/**
* make the hbase filter for selecting values of y-axis(response time) in order to select
* transactions in scatter chart. 4 bytes for elapsed time should be attached for the prefix of
* column qualifier for to use this filter.
*
* @param area
* @param offsetTransactionId
* @param offsetTransactionElapsed
* @return
*/
private Filter makeResponseTimeFilter(
final SelectedScatterArea area,
final TransactionId offsetTransactionId,
int offsetTransactionElapsed) {
// filter by response time
ResponseTimeRange responseTimeRange = area.getResponseTimeRange();
byte[] responseFrom = Bytes.toBytes(responseTimeRange.getFrom());
byte[] responseTo = Bytes.toBytes(responseTimeRange.getTo());
FilterList filterList = new FilterList(Operator.MUST_PASS_ALL);
filterList.addFilter(
new QualifierFilter(CompareOp.GREATER_OR_EQUAL, new BinaryPrefixComparator(responseFrom)));
filterList.addFilter(
new QualifierFilter(CompareOp.LESS_OR_EQUAL, new BinaryPrefixComparator(responseTo)));
// add offset
if (offsetTransactionId != null) {
final Buffer buffer = new AutomaticBuffer(32);
buffer.put(offsetTransactionElapsed);
buffer.putPrefixedString(offsetTransactionId.getAgentId());
buffer.putSVar(offsetTransactionId.getAgentStartTime());
buffer.putVar(offsetTransactionId.getTransactionSequence());
byte[] qualifierOffset = buffer.getBuffer();
filterList.addFilter(
new QualifierFilter(CompareOp.GREATER, new BinaryPrefixComparator(qualifierOffset)));
}
return filterList;
}
@Test
public void diffSeqDesc() {
TransactionId id1 = new TransactionId("A1", 1, 2);
TransactionId id2 = new TransactionId("A1", 1, 1);
Assert.assertEquals(1, id1.compareTo(id2));
}
@Test
public void diffAgentStartTimeDesc() {
TransactionId id1 = new TransactionId("A1", 2, 1);
TransactionId id2 = new TransactionId("A1", 1, 1);
Assert.assertEquals(1, id1.compareTo(id2));
}
@Test
public void sameAll() {
TransactionId id1 = new TransactionId("A1", 1, 1);
TransactionId id2 = new TransactionId("A1", 1, 1);
Assert.assertEquals(0, id1.compareTo(id2));
}