本文整理了Java中org.eclipse.rdf4j.query.algebra.Union.getLeftArg()方法的一些代码示例，展示了Union.getLeftArg()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。Union.getLeftArg()方法的具体详情如下：
包路径：org.eclipse.rdf4j.query.algebra.Union
类名称：Union
方法名：getLeftArg

Union.getLeftArg介绍

暂无

代码示例

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-queryalgebra-evaluation

@Override
  protected Iteration<BindingSet, QueryEvaluationException> createIteration()
    throws QueryEvaluationException
  {
    return evaluate(union.getLeftArg(), bindings);
  }
};

代码示例来源：origin: de.tudarmstadt.ukp.inception.rdf4j/rdf4j-queryalgebra-evaluation

@Override
  protected Iteration<BindingSet, QueryEvaluationException> createIteration()
    throws QueryEvaluationException
  {
    return evaluate(union.getLeftArg(), bindings);
  }
};

代码示例来源：origin: eclipse/rdf4j

@Override
public Set<String> getAssuredBindingNames() {
  Set<String> bindingNames = new LinkedHashSet<>(16);
  bindingNames.addAll(getLeftArg().getAssuredBindingNames());
  bindingNames.retainAll(getRightArg().getAssuredBindingNames());
  return bindingNames;
}

代码示例来源：origin: eclipse/rdf4j

@Override
public Set<String> getBindingNames() {
  Set<String> bindingNames = new LinkedHashSet<>(16);
  bindingNames.addAll(getLeftArg().getBindingNames());
  bindingNames.addAll(getRightArg().getBindingNames());
  return bindingNames;
}

代码示例来源：origin: eclipse/rdf4j

/**
 * @inheritDoc
 */
@Override
public void meet(Union theOp)
  throws Exception
{
  String aLeft = renderTupleExpr(theOp.getLeftArg());
  String aRight = renderTupleExpr(theOp.getRightArg());
  mBuffer.append(aLeft).append("\nunion\n").append(aRight);
}

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-client

/**
 * @inheritDoc
 */
@Override
public void meet(Union theOp)
  throws Exception
{
  String aLeft = renderTupleExpr(theOp.getLeftArg());
  String aRight = renderTupleExpr(theOp.getRightArg());
  mBuffer.append(aLeft).append("\nunion\n").append(aRight);
}

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-client

public Set<String> getBindingNames() {
  Set<String> bindingNames = new LinkedHashSet<String>(16);
  bindingNames.addAll(getLeftArg().getBindingNames());
  bindingNames.addAll(getRightArg().getBindingNames());
  return bindingNames;
}

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-client

public Set<String> getAssuredBindingNames() {
  Set<String> bindingNames = new LinkedHashSet<String>(16);
  bindingNames.addAll(getLeftArg().getAssuredBindingNames());
  bindingNames.retainAll(getRightArg().getAssuredBindingNames());
  return bindingNames;
}

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-queryrender

/**
 * @inheritDoc
 */
@Override
public void meet(Union theOp)
  throws Exception
{
  String aLeft = renderTupleExpr(theOp.getLeftArg());
  String aRight = renderTupleExpr(theOp.getRightArg());
  mBuffer.append(aLeft).append("\nunion\n").append(aRight);
}

代码示例来源：origin: eclipse/rdf4j

/**
 * @inheritDoc
 */
@Override
public void meet(Union theOp)
  throws Exception
{
  binaryOpMeet(theOp, theOp.getLeftArg(), theOp.getRightArg());
}

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-queryrender

/**
 * @inheritDoc
 */
@Override
public void meet(Union theOp)
  throws Exception
{
  binaryOpMeet(theOp, theOp.getLeftArg(), theOp.getRightArg());
}

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-client

/**
 * @inheritDoc
 */
@Override
public void meet(Union theOp)
  throws Exception
{
  binaryOpMeet(theOp, theOp.getLeftArg(), theOp.getRightArg());
}

