@Test
public void shouldReportCurrentTail() {
final int tailValue = 64;
when(metaDataBuffer.getIntVolatile(TERM_TAIL_COUNTER_OFFSET)).thenReturn(tailValue);
assertThat(termAppender.tailVolatile(), is(tailValue));
}
/**
* Get the current tail value in a volatile memory ordering fashion. If raw tail is greater than
* term capacity then capacity will be returned.
*
* @return the current tail value.
*/
public int tailVolatile() {
return Math.min(metaDataBuffer.getIntVolatile(TERM_TAIL_COUNTER_OFFSET), termBuffer.capacity());
}
/**
* Get the raw value current tail value in a volatile memory ordering fashion.
*
* @return the current tail value.
*/
public int rawTailVolatile() {
return metaDataBuffer.getIntVolatile(TERM_TAIL_COUNTER_OFFSET);
}
