/
transaction.js
69 lines (62 loc) · 1.7 KB
/
transaction.js
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const Bluebird = require('bluebird');
const Transaction = require('../../transaction');
const { isUndefined } = require('lodash');
const debugTx = require('debug')('knex:tx');
module.exports = class Oracle_Transaction extends Transaction {
// disable autocommit to allow correct behavior (default is true)
begin() {
return Bluebird.resolve();
}
commit(conn, value) {
this._completed = true;
return conn
.commitAsync()
.return(value)
.then(this._resolver, this._rejecter);
}
release(conn, value) {
return this._resolver(value);
}
rollback(conn, err) {
this._completed = true;
debugTx('%s: rolling back', this.txid);
return conn
.rollbackAsync()
.throw(err)
.catch((error) => {
if (isUndefined(error)) {
error = new Error(`Transaction rejected with non-error: ${error}`);
}
return this._rejecter(error);
});
}
acquireConnection(config) {
const t = this;
return new Bluebird((resolve, reject) => {
try {
resolve(config.connection || t.client.acquireConnection());
} catch (e) {
reject(e);
}
})
.then((connection) => {
connection.__knexTxId = this.txid;
return connection;
})
.then((connection) => {
if (!t.outerTx) {
connection.setAutoCommit(false);
}
return connection;
})
.disposer((connection) => {
debugTx('%s: releasing connection', t.txid);
connection.setAutoCommit(true);
if (!config.connection) {
t.client.releaseConnection(connection);
} else {
debugTx('%s: not releasing external connection', t.txid);
}
});
}
};