代码示例来源：origin: apache/incubator-rya

@Override
public void meet(final Union union) {
  boolean filterMoved = false;
  if (Sets.intersection(union.getRightArg().getBindingNames(), filterVars).size() > 0) {
    relocate(filter, union.getRightArg());
    filterMoved = true;
  }
  if (Sets.intersection(union.getLeftArg().getBindingNames(), filterVars).size() > 0) {
    if (filterMoved) {
      final Filter clone = new Filter(filter.getArg(), filter.getCondition().clone());
      relocate(clone, union.getLeftArg());
    } else {
      relocate(filter, union.getLeftArg());
    }
  }
}

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-queryalgebra-evaluation

@Override
public void meet(Union union) {
  super.meet(union);
  TupleExpr leftArg = union.getLeftArg();
  TupleExpr rightArg = union.getRightArg();
  if (leftArg instanceof EmptySet) {
    union.replaceWith(rightArg);
  }
  else if (rightArg instanceof EmptySet) {
    union.replaceWith(leftArg);
  }
  else if (leftArg instanceof SingletonSet && rightArg instanceof SingletonSet) {
    union.replaceWith(leftArg);
  }
}

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-queryalgebra-evaluation

@Override
public void meet(Union union) {
  super.meet(union);
  TupleExpr leftArg = union.getLeftArg();
  TupleExpr rightArg = union.getRightArg();
  if (leftArg instanceof EmptySet) {
    union.replaceWith(rightArg);
  }
  else if (rightArg instanceof EmptySet) {
    union.replaceWith(leftArg);
  }
  else if (leftArg instanceof SingletonSet && rightArg instanceof SingletonSet) {
    union.replaceWith(leftArg);
  }
}

代码示例来源：origin: de.tudarmstadt.ukp.inception.rdf4j/rdf4j-queryalgebra-evaluation

@Override
public void meet(Union union) {
  super.meet(union);
  TupleExpr leftArg = union.getLeftArg();
  TupleExpr rightArg = union.getRightArg();
  if (leftArg instanceof EmptySet) {
    union.replaceWith(rightArg);
  }
  else if (rightArg instanceof EmptySet) {
    union.replaceWith(leftArg);
  }
  else if (leftArg instanceof SingletonSet && rightArg instanceof SingletonSet) {
    union.replaceWith(leftArg);
  }
}

代码示例来源：origin: de.tudarmstadt.ukp.inception.rdf4j/rdf4j-queryalgebra-evaluation

@Override
public void meet(Union union) {
  super.meet(union);
  TupleExpr leftArg = union.getLeftArg();
  TupleExpr rightArg = union.getRightArg();
  if (leftArg instanceof EmptySet) {
    union.replaceWith(rightArg);
  }
  else if (rightArg instanceof EmptySet) {
    union.replaceWith(leftArg);
  }
  else if (leftArg instanceof SingletonSet && rightArg instanceof SingletonSet) {
    union.replaceWith(leftArg);
  }
}

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-queryalgebra-evaluation

@Override
public void meet(Union union) {
  Filter clone = new Filter();
  clone.setCondition(filter.getCondition().clone());
  relocate(filter, union.getLeftArg());
  relocate(clone, union.getRightArg());
  FilterRelocator.relocate(filter);
  FilterRelocator.relocate(clone);
}

代码示例来源：origin: de.tudarmstadt.ukp.inception.rdf4j/rdf4j-queryalgebra-evaluation

@Override
public void meet(Union union) {
  Filter clone = new Filter();
  clone.setCondition(filter.getCondition().clone());
  relocate(filter, union.getLeftArg());
  relocate(clone, union.getRightArg());
  FilterRelocator.relocate(filter);
  FilterRelocator.relocate(clone);
}

代码示例来源：origin: de.tudarmstadt.ukp.inception.rdf4j/rdf4j-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);
      }
    }
  }
}