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const Batch = require("./Batch");
const Base = require("./Base");
const _ = require("lodash");
/**
* The class manages the batches defined by the OData client
*
* @see http://docs.oasis-open.org/odata/odata/v4.01/cs01/part1-protocol/odata-v4.01-cs01-part1-protocol.html#_Toc505771274
*
* @class Manager
*/
class Manager extends Base {
/**
* Creates an instance of <code>Manager</code>.
*
* @memberof Manager
*/
constructor() {
super("batches");
}
/**
* Add new batch object to the list of the batches
*
* @return {Object} newly created the batch object which represents future batch request
*
* @public
* @memberof Manager
*/
add() {
let batch = super.add(Batch);
return batch;
}
/**
* Remove batch from the currently registered batch objects
*
* @param {Object} batch object for remove
*
* @return {Object} removed batch object
*
* @private
* @memberof Manager
*/
remove(batch) {
return this.batches.splice(this.indexOf(batch), 1);
}
/**
* Check existency of passed batch in registered batches
*
* @param {Object} batch to check
*
* @return {Boolean} true if batch object exists
*
* @public
* @memberof Manager
*/
has(batch) {
return this.batches.length > 0 && !!this.batches[this.indexOf(batch)];
}
/**
* Find index of batch passed as parameter. Raise error if batch is not
* Batch type
*
* @param {Batch} batch to find
*
* @return {Number} index of the found batch or -1 if does not exists
*
* @public
* @memberof Manager
*/
indexOf(batch) {
let id;
let index = -1;
if (!(batch instanceof Batch)) {
throw new Error("Only instance of batch has to be found.");
}
id = _.get(batch, "id");
Eif (_.isString(id)) {
index = _.findIndex(this.batches, (processedBatch) => {
return _.get(processedBatch, "id") === id;
});
}
return index;
}
get defaultBatch() {
return this.batches.length > 0 ? this.batches[0] : undefined;
}
get defaultChangeSet() {
return this.defaultBatch ? this.defaultBatch.defaultChangeSet : undefined;
}
}
module.exports = Manager;
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