本文整理匯總了TypeScript中arangojs.Graph.addEdgeDefinition方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript Graph.addEdgeDefinition方法的具體用法？TypeScript Graph.addEdgeDefinition怎麽用？TypeScript Graph.addEdgeDefinition使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類arangojs.Graph的用法示例。
在下文中一共展示了Graph.addEdgeDefinition方法的1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: addEdgeDefinition
/**
* Adds the given edge definition to the graph.
*
* @param {string} collectionName edge collection name
* @param {Object} fromVertice from vertice
* @param {Object} toVertice from vertice
* @return {Object} The added edge definition
*/
async addEdgeDefinition(collectionName: string, fromVertice: Object | [Object],
toVertice: Object | [Object]): Promise<Object> {
if (_.isNil(collectionName)) {
throw new Error('missing edge collection name');
}
if (_.isNil(fromVertice)) {
throw new Error('missing from vertice');
}
if (_.isNil(toVertice)) {
throw new Error('missing to vertice');
}
if (!_.isArray(fromVertice)) {
fromVertice = [fromVertice];
}
if (!_.isArray(toVertice)) {
toVertice = [toVertice];
}
let edgeDef;
try {
edgeDef = await this.graph.addEdgeDefinition(
{
collection: collectionName,
from: fromVertice,
to: toVertice
}
);
} catch (err) {
// if edge def already exists return
if (err.message === 'multi use of edge collection in edge def') {
return edgeDef;
}
throw { code: err.code, message: err.message };
}
}