Java Sample.setAndUpdate方法代码示例

import org.jrobin.core.Sample; //导入方法依赖的package包/类
@Test
public void testEntriesZeroTo100InRrd() throws IOException, RrdException, FontFormatException {
	createGaugeRrd(105); //Make sure all entries are recorded (5 is just a buffer for consolidation)
	RrdDb rrd = new RrdDb(jrbFileName);

	for(int i=0; i<100; i++) {
		long timestamp = startTime + 1 + (i * 60);
		Sample sample = rrd.createSample();
		sample.setAndUpdate(timestamp + ":" + i);
	}
	rrd.close();
	prepareGraph();
	expectMinorGridLines(4);
	expectMajorGridLine("  50");
	expectMinorGridLines(4);
	expectMajorGridLine(" 100");

	replay(imageWorker);

	this.valueAxis.draw();
	//Validate the calls to the imageWorker
	verify(imageWorker);

}
 

import org.jrobin.core.Sample; //导入方法依赖的package包/类
@Test
public void testEntriesNeg50To0InRrd() throws IOException, RrdException, FontFormatException {
	createGaugeRrd(100);
	RrdDb rrd = new RrdDb(jrbFileName);

	for(int i=0; i<50; i++) {
		long timestamp = startTime + 1 + (i * 60);
		Sample sample = rrd.createSample();
		sample.setAndUpdate(timestamp + ":" + (i -50));
	}
	rrd.close();
	prepareGraph();
	expectMinorGridLines(2);
	expectMajorGridLine(" -40");
	expectMinorGridLines(3);
	expectMajorGridLine(" -20");
	expectMinorGridLines(3);

	replay(imageWorker);

	this.valueAxis.draw();
	//Validate the calls to the imageWorker
	verify(imageWorker);

}
 

import org.jrobin.core.Sample; //导入方法依赖的package包/类
@Test
	public void testRrdUpdate() throws Exception {
		Sample sample = null;
		long startTime = System.currentTimeMillis() - 1000;
//		for (int i = 0; i < 1000000; i++) {
			sample = m_db.createSample();
			sample.setAndUpdate(startTime + ":" + m_random.nextInt());
			//sample.setAndUpdate(startTime++ + ":" + m_random.nextInt());
//		}
	}
 

import org.jrobin.core.Sample; //导入方法依赖的package包/类
@Test
public void testOneEntryInRrd() throws IOException, RrdException, FontFormatException {
	createGaugeRrd(100);
	RrdDb rrd = new RrdDb(jrbFileName);
	long nowSeconds = new Date().getTime();
	long fiveMinutesAgo = nowSeconds - (5 * 60);
	Sample sample = rrd.createSample();
	sample.setAndUpdate(fiveMinutesAgo+":10");
	rrd.close();
	prepareGraph();
	checkForBasicGraph();
}
 

import org.jrobin.core.Sample; //导入方法依赖的package包/类
@Test
public void testTwoEntriesInRrd() throws IOException, RrdException, FontFormatException {
	createGaugeRrd(100);
	RrdDb rrd = new RrdDb(jrbFileName);

	for(int i=0; i<2; i++) {
		long timestamp = startTime + 1 + (i * 60);
		Sample sample = rrd.createSample();
		sample.setAndUpdate(timestamp+":100");
	}
	rrd.close();
	prepareGraph();

	expectMajorGridLine("  90");
	expectMinorGridLines(1);
	expectMajorGridLine(" 100");
	expectMinorGridLines(1);
	expectMajorGridLine(" 110");
	expectMinorGridLines(1);
	expectMajorGridLine(" 120");
	expectMinorGridLines(1);

	replay(imageWorker);

	this.valueAxis.draw();
	//Validate the calls to the imageWorker
	verify(imageWorker);

}
 

import org.jrobin.core.Sample; //导入方法依赖的package包/类
@Test
public void testEntriesNeg50To100InRrd() throws IOException, RrdException, FontFormatException {
	createGaugeRrd(155);
	RrdDb rrd = new RrdDb(jrbFileName);

	for(int i=0; i<150; i++) {
		long timestamp = startTime + 1 + (i * 60);
		Sample sample = rrd.createSample();
		sample.setAndUpdate(timestamp + ":" + (i -50));
	}
	rrd.close();
	prepareGraph();
	expectMajorGridLine(" -50");
	expectMinorGridLines(4);
	expectMajorGridLine("   0");
	expectMinorGridLines(4);
	expectMajorGridLine("  50");
	expectMinorGridLines(4);
	expectMajorGridLine(" 100");

	replay(imageWorker);

	this.valueAxis.draw();
	//Validate the calls to the imageWorker
	verify(imageWorker);

