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snapshot.js
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snapshot.js
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var debug = require('debug')('eventstore:snapshot');
/**
* Snapshot constructor
* The snapshot object will be persisted to the store.
* @param {String} id the id of the snapshot
* @param {Object} obj the snapshot object infos
* @constructor
*/
function Snapshot (id, obj) {
if (!id) {
var errIdMsg = 'id not injected!';
debug(errIdMsg);
throw new Error(errIdMsg);
}
if (!obj) {
var errObjMsg = 'object not injected!';
debug(errObjMsg);
throw new Error(errObjMsg);
}
if (!obj.aggregateId) {
var errAggIdMsg = 'object.aggregateId not injected!';
debug(errAggIdMsg);
throw new Error(errAggIdMsg);
}
if (!obj.data) {
var errDataMsg = 'object.data not injected!';
debug(errDataMsg);
throw new Error(errDataMsg);
}
this.id = id;
this.streamId = obj.aggregateId;
this.aggregateId = obj.aggregateId;
this.aggregate = obj.aggregate || null;
this.context = obj.context || null;
this.commitStamp = null;
this.revision = obj.revision;
this.version = obj.version;
this.data = obj.data;
}
module.exports = Snapshot;