
}

代码示例来源：origin: org.apache.rya/rya.indexing

if (node.getLeftArg() instanceof StatementPattern && sSet.size() == 1) {
  if(sSet.contains(node.getLeftArg())) {
    node.setLeftArg(set);
    indexPlaced = true;
  } else if(sSet.contains(node.getRightArg())) {

代码示例来源：origin: eu.fbk.rdfpro/rdfpro-rules

newArg = join.getLeftArg() instanceof Extension ? (Extension) join
      .getLeftArg() : new Extension(join.getLeftArg());
      join.setLeftArg(newArg);
} else if (join.getRightArg().getAssuredBindingNames().contains(elemVars)) {
  newArg = join.getRightArg() instanceof Extension ? (Extension) join

代码示例来源：origin: eu.fbk.rdfpro/rdfpro-rules

boolean rewritten = false;
if (join.getLeftArg().getAssuredBindingNames().containsAll(filterVars)) {
  join.setLeftArg(new Filter(join.getLeftArg(), condition.clone()));
  rewritten = true;

代码示例来源：origin: org.openrdf.sesame/sesame-queryalgebra-evaluation

@Override
  public void meet(Union union) {
    super.meet(union);
    TupleExpr leftArg = union.getLeftArg();
    TupleExpr rightArg = union.getRightArg();
    if (leftArg instanceof Join && rightArg instanceof Join) {
      Join leftJoinArg = (Join)leftArg;
      Join rightJoin = (Join)rightArg;
      if (leftJoinArg.getLeftArg().equals(rightJoin.getLeftArg())) {
        // factor out the left-most join argument
        Join newJoin = new Join();
        union.replaceWith(newJoin);
        newJoin.setLeftArg(leftJoinArg.getLeftArg());
        newJoin.setRightArg(union);
        union.setLeftArg(leftJoinArg.getRightArg());
        union.setRightArg(rightJoin.getRightArg());
        union.visit(this);
      }
    }
  }
}

代码示例来源：origin: org.apache.rya/rya.indexing

@Override
public void meet(Join queryNode) {
  // if query tree contains external tuples and they are not
  // positioned above statement pattern node
  // reposition
  if (this.extTuples.size() > 0 && !(queryNode.getRightArg() instanceof ExternalTupleSet)
      && !(queryNode.getRightArg() instanceof BindingSetAssignment)) {
    if (queryNode.getLeftArg() instanceof ExternalTupleSet) {
      QueryModelNode temp = queryNode.getLeftArg();
      queryNode.setLeftArg(queryNode.getRightArg());
      queryNode.setRightArg((TupleExpr)temp);
    } else {
      QNodeExchanger qnev = new QNodeExchanger(queryNode.getRightArg(), this.extTuples);
      queryNode.visit(qnev);
      queryNode.replaceChildNode(queryNode.getRightArg(), qnev.getReplaced());
      super.meet(queryNode);
    }
  } else {
    super.meet(queryNode);
  }
}

代码示例来源：origin: org.openrdf.sesame/sesame-spin

Join join = new Join();
currentNode.replaceWith(join);
join.setLeftArg(currentNode);
join.setRightArg(tupleNode);
tupleNode = join;

代码示例来源：origin: org.openrdf.sesame/sesame-queryrender

Join aNewJoin = new Join();
aNewJoin.setLeftArg(aJoin);
aNewJoin.setRightArg(aExpr);

代码示例来源：origin: org.openrdf.sesame/sesame-queryalgebra-evaluation

join.setLeftArg(leftJoin.getLeftArg());
leftJoin.setLeftArg(join);
leftJoin.visit(this);