first commit

2023-05-19 00:42:48 +08:00
commit 53de9c6c51
243 changed files with 39485 additions and 0 deletions
@@ -0,0 +1,75 @@
+'use strict';
+
+var util = require('util');
+var QueryBase = require('./query_base');
+var Query = require('./query');
+var Fallback = require('./fallback');
+var jobStatus = require('../../job_status');
+
+function QueryFallback(job, index) {
+    QueryBase.call(this, index);
+
+    this.init(job, index);
+}
+
+util.inherits(QueryFallback, QueryBase);
+
+QueryFallback.is = function (query) {
+    if (Query.is(query)) {
+        return true;
+    }
+    return false;
+};
+
+QueryFallback.prototype.init = function (job, index) {
+    this.query = new Query(index);
+
+    if (Fallback.is(job.query.query[index])) {
+        this.fallback = new Fallback(index);
+    }
+};
+
+QueryFallback.prototype.getNextQuery = function (job) {
+    if (this.query.hasNextQuery(job)) {
+        return this.query.getNextQuery(job);
+    }
+
+    if (this.fallback && this.fallback.hasNextQuery(job)) {
+        return this.fallback.getNextQuery(job);
+    }
+};
+
+QueryFallback.prototype.setStatus = function (status, job, previous, errorMesssage) {
+    // jshint maxcomplexity: 9
+    var isValid = false;
+    var appliedToFallback = false;
+
+    if (previous.isValid && !previous.appliedToFallback) {
+        if (status === jobStatus.FAILED || status === jobStatus.CANCELLED) {
+            this.query.setStatus(jobStatus.SKIPPED, job, errorMesssage);
+
+            if (this.fallback) {
+                this.fallback.setStatus(jobStatus.SKIPPED, job);
+            }
+        }
+    } else if (!previous.isValid) {
+        isValid = this.query.setStatus(status, job, errorMesssage);
+
+        if (this.fallback) {
+            if (!isValid) {
+                isValid = this.fallback.setStatus(status, job, errorMesssage);
+                appliedToFallback = true;
+            } else if (isValid && this.isFinalStatus(status) && !this.fallback.hasNextQuery(job)) {
+                this.fallback.setStatus(jobStatus.SKIPPED, job);
+            }
+        }
+    }
+
+    return { isValid: isValid, appliedToFallback: appliedToFallback };
+};
+
+QueryFallback.prototype.getStatus = function (job) {
+    return this.query.getStatus(job);
+};
+
+module.exports = QueryFallback;