How to use

OperatorDescriptorDual$LocalPropertiesPair

in

org.apache.flink.optimizer.operators

@Override
protected List<LocalPropertiesPair> createPossibleLocalProperties() {
  // all properties are possible
  return Collections.singletonList(new LocalPropertiesPair(new RequestedLocalProperties(), new RequestedLocalProperties()));
}

if (lpp.getProperties1().isMetBy(in1.getLocalProperties()) &&
  lpp.getProperties2().isMetBy(in2.getLocalProperties()) )
  if (dps.areCoFulfilled(lpp.getProperties1(), lpp.getProperties2(), 
    in1.getLocalProperties(), in2.getLocalProperties()))
    in1Copy.setRequiredLocalProps(lpp.getProperties1());
    in2Copy.setRequiredLocalProps(lpp.getProperties2());

if (lpp.getProperties1().isMetBy(in1.getLocalProperties()) &&
  lpp.getProperties2().isMetBy(in2.getLocalProperties()) )
  if (dps.areCoFulfilled(lpp.getProperties1(), lpp.getProperties2(), 
    in1.getLocalProperties(), in2.getLocalProperties()))
    in1Copy.setRequiredLocalProps(lpp.getProperties1());
    in2Copy.setRequiredLocalProps(lpp.getProperties2());

if (lpp.getProperties1().isMetBy(in1.getLocalProperties()) &&
  lpp.getProperties2().isMetBy(in2.getLocalProperties()) )
  if (dps.areCoFulfilled(lpp.getProperties1(), lpp.getProperties2(), 
    in1.getLocalProperties(), in2.getLocalProperties()))
    in1Copy.setRequiredLocalProps(lpp.getProperties1());
    in2Copy.setRequiredLocalProps(lpp.getProperties2());

if (lpp.getProperties1().isMetBy(in1.getLocalProperties()) &&
  lpp.getProperties2().isMetBy(in2.getLocalProperties()) )
  if (dps.areCoFulfilled(lpp.getProperties1(), lpp.getProperties2(), 
    in1.getLocalProperties(), in2.getLocalProperties()))
    in1Copy.setRequiredLocalProps(lpp.getProperties1());
    in2Copy.setRequiredLocalProps(lpp.getProperties2());

@Override
public void computeInterestingPropertiesForInputs(CostEstimator estimator) {
  // get what we inherit and what is preserved by our user code 
  final InterestingProperties props1 = getInterestingProperties().filterByCodeAnnotations(this, 0);
  final InterestingProperties props2 = getInterestingProperties().filterByCodeAnnotations(this, 1);
  
  // add all properties relevant to this node
  for (OperatorDescriptorDual dpd : getProperties()) {
    for (GlobalPropertiesPair gp : dpd.getPossibleGlobalProperties()) {
      // input 1
      props1.addGlobalProperties(gp.getProperties1());
      
      // input 2
      props2.addGlobalProperties(gp.getProperties2());
    }
    for (LocalPropertiesPair lp : dpd.getPossibleLocalProperties()) {
      // input 1
      props1.addLocalProperties(lp.getProperties1());
      
      // input 2
      props2.addLocalProperties(lp.getProperties2());
    }
  }
  this.input1.setInterestingProperties(props1);
  this.input2.setInterestingProperties(props2);
  
  for (DagConnection conn : getBroadcastConnections()) {
    conn.setInterestingProperties(new InterestingProperties());
  }
}

@Override
public void computeInterestingPropertiesForInputs(CostEstimator estimator) {
  // get what we inherit and what is preserved by our user code 
  final InterestingProperties props1 = getInterestingProperties().filterByCodeAnnotations(this, 0);
  final InterestingProperties props2 = getInterestingProperties().filterByCodeAnnotations(this, 1);
  
  // add all properties relevant to this node
  for (OperatorDescriptorDual dpd : getProperties()) {
    for (GlobalPropertiesPair gp : dpd.getPossibleGlobalProperties()) {
      // input 1
      props1.addGlobalProperties(gp.getProperties1());
      
      // input 2
      props2.addGlobalProperties(gp.getProperties2());
    }
    for (LocalPropertiesPair lp : dpd.getPossibleLocalProperties()) {
      // input 1
      props1.addLocalProperties(lp.getProperties1());
      
      // input 2
      props2.addLocalProperties(lp.getProperties2());
    }
  }
  this.input1.setInterestingProperties(props1);
  this.input2.setInterestingProperties(props2);
  
  for (DagConnection conn : getBroadcastConnections()) {
    conn.setInterestingProperties(new InterestingProperties());
  }
}

@Override
public void computeInterestingPropertiesForInputs(CostEstimator estimator) {
  // get what we inherit and what is preserved by our user code 
  final InterestingProperties props1 = getInterestingProperties().filterByCodeAnnotations(this, 0);
  final InterestingProperties props2 = getInterestingProperties().filterByCodeAnnotations(this, 1);
  
