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Posted to commits@wayang.apache.org by "github-actions[bot] (via GitHub)" <gi...@apache.org> on 2026/06/29 07:51:40 UTC
[I] convert to config [wayang]
github-actions[bot] opened a new issue, #776:
URL: https://github.com/apache/wayang/issues/776
convert to config
https://github.com/apache/wayang/blob/560fcfc56ec251ca0bbf61b3a7279d57bf71ea62/wayang-plugins/wayang-ml/src/main/java/org/apache/wayang/ml/encoding/TreeEncoder.java#L61
```java
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.wayang.ml.encoding;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Queue;
import org.apache.wayang.core.api.exception.WayangException;
import org.apache.wayang.core.optimizer.OptimizationContext;
import org.apache.wayang.core.optimizer.enumeration.PlanImplementation;
import org.apache.wayang.core.plan.executionplan.ExecutionTask;
import org.apache.wayang.core.plan.wayangplan.ExecutionOperator;
import org.apache.wayang.core.plan.wayangplan.InputSlot;
import org.apache.wayang.core.plan.wayangplan.Operator;
import org.apache.wayang.core.plan.wayangplan.OperatorAlternative;
import org.apache.wayang.core.plan.wayangplan.OutputSlot;
import org.apache.wayang.core.plan.wayangplan.WayangPlan;
import org.apache.wayang.core.platform.Junction;
public class TreeEncoder {
private final OneHotMappings mappings;
public TreeEncoder(final OneHotMappings mappings) {
this.mappings = mappings;
}
public OneHotMappings getMappings() {
return this.mappings;
}
public TreeNode encode(final PlanImplementation plan) {
final List<TreeNode> result = new ArrayList<TreeNode>();
final HashMap<Operator, Collection<Operator>> tree = new HashMap<>();
final List<ExecutionOperator> sinks = plan.getOperators().stream().filter(Operator::isSink).toList();
final Map<OutputSlot<?>, Junction> junctions = plan.getJunctions();
// TODO: convert to config
final boolean encodeIds = false;
for (final Operator sink : sinks) {
final TreeNode sinkNode = traversePIOperator(sink, plan.getOptimizationContext(), encodeIds, junctions,
tree);
result.add(sinkNode);
}
if (result.size() == 0) {
return null;
}
final TreeNode resultNode = result.get(0);
resultNode.rebalance();
return resultNode;
}
public TreeNode encode(final WayangPlan plan, final OptimizationContext optimizationContext,
final boolean encodeIds) {
final List<TreeNode> result = new ArrayList<TreeNode>();
plan.prune();
final HashMap<Operator, Collection<Operator>> tree = new HashMap<>();
final Collection<Operator> sinks = plan.getSinks();
for (final Operator sink : sinks) {
final TreeNode sinkNode = traverse(sink, tree, optimizationContext, encodeIds);
result.add(sinkNode);
}
if (result.size() == 0) {
return null;
}
assert result.size() == 1 : "result size was not 1";
final TreeNode resultNode = result.get(0);
// rebalance to make it a guaranteed binary tree
resultNode.rebalance();
return resultNode;
}
private TreeNode traversePIOperator(final Operator current, final OptimizationContext optimizationContext,
final boolean encodeIds, final Map<OutputSlot<?>, Junction> junctions,
final HashMap<Operator, Collection<Operator>> visited) {
if (visited.containsKey(current)) {
return null;
}
final TreeNode currentNode = new TreeNode();
if (current.isAlternative()) {
final Operator original = ((OperatorAlternative) current).getAlternatives().get(0).getContainedOperators()
.stream().findFirst()
.orElseThrow(() -> new WayangException("Operator could not be retrieved from Alternatives"));
mappings.addOriginalOperator(original);
currentNode.encoded = OneHotEncoder.encodeOperator(original, optimizationContext, encodeIds);
} else {
mappings.addOriginalOperator(current);
if (current.isExecutionOperator()) {
currentNode.encoded = OneHotEncoder.encodeOperator((ExecutionOperator) current, optimizationContext,
encodeIds);
} else {
currentNode.encoded = OneHotEncoder.encodeOperator(current, optimizationContext, encodeIds);
}
}
final Collection<Junction> currentJunctions = junctions.values().stream().filter(junction -> {
for (final InputSlot<?> input : current.getAllInputs()) {
if (junction.getTargetInputs().contains(input)) {
return true;
}
}
return false;
}).toList();
final Collection<ExecutionOperator> inputs = currentJunctions.stream().map(Junction::getSourceOperator)
.toList();
for (final Operator input : inputs) {
TreeNode next;
final Collection<ExecutionTask> conversions = currentJunctions.stream()
