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package org.onap.sdc.dcae.rule.editor.translators;
import com.google.gson.Gson;
import org.onap.sdc.common.onaplog.Enums.LogLevel;
import org.onap.sdc.dcae.composition.restmodels.ruleeditor.*;
import org.onap.sdc.dcae.rule.editor.enums.OperatorTypeEnum;
import org.onap.sdc.dcae.rule.editor.enums.RuleEditorElementType;
import org.onap.sdc.dcae.rule.editor.utils.ValidationUtils;
public class RuleTranslator implements IRuleElementTranslator<Rule> {
private static RuleTranslator ruleTranslator = new RuleTranslator();
public static RuleTranslator getInstance() {
return ruleTranslator;
}
private RuleTranslator() {
}
private class ActionRuleTranslation extends RuleTranslation {
private ActionRuleTranslation(Rule rule) {
phase = rule.getPhase();
filter = rule.isConditionalRule() ? getConditionTranslator(rule.getCondition()).translateToHpJson(rule.getCondition()) : null;
boolean asNewProcessor = true;
for (BaseAction action : rule.getActions()) {
// consecutive copy actions are aggregated into a single processor
asNewProcessor = getActionTranslator(action).addToHpJsonProcessors(action, processors, asNewProcessor);
}
}
}
private class EntryPhaseTranslation extends RuleTranslation {
private EntryPhaseTranslation(String phaseName, String runPhase) {
phase = phaseName;
processors.add(new RunPhaseProcessorsTranslation(runPhase));
}
private EntryPhaseTranslation(String phaseName, String runPhase, BaseCondition entryPhaseFilter) {
this(phaseName, runPhase);
if("snmp_map".equals(phaseName)) {
processors.add(0, new SnmpConvertor());
}
if(null != entryPhaseFilter) {
filter = getConditionTranslator(entryPhaseFilter).translateToHpJson(entryPhaseFilter);
}
}
}
// hardcoded SNMP processor
private class SnmpConvertor extends ProcessorTranslation {
private String array = "varbinds";
private String datacolumn = "varbind_value";
private String keycolumn = "varbind_oid";
private SnmpConvertor() {
clazz = "SnmpConvertor";
}
}
public Object translateToHpJson(Rule rule) {
debugLogger.log(LogLevel.DEBUG, this.getClass().getName(), "Start translating rule {}", rule.getUid());
Object translation = new ActionRuleTranslation(rule);
debugLogger.log(LogLevel.DEBUG, this.getClass().getName(), "Finished translation for rule {}. Result: {}", rule.getUid(), new Gson().toJson(translation));
return translation;
}
public Object entryPhaseTranslation(String entryPhase, String runPhase, BaseCondition entryPhaseFilter) {
debugLogger.log(LogLevel.DEBUG, this.getClass().getName(), "Start translating entry phase {}", entryPhase);
Object translation = new EntryPhaseTranslation(entryPhase, runPhase, entryPhaseFilter);
debugLogger.log(LogLevel.DEBUG, this.getClass().getName(), "Finished translation for entry phase {}. Result: {}", entryPhase, new Gson().toJson(translation));
return translation;
}
private IRuleElementTranslator getConditionTranslator(BaseCondition condition){
return condition instanceof ConditionGroup ? ConditionGroupTranslator.getInstance() :
getSimpleConditionTranslator((Condition) condition);
}
private IRuleElementTranslator getSimpleConditionTranslator(Condition condition) {
String conditionType = OperatorTypeEnum.getTypeByName(condition.getOperator()).getConditionType();
return RuleEditorElementType.getElementTypeByName(conditionType).getTranslator();
}
private ActionTranslator getActionTranslator(BaseAction action) {
ActionTypeEnum type = ActionTypeEnum.getTypeByName(action.getActionType());
if(ActionTypeEnum.COPY == type && ValidationUtils.validateNotEmpty(((BaseCopyAction)action).regexValue())) {
return RegexActionTranslator.getInstance();
}
return (ActionTranslator) RuleEditorElementType.getElementTypeByName(type.getType()).getTranslator();
}
}
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