本文整理匯總了TypeScript中backendless.Persistence類的典型用法代碼示例。如果您正苦於以下問題：TypeScript Persistence類的具體用法？TypeScript Persistence怎麽用？TypeScript Persistence使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了Persistence類的6個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: getTagByName
getTagByName(name: string): Promise<Tag> {
let query = new Backendless.DataQuery();
query.condition = "name='" + name + "'";
return Backendless.Persistence.of(Tag).find(query)
.then(res=>{
if(!res.data.length) throw new Error('Tag with such name isn\'t existed');
return res;
});
}示例2: getDisplayTag
getDisplayTag(place:Place, tag: Tag) {
let query = new Backendless.DataQuery();
query.condition = "place.objectId='" + place.objectId + "' and tag.objectId='" + tag.objectId + "'";
return Backendless.Persistence.of(Likes).find(query)
.then(res=>{
let dispTag = new DisplayTag(tag, res.totalObjects);
console.log("getDisplayTag:");
console.log(dispTag);
return dispTag;
});
}示例3: getLikedTags
getLikedTags(placeID:string) {
let query = new Backendless.DataQuery();
query.condition = "place.objectId='" + placeID + "'";
query.options = { relations: ["tag"] };
return Backendless.Persistence.of(Likes).find(query).
then(res => res.data.map((like) => like.tag))
.then(tags => {
let displayTags = [];
let tagsCount = _.groupBy(tags, "objectId");
for (let key in tagsCount) {
displayTags.push(new DisplayTag(tagsCount[key][0], tagsCount[key].length))
}
return displayTags;
});
}示例4: Tag
err=>{
let tag = new Tag();
tag.name = tagName;
return Backendless.Persistence.of(Tag).save(tag);}示例5: Likes
.then(user=>{
let like = new Likes(place, user, tag);
return Backendless.Persistence.of(Likes).save(like);
});示例6: search
search(term:string) {
var tagStorage = Backendless.Persistence.of(Tag);
var dataQuery = new Backendless.DataQuery();
dataQuery.condition = "name LIKE '%" + term + "%'";
return tagStorage.find( dataQuery );
}