}
 

import org.jrobin.core.Sample; //导入方法依赖的package包/类
@Test
public void testEntriesNeg55To105InRrd() throws IOException, RrdException, FontFormatException {
	createGaugeRrd(165);
	RrdDb rrd = new RrdDb(jrbFileName);

	for(int i=0; i<160; i++) {
		long timestamp = startTime + 1 + (i * 60);
		Sample sample = rrd.createSample();
		sample.setAndUpdate(timestamp + ":" + (i -55));
	}
	rrd.close();
	prepareGraph();
	/**
	 * Prior to JRB-12 fix, this was the behaviour.  Note the lack of a decent negative label
	expectMinorGridLines(3);
	expectMajorGridLine("   0");
	expectMinorGridLines(4);
	expectMajorGridLine(" 100");
	expectMinorGridLines(1);
	 */
	//New behaviour is better; no minor grid lines, which is interesting, but much better representation
	expectMajorGridLine(" -50");
	expectMajorGridLine("   0");
	expectMajorGridLine("  50");
	expectMajorGridLine(" 100");



	replay(imageWorker);

	this.valueAxis.draw();
	//Validate the calls to the imageWorker
	verify(imageWorker);

}
 

import org.jrobin.core.Sample; //导入方法依赖的package包/类
/**
 * Test specifically for JRB-12 (http://issues.opennms.org/browse/JRB-12)
 * In the original, when the values go from -80 to 90 on a default height graph
 * (i.e. limited pixels available for X-axis labelling),ValueAxis gets all confused
 * and decides it can only display "0" on the X-axis  (there's not enough pixels
 * for more labels, and none of the Y-label factorings available work well enough
 * @throws FontFormatException
 */
@Test
public void testEntriesNeg80To90InRrd() throws IOException, RrdException, FontFormatException {
	createGaugeRrd(180);
	RrdDb rrd = new RrdDb(jrbFileName);

	for(int i=0; i<170; i++) {
		long timestamp = startTime + 1 + (i * 60);
		Sample sample = rrd.createSample();
		sample.setAndUpdate(timestamp + ":" + (i -80));
	}
	rrd.close();
	prepareGraph();
	/**
	 * Original behaviour; a single major X-axis label (0) only.
	expectMinorGridLines(4);
	expectMajorGridLine("   0");
	expectMinorGridLines(4);
	 */
	//New behaviour post JRB-12 fix:
	expectMajorGridLine(" -50");
	expectMajorGridLine("   0");
	expectMajorGridLine("  50");

	replay(imageWorker);

	this.valueAxis.draw();
	//Validate the calls to the imageWorker
	verify(imageWorker);

}
 

import org.jrobin.core.Sample; //导入方法依赖的package包/类
/**
 * Test specifically for JRB-12 (http://issues.opennms.org/browse/JRB-12)
 * Related to testEntriesNeg80To90InRrd, except in the original code
 * this produced sensible labelling.  Implemented to check that the
 * changes don't break the sanity.
 * @throws FontFormatException
 */
@Test
public void testEntriesNeg80To80InRrd() throws IOException, RrdException, FontFormatException {
	createGaugeRrd(180);
	RrdDb rrd = new RrdDb(jrbFileName);

	for(int i=0; i<160; i++) {
		long timestamp = startTime + 1 + (i * 60);
		Sample sample = rrd.createSample();
		sample.setAndUpdate(timestamp + ":" + (i -80));
	}
	rrd.close();
	prepareGraph();

	// Original
	expectMinorGridLines(3);
	expectMajorGridLine(" -50");
	expectMinorGridLines(4);
	expectMajorGridLine("   0");
	expectMinorGridLines(4);
	expectMajorGridLine("  50");
	expectMinorGridLines(3);


	replay(imageWorker);

	this.valueAxis.draw();
	//Validate the calls to the imageWorker
	verify(imageWorker);

}
 

import org.jrobin.core.Sample; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 *
 * Creates a sample from the JRobin RrdDb and passes in the data provided.
 */
public void updateFile(final RrdDb rrdFile, final String owner, final String data) throws Exception {
    Sample sample = rrdFile.createSample();
    sample.setAndUpdate(data);
}