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package org.onap.sdc.dcae.composition.restmodels.ruleeditor;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import org.apache.commons.lang3.StringUtils;
import java.util.*;
import java.util.stream.Collectors;
public class Rule {
private String version;
private String eventType;
private String description;
private String uid;
private String phase = "phase_1"; //placeholder
private BaseCondition condition;
private List<BaseAction> actions;
private static Gson gson = new GsonBuilder().serializeNulls().create();
public String getVersion() {
return version;
}
public void setVersion(String version) {
this.version = version;
}
public String getEventType() {
return eventType;
}
public void setEventType(String eventType) {
this.eventType = eventType;
}
public String getUid() {
return uid;
}
public void setUid(String uid) {
this.uid = uid;
}
public String getPhase() {
return phase;
}
public void setPhase(String phase) {
this.phase = phase;
}
public List<BaseAction> getActions() {
return actions;
}
public void setActions(List<BaseAction> actions) {
this.actions = actions;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public BaseCondition getCondition() {
return condition;
}
public void setCondition(BaseCondition condition) {
this.condition = condition;
}
public void generateUid() {
if(StringUtils.isBlank(uid))
uid = UUID.randomUUID().toString();
}
public String toJson() {
return gson.toJson(this);
}
@Override
public boolean equals(Object obj) {
if (obj == this)
return true;
if (null == obj || getClass() != obj.getClass())
return false;
Rule other = (Rule) obj;
return Objects.equals(version, other.version) &&
Objects.equals(description, other.description) &&
Objects.equals(eventType, other.eventType) &&
Objects.equals(uid, other.uid) &&
Objects.equals(phase, other.phase) &&
Objects.equals(condition, other.condition) &&
Objects.equals(actions, other.actions);
}
@Override
public int hashCode(){
return Objects.hash(this.version,this.description,this.eventType,this.uid,this.phase,this.condition,this.actions);
}
public boolean referencesOtherRule(Rule other){
return other != this && actions.stream().anyMatch(p -> p.hasDependencies(other.actions)) ||
isConditionalRule() && other.actions.stream().map(BaseAction::strippedTarget).anyMatch(t -> condition.referencesTarget(t));
}
private List<BaseAction> findDependencies(Rule other) {
return other.actions.stream()
.filter(p -> actions.stream().anyMatch(a -> a.referencesTarget(p)) || isConditionalRule() && condition.referencesTarget(p.strippedTarget()))
.collect(Collectors.toList());
}
public List<BaseAction> findDependencies(List<Rule> others) {
return others.stream()
.filter(r -> r != this)
.map(this::findDependencies)
.flatMap(List::stream)
.collect(Collectors.toList());
}
public boolean referencesOtherRules(Collection<Rule> allRules) {
return allRules.stream().anyMatch(this::referencesOtherRule);
}
public boolean isConditionalRule() {
return null != condition;
}
}
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