Java Code Examples for org.dmg.pmml.tree.Node#getPredicate()

The following examples show how to use org.dmg.pmml.tree.Node#getPredicate() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: TreeModelCompactor.java From jpmml-lightgbm with GNU Affero General Public License v3.0

6 votes

@Override
public void exitNode(Node node){
	Number recordCount = node.getRecordCount();
	Predicate predicate = node.getPredicate();

	if(recordCount != null){
		node.setRecordCount(null);
	} // End if

	if(predicate instanceof True){
		Node parentNode = getParentNode();

		if(parentNode == null){
			return;
		}

		initScore(parentNode, node);
		replaceChildWithGrandchildren(parentNode, node);
	}
}

Example 2

Source File: TreeModelCompactor.java From jpmml-sparkml with GNU Affero General Public License v3.0

5 votes

@Override
public void exitNode(Node node){
	Predicate predicate = node.getPredicate();

	if(predicate instanceof True){
		Node parentNode = getParentNode();

		if(parentNode == null){
			return;
		}

		if((MiningFunction.REGRESSION).equals(this.miningFunction)){
			initScore(parentNode, node);
			replaceChildWithGrandchildren(parentNode, node);
		} else

		if((MiningFunction.CLASSIFICATION).equals(this.miningFunction)){

			// Replace intermediate nodes, but not terminal nodes
			if(node.hasNodes()){
				replaceChildWithGrandchildren(parentNode, node);
			}
		} else

		{
			throw new IllegalArgumentException();
		}
	}
}

Example 3

Source File: TreeModelCompactor.java From jpmml-xgboost with GNU Affero General Public License v3.0

5 votes

@Override
public void exitNode(Node node){
	Predicate predicate = node.getPredicate();

	if(predicate instanceof True){
		Node parentNode = getParentNode();

		if(parentNode == null){
			return;
		}

		initScore(parentNode, node);
		replaceChildWithGrandchildren(parentNode, node);
	}
}

Example 4

Source File: TreeModelCompactor.java From jpmml-sklearn with GNU Affero General Public License v3.0

5 votes

@Override
public void exitNode(Node node){
	Predicate predicate = node.getPredicate();

	if(predicate instanceof True){
		Node parentNode = getParentNode();

		if(parentNode == null){
			return;
		}

		if((MiningFunction.REGRESSION).equals(this.miningFunction)){
			parentNode.setScore(null);

			initScore(parentNode, node);
			replaceChildWithGrandchildren(parentNode, node);
		} else

		if((MiningFunction.CLASSIFICATION).equals(this.miningFunction)){

			// Replace intermediate nodes, but not terminal nodes
			if(node.hasNodes()){
				replaceChildWithGrandchildren(parentNode, node);
			}
		} else

		{
			throw new IllegalArgumentException();
		}
	}
}

Example 5

Source File: TreeModelFlattener.java From jpmml-sklearn with GNU Affero General Public License v3.0

5 votes

@Override
public void exitNode(Node node){
	Predicate predicate = node.getPredicate();

	if(predicate instanceof True){
		Node parentNode = getParentNode();

		if(parentNode == null){
			return;
		}

		List<Node> parentChildren = parentNode.getNodes();
		if(parentChildren.size() != 1){
			return;
		}

		boolean success = parentChildren.remove(node);
		if(!success){
			throw new IllegalArgumentException();
		} // End if

		if((MiningFunction.REGRESSION).equals(this.miningFunction)){
			parentNode.setScore(null);

			initScore(parentNode, node);
		} else

		if((MiningFunction.CLASSIFICATION).equals(this.miningFunction)){
			initScoreDistribution(parentNode, node);
		} else

		{
			throw new IllegalArgumentException();
		}
	}
}

Example 6

Source File: TreeModelFlattener.java From jpmml-sklearn with GNU Affero General Public License v3.0

5 votes

static
private Iterator<Node> getChildren(Node node){
	Predicate predicate = node.getPredicate();

	if(!(predicate instanceof SimplePredicate)){
		return null;
	}

	SimplePredicate simplePredicate = (SimplePredicate)predicate;

	if(!hasOperator(simplePredicate, SimplePredicate.Operator.LESS_OR_EQUAL)){
		return null;
	} // End if

	if(node.hasNodes()){
		List<Node> children = node.getNodes();

		int endPos = 0;

		for(Node child : children){
			Predicate childPredicate = child.getPredicate();

			if(!hasFieldReference(childPredicate, simplePredicate.getField()) || !hasOperator(childPredicate, simplePredicate.getOperator())){
				break;
			}

			endPos++;
		}

		if(endPos > 0){
			return (children.subList(0, endPos)).iterator();
		}

		return null;
	}

	return null;
}

Example 7

Source File: RandomForestCompactor.java From jpmml-r with GNU Affero General Public License v3.0

