github-actions[bot] opened a new issue, #434:
URL: https://github.com/apache/incubator-wayang/issues/434

   Add more estimator mixins
   
   
https://github.com/apache/incubator-wayang/blob/b67b404ed7cc3349991844ab6b7b5c4af29c2574/wayang-api/wayang-api-scala-java/src/main/scala/org/apache/wayang/api/serialization/mixins/EstimatorMixIns.scala#L115
   
   ```scala
   
   /*
    * 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.api.serialization.mixins
   
   import com.fasterxml.jackson.annotation.{JsonCreator, JsonProperty, 
JsonSubTypes, JsonTypeInfo, JsonTypeName}
   import org.apache.wayang.core.api.Configuration
   import org.apache.wayang.core.function.FunctionDescriptor
   import 
org.apache.wayang.core.function.FunctionDescriptor.SerializableToDoubleBiFunction
   import 
org.apache.wayang.core.optimizer.cardinality.{AggregatingCardinalityEstimator, 
CardinalityEstimate, DefaultCardinalityEstimator, FallbackCardinalityEstimator, 
FixedSizeCardinalityEstimator, SwitchForwardCardinalityEstimator}
   import org.apache.wayang.core.optimizer.costs.{ConstantLoadProfileEstimator, 
DefaultEstimatableCost, DefaultLoadEstimator, IntervalLoadEstimator, 
LoadEstimator, NestableLoadProfileEstimator}
   
   object EstimatorMixIns {
   
   
     @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = 
JsonTypeInfo.As.PROPERTY, property = "@type")
     @JsonSubTypes(Array(
       new JsonSubTypes.Type(value = classOf[DefaultLoadEstimator], name = 
"DefaultLoadEstimator"),
       new JsonSubTypes.Type(value = classOf[IntervalLoadEstimator], name = 
"IntervalLoadEstimator"),
     ))
     abstract class LoadEstimatorMixIn {
     }
   
     abstract class DefaultLoadEstimatorMixIn {
       @JsonCreator
       def this(@JsonProperty("numInputs") numInputs: Int,
                @JsonProperty("numOutputs") numOutputs: Int,
                @JsonProperty("correctnessProbability") correctnessProbability: 
Double,
                @JsonProperty("nullCardinalityReplacement") 
nullCardinalityReplacement: CardinalityEstimate,
                @JsonProperty("singlePointFunction") singlePointFunction: 
LoadEstimator.SinglePointEstimationFunction) = {
         this()
       }
     }
   
     abstract class CardinalityEstimateMixIn {
       @JsonCreator
       def this(@JsonProperty("lowerEstimate") lowerEstimate: Long,
                @JsonProperty("upperEstimate") upperEstimate: Long,
                @JsonProperty("correctnessProb") correctnessProb: Double,
                @JsonProperty("isOverride") isOverride: Boolean) = {
         this()
       }
     }
   
   
     abstract class ProbabilisticDoubleIntervalMixIn {
       @JsonCreator
       def this(@JsonProperty("lowerEstimate") lowerEstimate: Double,
                @JsonProperty("upperEstimate") upperEstimate: Double,
                @JsonProperty("correctnessProb") correctnessProb: Double,
                @JsonProperty("isOverride") isOverride: Boolean) = {
         this()
       }
     }
   
     @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = 
JsonTypeInfo.As.PROPERTY, property = "@type")
     @JsonSubTypes(Array(
       new JsonSubTypes.Type(value = classOf[ConstantLoadProfileEstimator], 
name = "ConstantLoadProfileEstimator"),
       new JsonSubTypes.Type(value = classOf[NestableLoadProfileEstimator], 
name = "NestableLoadProfileEstimator"),
     ))
     abstract class LoadProfileEstimatorMixIn {
     }
   
     @JsonTypeName("nestableLoadProfileEstimator")
     abstract class NestableLoadProfileEstimatorMixIn {
       @JsonCreator
       def this (@JsonProperty("cpuLoadEstimator") cpuLoadEstimator : 
LoadEstimator,
                 @JsonProperty("ramLoadEstimator") ramLoadEstimator: 
LoadEstimator,
                 @JsonProperty("diskLoadEstimator") diskLoadEstimator: 
LoadEstimator,
                 @JsonProperty("networkLoadEstimator") networkLoadEstimator: 
LoadEstimator,
                 @JsonProperty("resourceUtilizationEstimator") 
resourceUtilizationEstimator: SerializableToDoubleBiFunction[Array[Long], 
Array[Long]],
                 @JsonProperty("overheadMillis") overheadMillis: Long,
                 @JsonProperty("configurationKey") configurationKey: String
                ) = {
         this()
       }
     }
   
     @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = 
JsonTypeInfo.As.PROPERTY, property = "@type")
     @JsonSubTypes(Array(
       new JsonSubTypes.Type(value = classOf[AggregatingCardinalityEstimator], 
name = "AggregatingCardinalityEstimator"),
       new JsonSubTypes.Type(value = classOf[DefaultCardinalityEstimator], name 
= "DefaultCardinalityEstimator"),
       new JsonSubTypes.Type(value = classOf[FallbackCardinalityEstimator], 
name = "FallbackCardinalityEstimator"),
       new JsonSubTypes.Type(value = classOf[FixedSizeCardinalityEstimator], 
name = "FixedSizeCardinalityEstimator"),
       new JsonSubTypes.Type(value = 
classOf[SwitchForwardCardinalityEstimator], name = 
"SwitchForwardCardinalityEstimator"),
     ))
     abstract class CardinalityEstimatorMixIn {
     }
   
     abstract class DefaultCardinalityEstimatorMixIn {
       @JsonCreator
       def this(@JsonProperty("certaintyProb") certaintyProb: Double,
                @JsonProperty("numInputs") numInputs: Int,
                @JsonProperty("isAllowMoreInputs") isAllowMoreInputs: Boolean,
                @JsonProperty("singlePointEstimator") singlePointEstimator: 
FunctionDescriptor.SerializableToLongBiFunction[Array[Long], Configuration]) = {
         this()
       }
     }
   
     // TODO: Add more estimator mixins
   
     @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = 
JsonTypeInfo.As.PROPERTY, property = "@type")
     @JsonSubTypes(Array(
       new JsonSubTypes.Type(value = classOf[DefaultEstimatableCost], name = 
"DefaultEstimatableCost"),
     ))
     abstract class EstimatableCostMixIn {
     }
   
   }
   
   ```
   
   1437c126d1770530f7402862f101b2128fd92629


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