io.questdb.cairo.IntervalFwdDataFrameCursorFactory Maven / Gradle / Ivy
/*******************************************************************************
* ___ _ ____ ____
* / _ \ _ _ ___ ___| |_| _ \| __ )
* | | | | | | |/ _ \/ __| __| | | | _ \
* | |_| | |_| | __/\__ \ |_| |_| | |_) |
* \__\_\\__,_|\___||___/\__|____/|____/
*
* Copyright (c) 2014-2019 Appsicle
* Copyright (c) 2019-2020 QuestDB
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
package io.questdb.cairo;
import io.questdb.cairo.sql.DataFrameCursor;
import io.questdb.griffin.SqlExecutionContext;
import io.questdb.griffin.model.RuntimeIntrinsicIntervalModel;
import io.questdb.std.Misc;
public class IntervalFwdDataFrameCursorFactory extends AbstractDataFrameCursorFactory {
private final IntervalFwdDataFrameCursor cursor;
private final RuntimeIntrinsicIntervalModel intervals;
public IntervalFwdDataFrameCursorFactory(
CairoEngine engine,
String tableName,
long tableVersion,
RuntimeIntrinsicIntervalModel intervals,
int timestampIndex
) {
super(engine, tableName, tableVersion);
this.cursor = new IntervalFwdDataFrameCursor(intervals, timestampIndex);
this.intervals = intervals;
}
@Override
public DataFrameCursor getCursor(SqlExecutionContext executionContext) {
cursor.of(getReader(executionContext.getCairoSecurityContext()), executionContext);
return cursor;
}
@Override
public void close() {
Misc.free(intervals);
}
}