Reference Guide

private static ColumnFamilyDefinition<String, String> CF_DEF =
new ColumnFamilyDefinition<String, String>(
COL_FAMILY, BasicType.UTF8, BasicType.BYTES,
BasicType.UTF8, null, cfMeta);
private static final EnumColumnDecoder<String, Severity> SEV_DECODER
= new EnumColumnDecoder<String, Severity>(Severity.class);
private AlertColumnFamily() {
}
public static int compareColumns(
CassandraStorable<String, String> row1,
CassandraStorable<String, String> row2,
CassandraAlertSortAttribute sortBy) {
int retVal = 0;
switch (sortBy) {
case ORIGIN:
StringColumn<String> col1 =
(StringColumn) row1.getColumn(ORIGIN_COL_NAME);
StringColumn<String> col2 =
(StringColumn) row2.getColumn(ORIGIN_COL_NAME);
retVal = col1.compareTo(col2);
break;
case TIMESTAMP:
DateColumn<String> time1 =
(DateColumn) row1.getColumn(TIMESTAMP_COL_NAME);
DateColumn<String> time2 =
(DateColumn) row2.getColumn(TIMESTAMP_COL_NAME);
retVal = time1.compareTo(time2);
break;
case SEVERITY:
EnumColumn<String, Severity> sev1 =
(EnumColumn) row1.getColumn(SEVERITY_COL_NAME);
EnumColumn<String, Severity> sev2 =
(EnumColumn) row2.getColumn(SEVERITY_COL_NAME);
retVal = sev1.compareTo(sev2);
break;
case STATE:
BooleanColumn<String> state1 =
(BooleanColumn) row1.getColumn(STATE_COL_NAME);
BooleanColumn<String> state2 =
(BooleanColumn) row2.getColumn(STATE_COL_NAME);
retVal = state1.compareTo(state2);
break;
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