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/*******************************************************************************
* Copyright (c) 2006, 2018 IBM Corporation.
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse
*******************************************************************************/
package org.eclipse.linuxtools.systemtap.graphing.core.adapters;
import java.util.Arrays;
import org.eclipse.linuxtools.internal.systemtap.graphing.core.Localization;
import org.eclipse.linuxtools.systemtap.graphing.core.datasets.IBlockDataSet;
import org.eclipse.linuxtools.systemtap.graphing.core.datasets.IDataSet;
public class BlockAdapter implements IAdapter {
public BlockAdapter(IBlockDataSet data, int xSeries, int[] ySeries) {
this.data = data;
this.xSeries = xSeries;
this.ySeries = Arrays.copyOf(ySeries, ySeries.length);
}
@Override
public Number getYSeriesMax(int y, int start, int end) {
return getSeriesMax(ySeries[y], start, end);
}
@Override
public Number getSeriesMax(int series, int start, int end) {
if(start < 0 || end > data.getRowCount() || start > end)
return null;
Number max = Double.NEGATIVE_INFINITY;
Number cur;
Object[] dataColumn = data.getColumn(series, start, end);
for(int i=0; i<dataColumn.length; i++) {
try {
cur = Double.parseDouble(dataColumn[i].toString());
if(max.doubleValue() < cur.doubleValue())
max = cur;
} catch (NumberFormatException e) {}
}
return max;
}
@Override
public String[] getLabels() {
String[] labels = data.getTitles();
String[] labels2 = new String[ySeries.length + 1];
labels2[0] = (IDataSet.COL_ROW_NUM == xSeries) ? Localization.getString("BlockAdapter.RowNum") : labels[xSeries]; //$NON-NLS-1$
for(int i=0; i<ySeries.length; i++)
labels2[i+1] = labels[ySeries[i]];
return labels2;
}
@Override
public int getSeriesCount() {
return ySeries.length;
}
@Override
public int getRecordCount() {
return data.getRowCount();
}
@Override
public Object[][] getData() {
return getData(0, getRecordCount());
}
//[Row][Column]
@Override
public Object[][] getData(int start, int end) {
Object[][] o = new Object[Math.min(end-start,getRecordCount())][ySeries.length+1];
Object[] row;
for(int j,i=0; i<o.length; i++) {
row = data.getRow(i+start);
o[i][0] = (IDataSet.COL_ROW_NUM == xSeries) ? Integer.valueOf(i) : row[xSeries];
for(j=0; j<ySeries.length; j++)
o[i][j+1] = row[ySeries[j]];
}
return o;
}
private IBlockDataSet data;
private int xSeries;
private int[] ySeries;
}
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