5 votes

@Override
public void exitNode(Node node){
	Predicate predicate = node.getPredicate();

	if(predicate instanceof True){
		Node parentNode = getParentNode();

		if(parentNode == null){
			return;
		}

		initScore(parentNode, node);
		replaceChildWithGrandchildren(parentNode, node);
	}
}

Example 8

Source File: TreeModelCompactor.java From jpmml-sparkml with GNU Affero General Public License v3.0

4 votes

@Override
public void enterNode(Node node){
	Object id = node.getId();
	Object score = node.getScore();

	if(id != null){
		throw new IllegalArgumentException();
	} // End if

	if(node.hasNodes()){
		List<Node> children = node.getNodes();

		if(children.size() != 2 || score != null){
			throw new IllegalArgumentException();
		}

		Node firstChild = children.get(0);
		Node secondChild = children.get(1);

		Predicate firstPredicate = firstChild.getPredicate();
		Predicate secondPredicate = secondChild.getPredicate();

		checkFieldReference(firstPredicate, secondPredicate);

		boolean update = true;

		if(hasOperator(firstPredicate, SimplePredicate.Operator.EQUAL) && hasOperator(secondPredicate, SimplePredicate.Operator.EQUAL)){
			update = isCategoricalField((SimplePredicate)firstPredicate);
		} else

		if(hasOperator(firstPredicate, SimplePredicate.Operator.NOT_EQUAL) && hasOperator(secondPredicate, SimplePredicate.Operator.EQUAL)){
			children = swapChildren(node);

			firstChild = children.get(0);
			secondChild = children.get(1);
		} else

		if(hasOperator(firstPredicate, SimplePredicate.Operator.EQUAL) && hasOperator(secondPredicate, SimplePredicate.Operator.NOT_EQUAL)){
			// Ignored
		} else

		if(hasOperator(firstPredicate, SimplePredicate.Operator.LESS_OR_EQUAL) && hasOperator(secondPredicate, SimplePredicate.Operator.GREATER_THAN)){
			// Ignored
		} else

		if(hasOperator(firstPredicate, SimplePredicate.Operator.EQUAL) && hasBooleanOperator(secondPredicate, SimpleSetPredicate.BooleanOperator.IS_IN)){
			addCategoricalField(secondChild);
		} else

		if(hasBooleanOperator(firstPredicate, SimpleSetPredicate.BooleanOperator.IS_IN) && hasOperator(secondPredicate, SimplePredicate.Operator.EQUAL)){
			children = swapChildren(node);

			firstChild = children.get(0);
			secondChild = children.get(1);

			addCategoricalField(secondChild);
		} else

		if(hasBooleanOperator(firstPredicate, SimpleSetPredicate.BooleanOperator.IS_IN) && hasBooleanOperator(secondPredicate, SimpleSetPredicate.BooleanOperator.IS_IN)){
			addCategoricalField(secondChild);
		} else

		{
			throw new IllegalArgumentException();
		} // End if

		if(update){
			secondChild.setPredicate(True.INSTANCE);
		}
	} else

	{
		if(score == null){
			throw new IllegalArgumentException();
		}
	}
}

Example 9

Source File: TreeModelCompactor.java From jpmml-sklearn with GNU Affero General Public License v3.0

4 votes

@Override
public void enterNode(Node node){
	Object id = node.getId();
	Object score = node.getScore();

	if(id == null){
		throw new IllegalArgumentException();
	} // End if

	if(node.hasNodes()){
		List<Node> children = node.getNodes();

		if(children.size() != 2){
			throw new IllegalArgumentException();
		}

		Node firstChild = children.get(0);
		Node secondChild = children.get(1);

		Predicate firstPredicate = firstChild.getPredicate();
		Predicate secondPredicate = secondChild.getPredicate();

		checkFieldReference(firstPredicate, secondPredicate);
		checkValue(firstPredicate, secondPredicate);

		if(hasOperator(firstPredicate, SimplePredicate.Operator.NOT_EQUAL) && hasOperator(secondPredicate, SimplePredicate.Operator.EQUAL)){
			children = swapChildren(node);

			firstChild = children.get(0);
			secondChild = children.get(1);
		} else

		if(hasOperator(firstPredicate, SimplePredicate.Operator.LESS_OR_EQUAL) && hasOperator(secondPredicate, SimplePredicate.Operator.GREATER_THAN)){
			// Ignored
		} else

		{
			throw new IllegalArgumentException();
		}

		secondChild.setPredicate(True.INSTANCE);
	} else

	{
		if(score == null){
			throw new IllegalArgumentException();
		}
	}

	node.setId(null);
}

Example 10

Source File: RandomForestCompactor.java From jpmml-r with GNU Affero General Public License v3.0

4 votes

@Override
public void enterNode(Node node){
	Object id = node.getId();
	Object score = node.getScore();

	if(id == null){
		throw new IllegalArgumentException();
	} // End if

	if(node.hasNodes()){
		List<Node> children = node.getNodes();

		if(children.size() != 2 || score != null){
			throw new IllegalArgumentException();
		}