.filter(junction -> junction.getSourceOperator() == input)
.flatMap(junction -> junction.getConversionTasks().stream()).toList();
// fit conversions in between current and its inputs
if (conversions.size() > 0) {
final Queue<ExecutionTask> conversionQueue = new LinkedList<>();
conversionQueue.addAll(conversions);
next = traverseWithNext(conversionQueue, junctions, visited, input, optimizationContext, encodeIds);
} else {
next = traversePIOperator(input, optimizationContext, encodeIds, junctions, visited);
}
if (currentNode.left == null) {
currentNode.left = next;
} else {
currentNode.right = next;
}
}
return currentNode;
}
private TreeNode traverseWithNext(final Queue<ExecutionTask> conversions,
final Map<OutputSlot<?>, Junction> junctions, final HashMap<Operator, Collection<Operator>> visited,
final Operator next, final OptimizationContext optimizationContext, final boolean encodeIds) {
if (visited.containsKey(next)) {
return null;
}
if (conversions.isEmpty()) {
return traversePIOperator(next, optimizationContext, encodeIds, junctions, visited);
}
final ExecutionTask currentTask = conversions.poll();
final ExecutionOperator current = currentTask.getOperator();
final TreeNode currentNode = new TreeNode();
if (current.isAlternative()) {
final Operator original = ((OperatorAlternative) current).getAlternatives().get(0).getContainedOperators()
.stream().findFirst()
.orElseThrow(() -> new WayangException("Operator could not be retrieved from Alternatives"));
mappings.addOriginalOperator(original);
currentNode.encoded = OneHotEncoder.encodeOperator(original, optimizationContext, encodeIds);
currentNode.operator = original;
} else {
mappings.addOriginalOperator(current);
currentNode.operator = current;
if (current.isExecutionOperator()) {
currentNode.encoded = OneHotEncoder.encodeOperator((ExecutionOperator) current, optimizationContext,
encodeIds);
} else {
currentNode.encoded = OneHotEncoder.encodeOperator(current, optimizationContext, encodeIds);
}
}
final TreeNode nextNode = traverseWithNext(conversions, junctions, visited, next, optimizationContext,
encodeIds);
if (currentNode.left == null) {
currentNode.left = nextNode;
} else {
currentNode.right = nextNode;
}
return currentNode;
}
private TreeNode traverse(final Operator current, final HashMap<Operator, Collection<Operator>> visited,
final OptimizationContext optimizationContext, final boolean encodeIds) {
if (visited.containsKey(current)) {
return null;
}
final TreeNode currentNode = new TreeNode();
if (current.isAlternative()) {
final Operator original = ((OperatorAlternative) current).getAlternatives().get(0).getContainedOperators()
.stream().findFirst()
.orElseThrow(() -> new WayangException("Operator could not be retrieved from Alternatives"));
mappings.addOriginalOperator(original);
currentNode.encoded = OneHotEncoder.encodeOperator(original, optimizationContext, encodeIds);
currentNode.operator = original;
} else {
mappings.addOriginalOperator(current);
currentNode.operator = current;
if (current.isExecutionOperator()) {
currentNode.encoded = OneHotEncoder.encodeOperator((ExecutionOperator) current, optimizationContext,
encodeIds);
} else {
currentNode.encoded = OneHotEncoder.encodeOperator(current, optimizationContext, encodeIds);
}
}
// Add for later reconstruction in TreeDecoder
final List<Operator> inputs = Arrays.stream(current.getAllInputs()).filter(input -> input.getOccupant() != null)
.map(input -> input.getOccupant().getOwner()).toList();
for (final Operator input : inputs) {
final TreeNode next = traverse(input, visited, optimizationContext, encodeIds);
if (currentNode.getLeft() == null) {
currentNode.left = next;
} else {
currentNode.right = next;
}
}
return currentNode;
}
}
```
6249cbd2314c64aaf320b1b14c80b51013289b9c
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Re: [I] convert to config [wayang]
Posted by "novatechflow (via GitHub)" <gi...@apache.org>.
novatechflow closed issue #776: convert to config
URL: https://github.com/apache/wayang/issues/776
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Re: [I] convert to config [wayang]
Posted by "AliRana30 (via GitHub)" <gi...@apache.org>.
AliRana30 commented on issue #776:
URL: https://github.com/apache/wayang/issues/776#issuecomment-5516241686
@novatechflow are the issues opened by github-actions should be fixed by contributors?
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