/*******************************************************************************
* Copyright (c) 2001-2005 Sasa Markovic and Ciaran Treanor.
* Copyright (c) 2011 The OpenNMS Group, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/
package org.jrobin.core;
import java.io.IOException;
import org.jrobin.core.RrdException;
abstract class DataImporter {
// header
abstract String getVersion() throws RrdException, IOException;
abstract long getLastUpdateTime() throws RrdException, IOException;
abstract long getStep() throws RrdException, IOException;
abstract int getDsCount() throws RrdException, IOException;
abstract int getArcCount() throws RrdException, IOException;
// datasource
abstract String getDsName(int dsIndex) throws RrdException, IOException;
abstract String getDsType(int dsIndex) throws RrdException, IOException;
abstract long getHeartbeat(int dsIndex) throws RrdException, IOException;
abstract double getMinValue(int dsIndex) throws RrdException, IOException;
abstract double getMaxValue(int dsIndex) throws RrdException, IOException;
// datasource state
abstract double getLastValue(int dsIndex) throws RrdException, IOException;
abstract double getAccumValue(int dsIndex) throws RrdException, IOException;
abstract long getNanSeconds(int dsIndex) throws RrdException, IOException;
// archive
abstract String getConsolFun(int arcIndex) throws RrdException, IOException;
abstract double getXff(int arcIndex) throws RrdException, IOException;
abstract int getSteps(int arcIndex) throws RrdException, IOException;
abstract int getRows(int arcIndex) throws RrdException, IOException;
// archive state
abstract double getStateAccumValue(int arcIndex, int dsIndex) throws RrdException, IOException;
abstract int getStateNanSteps(int arcIndex, int dsIndex) throws RrdException, IOException;
abstract double[] getValues(int arcIndex, int dsIndex) throws RrdException, IOException,RrdException;
long getEstimatedSize() throws RrdException, IOException {
int dsCount = getDsCount();
int arcCount = getArcCount();
int rowCount = 0;
for (int i = 0; i < arcCount; i++) {
rowCount += getRows(i);
}
return RrdDef.calculateSize(dsCount, arcCount, rowCount);
}
void release() throws RrdException, IOException {
// NOP
}
}