forked from verdnatura/hedera-web
93 lines
1.5 KiB
JavaScript
93 lines
1.5 KiB
JavaScript
/**
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* This class stores a database result.
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*/
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module.exports = new Class
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({
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/**
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* Initilizes the result object.
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*/
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initialize: function (result)
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{
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Object.assign (this, {
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data: result.data,
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tables: result.tables,
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columns: result.columns,
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row: -1
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});
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if (this.columns)
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{
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this.columnMap = {};
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for (var i = 0; i < this.columns.length; i++)
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this.columnMap[this.columns[i].name] = i;
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}
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else
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this.columnMap = null;
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}
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/**
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* Gets a value from de result.
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*
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* @param {String} columnName The column name
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* @return {Object} The cell value
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*/
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,get: function (columnName)
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{
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var columnIndex = this.columnMap[columnName];
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return this.data[this.row][columnIndex];
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}
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/**
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* Moves the pointer to the next row and returns it as an object.
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*
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* @return {Object} The row or %null if there are no more rows
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*/
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,fetchObject: function ()
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{
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if (!this.next ())
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return null;
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return this.getObject ();
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}
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/**
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* Returns the current row as an object.
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*
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* @return {Object} The row or %null if there are no more rows
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*/
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,getObject: function ()
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{
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var row = this.data[this.row];
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var cols = this.columns;
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var object = {};
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for (var i = 0; i < cols.length; i++)
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object[cols[i].name] = row[i];
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return object;
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}
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/**
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* Resets the result iterator.
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*/
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,reset: function ()
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{
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this.row = -1;
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}
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/**
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* Moves the internal iterator to the next row.
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*/
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,next: function ()
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{
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this.row++;
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if (this.row >= this.data.length)
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return false;
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return true;
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}
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});
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