Java tutorial
/******************************************************************************* * Copyright 2016 Intuit * * Licensed 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 com.intuit.wasabi.analyticsobjects.statistics; import com.fasterxml.jackson.annotation.JsonIgnore; import com.intuit.wasabi.exceptions.AnalyticsException; import com.intuit.wasabi.experimentobjects.Bucket; import io.swagger.annotations.ApiModelProperty; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; import org.apache.commons.lang3.builder.ToStringBuilder; import org.apache.commons.lang3.builder.ToStringStyle; import java.util.ArrayList; import java.util.List; /** * DTO to save the progress of a bucket or an action. <br> * * Fields: * <ul> * <li>list of winners</li> * <li>list of losers</li> * <li>boolean to indicate if sufficient data has been collected</li> * <li>double to indicate the fraction of data collected so far</li> * </ul> */ public class Progress implements Cloneable { @ApiModelProperty(value = "list of winning buckets", required = true) //todo: this should really be a set protected List<Bucket.Label> winnersSoFar; @ApiModelProperty(value = "list of losing buckets", required = true) //todo: this should really be a set protected List<Bucket.Label> losersSoFar; @ApiModelProperty(value = "if sufficient data has been collected to observe the effect size of interest", required = true) protected boolean hasSufficientData; @ApiModelProperty(value = "fraction of data that has been collected to observe the effect size of interest", required = true) protected Double fractionDataCollected; public List<Bucket.Label> getWinnersSoFar() { return winnersSoFar; } public void setWinnersSoFar(List<Bucket.Label> value) { this.winnersSoFar = value; } public List<Bucket.Label> getLosersSoFar() { return losersSoFar; } public void setLosersSoFar(List<Bucket.Label> value) { this.losersSoFar = value; } public boolean isHasSufficientData() { return hasSufficientData; } public void setHasSufficientData(boolean value) { this.hasSufficientData = value; } public Double getFractionDataCollected() { return fractionDataCollected; } public void setFractionDataCollected(Double value) { this.fractionDataCollected = value; } @JsonIgnore public void addToWinnersSoFarList(Bucket.Label winner) { if (this.winnersSoFar == null) { this.winnersSoFar = new ArrayList<>(); } else if (winner == null) { throw new IllegalArgumentException(); } else { this.winnersSoFar.add(winner); } } @JsonIgnore public void addToLosersSoFarList(Bucket.Label loser) { if (this.losersSoFar == null) { this.losersSoFar = new ArrayList<>(); } else if (loser == null) { throw new IllegalArgumentException(); } else { this.losersSoFar.add(loser); } } @Override public String toString() { return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE); } @Override public int hashCode() { return HashCodeBuilder.reflectionHashCode(this); } @Override public boolean equals(Object obj) { return EqualsBuilder.reflectionEquals(this, obj); } @Override public Progress clone() { try { return (Progress) super.clone(); } catch (CloneNotSupportedException e) { // Should never happen throw new AnalyticsException("Progress clone not supported: " + e.getMessage(), e); } } public static class Builder { private Progress item; public Builder() { this.item = new Progress(); } public Builder withWinnersSoFar(List<Bucket.Label> value) { this.item.winnersSoFar = value; return this; } public Builder withLosersSoFar(List<Bucket.Label> value) { this.item.losersSoFar = value; return this; } public Builder withSufficientData(boolean value) { this.item.hasSufficientData = value; return this; } public Builder withFractionDataCollected(Double value) { this.item.fractionDataCollected = value; return this; } public Progress build() { return this.item; } } }