Examples with Column io.deephaven.web.client.api.Column used on opensource projects

Example 6 with Column

use of io.deephaven.web.client.api.Column in project deephaven-core by deephaven.

the class ChartData method insertDataRange.

private void insertDataRange(UpdateEventData tableData, Range range, int offset) {
    // splice in the new indexes
    batchSplice(offset, asArray(indexes), longs(range));
    // splice in data to each column
    for (Entry<String, Map<JsFunction<Any, Any>, JsArray<Any>>> columnMap : cachedData.entrySet()) {
        String columnName = columnMap.getKey();
        Column col = table.findColumn(columnName);
        for (Entry<JsFunction<Any, Any>, JsArray<Any>> mapFuncAndArray : columnMap.getValue().entrySet()) {
            JsFunction<Any, Any> func = mapFuncAndArray.getKey();
            JsArray<Any> arr = mapFuncAndArray.getValue();
            // here we create a new array and splice it in, to avoid slowly growing the data array in the case
            // of many rows being added
            Any[] values = values(tableData, func, col, range);
            batchSplice(offset, arr, values);
        }
    }
}