  // add all properties relevant to this node
  for (OperatorDescriptorDual dpd : getProperties()) {
    for (GlobalPropertiesPair gp : dpd.getPossibleGlobalProperties()) {
      // input 1
      props1.addGlobalProperties(gp.getProperties1());
      
      // input 2
      props2.addGlobalProperties(gp.getProperties2());
    }
    for (LocalPropertiesPair lp : dpd.getPossibleLocalProperties()) {
      // input 1
      props1.addLocalProperties(lp.getProperties1());
      
      // input 2
      props2.addLocalProperties(lp.getProperties2());
    }
  }
  this.input1.setInterestingProperties(props1);
  this.input2.setInterestingProperties(props2);
  
  for (DagConnection conn : getBroadcastConnections()) {
    conn.setInterestingProperties(new InterestingProperties());
  }
}

@Override
public void computeInterestingPropertiesForInputs(CostEstimator estimator) {
  // get what we inherit and what is preserved by our user code 
  final InterestingProperties props1 = getInterestingProperties().filterByCodeAnnotations(this, 0);
  final InterestingProperties props2 = getInterestingProperties().filterByCodeAnnotations(this, 1);
  
  // add all properties relevant to this node
  for (OperatorDescriptorDual dpd : getProperties()) {
    for (GlobalPropertiesPair gp : dpd.getPossibleGlobalProperties()) {
      // input 1
      props1.addGlobalProperties(gp.getProperties1());
      
      // input 2
      props2.addGlobalProperties(gp.getProperties2());
    }
    for (LocalPropertiesPair lp : dpd.getPossibleLocalProperties()) {
      // input 1
      props1.addLocalProperties(lp.getProperties1());
      
      // input 2
      props2.addLocalProperties(lp.getProperties2());
    }
  }
  this.input1.setInterestingProperties(props1);
  this.input2.setInterestingProperties(props2);
  
  for (DagConnection conn : getBroadcastConnections()) {
    conn.setInterestingProperties(new InterestingProperties());
  }
}

@Override
protected List<LocalPropertiesPair> createPossibleLocalProperties() {
  // all properties are possible
  return Collections.singletonList(new LocalPropertiesPair(new RequestedLocalProperties(), new RequestedLocalProperties()));
}

@Override
protected List<LocalPropertiesPair> createPossibleLocalProperties() {
  // all properties are possible
  return Collections.singletonList(new LocalPropertiesPair(new RequestedLocalProperties(), new RequestedLocalProperties()));
}

@Override
protected List<LocalPropertiesPair> createPossibleLocalProperties() {
  // all properties are possible
  return Collections.singletonList(new LocalPropertiesPair(
    new RequestedLocalProperties(), new RequestedLocalProperties()));
}

@Override
protected List<LocalPropertiesPair> createPossibleLocalProperties() {
  RequestedLocalProperties sort = new RequestedLocalProperties(Utils.createOrdering(this.keys1));
  RequestedLocalProperties none = new RequestedLocalProperties();
  return Collections.singletonList(new LocalPropertiesPair(sort, none));
}

@Override
protected List<LocalPropertiesPair> createPossibleLocalProperties() {
  // all properties are possible
  return Collections.singletonList(new LocalPropertiesPair(new RequestedLocalProperties(), new RequestedLocalProperties()));
}

@Override
protected List<LocalPropertiesPair> createPossibleLocalProperties() {
  // all properties are possible
  return Collections.singletonList(new LocalPropertiesPair(new RequestedLocalProperties(), new RequestedLocalProperties()));
}

@Override
protected List<OperatorDescriptorDual.LocalPropertiesPair> createPossibleLocalProperties() {
  RequestedLocalProperties sort1 = new RequestedLocalProperties(this.ordering1);
  RequestedLocalProperties sort2 = new RequestedLocalProperties(this.ordering2);
  return Collections.singletonList(new OperatorDescriptorDual.LocalPropertiesPair(sort1, sort2));
}

@Override
protected List<LocalPropertiesPair> createPossibleLocalProperties() {
  RequestedLocalProperties sort1 = new RequestedLocalProperties(Utils.createOrdering(this.keys1));
  RequestedLocalProperties sort2 = new RequestedLocalProperties(Utils.createOrdering(this.keys2));
  return Collections.singletonList(new LocalPropertiesPair(sort1, sort2));
}

@Override
protected List<LocalPropertiesPair> createPossibleLocalProperties() {
  // all properties are possible
  return Collections.singletonList(new LocalPropertiesPair(new RequestedLocalProperties(), new RequestedLocalProperties()));
}

@Override
protected List<LocalPropertiesPair> createPossibleLocalProperties() {
  // all properties are possible
  return Collections.singletonList(new LocalPropertiesPair(new RequestedLocalProperties(), new RequestedLocalProperties()));
}

@Override
protected List<OperatorDescriptorDual.LocalPropertiesPair> createPossibleLocalProperties() {
  // all properties are possible
  return Collections.singletonList(new OperatorDescriptorDual.LocalPropertiesPair(new RequestedLocalProperties(), new RequestedLocalProperties()));
}