		Node firstChild = children.get(0);
		Node secondChild = children.get(1);

		Predicate firstPredicate = firstChild.getPredicate();
		Predicate secondPredicate = secondChild.getPredicate();

		checkFieldReference(firstPredicate, secondPredicate);

		boolean update = isDefinedField((HasFieldReference<?>)firstPredicate);

		if(hasOperator(firstPredicate, SimplePredicate.Operator.EQUAL) && hasOperator(secondPredicate, SimplePredicate.Operator.EQUAL)){
			// Ignored
		} else

		if(hasOperator(firstPredicate, SimplePredicate.Operator.LESS_OR_EQUAL) && hasOperator(secondPredicate, SimplePredicate.Operator.GREATER_THAN)){
			update = true;
		} else

		if(hasOperator(firstPredicate, SimplePredicate.Operator.EQUAL) && hasBooleanOperator(secondPredicate, SimpleSetPredicate.BooleanOperator.IS_IN)){
			// Ignored
		} else

		if(hasBooleanOperator(firstPredicate, SimpleSetPredicate.BooleanOperator.IS_IN) && hasOperator(secondPredicate, SimplePredicate.Operator.EQUAL)){

			if(update){
				children = swapChildren(node);

				firstChild = children.get(0);
				secondChild = children.get(1);
			}
		} else

		if(hasBooleanOperator(firstPredicate, SimpleSetPredicate.BooleanOperator.IS_IN) && hasBooleanOperator(secondPredicate, SimpleSetPredicate.BooleanOperator.IS_IN)){
			// Ignored
		} else

		{
			throw new IllegalArgumentException();
		} // End if

		if(update){
			secondChild.setPredicate(True.INSTANCE);
		}
	} else

	{
		if(score == null){
			throw new IllegalArgumentException();
		}
	}

	node.setId(null);
}

Example 11

Source File: ObjectMapperTest.java From jpmml-model with BSD 3-Clause "New" or "Revised" License

2 votes

@Test
public void jsonClone() throws Exception {
	DataField dataField = new DataField(FieldName.create("x"), OpType.CATEGORICAL, DataType.BOOLEAN);

	DataDictionary dataDictionary = new DataDictionary()
		.addDataFields(dataField);

	MiningField miningField = new MiningField(FieldName.create("x"));

	MiningSchema miningSchema = new MiningSchema()
		.addMiningFields(miningField);

	assertSame(dataField.getName(), miningField.getName());

	SimplePredicate simplePredicate = new SimplePredicate(FieldName.create("x"), SimplePredicate.Operator.IS_NOT_MISSING, null);

	Node node = new ComplexNode(simplePredicate);

	TreeModel treeModel = new TreeModel()
		.setMiningSchema(miningSchema)
		.setNode(node);

	PMML pmml = new PMML()
		.setDataDictionary(dataDictionary)
		.addModels(treeModel);

	DirectByteArrayOutputStream buffer = new DirectByteArrayOutputStream(1024);

	JacksonUtil.writePMML(pmml, buffer);

	PMML jsonPmml;

	try(InputStream is = buffer.getInputStream()){
		jsonPmml = JacksonUtil.readPMML(is);
	}

	DataDictionary jsonDataDictionary = jsonPmml.getDataDictionary();

	List<DataField> jsonDataFields = jsonDataDictionary.getDataFields();

	assertEquals(1, jsonDataFields.size());

	DataField jsonDataField = jsonDataFields.get(0);

	assertEquals(dataField.getName(), jsonDataField.getName());
	assertEquals(dataField.getOpType(), jsonDataField.getOpType());
	assertEquals(dataField.getDataType(), jsonDataField.getDataType());

	List<Model> jsonModels = jsonPmml.getModels();

	assertEquals(1, jsonModels.size());

	TreeModel jsonTreeModel = (TreeModel)jsonModels.get(0);

	MiningSchema jsonMiningSchema = jsonTreeModel.getMiningSchema();

	List<MiningField> jsonMiningFields = jsonMiningSchema.getMiningFields();

	assertEquals(1, jsonMiningFields.size());

	MiningField jsonMiningField = jsonMiningFields.get(0);

	assertEquals(miningField.getName(), jsonMiningField.getName());
	assertEquals(miningField.getUsageType(), jsonMiningField.getUsageType());

	assertSame(jsonDataField.getName(), jsonMiningField.getName());

	Node jsonNode = jsonTreeModel.getNode();

	SimplePredicate jsonSimplePredicate = (SimplePredicate)jsonNode.getPredicate();

	assertEquals(simplePredicate.getField(), jsonSimplePredicate.getField());
	assertEquals(simplePredicate.getOperator(), jsonSimplePredicate.getOperator());

	assertSame(jsonDataField.getName(), jsonSimplePredicate.getField());
	assertSame(jsonMiningField.getName(), jsonSimplePredicate.getField());
}