public RunLengthEncodedBlockCursor(RandomAccessBlock value, int positionCount) {
this.value = checkNotNull(value, "value is null");
checkArgument(
value.getPositionCount() == 1,
"Expected value to contain a single position but has %s positions",
value.getPositionCount());
checkArgument(positionCount >= 0, "positionCount is negative");
this.positionCount = positionCount;
position = -1;
}
@Override
public Type getType() {
return value.getType();
}
@Override
public int calculateHashCode() {
return value.hashCode(0);
}
@Override
public void appendTo(BlockBuilder blockBuilder) {
value.appendTo(0, blockBuilder);
}
@Override
public boolean isNull() {
checkReadablePosition();
return value.isNull(0);
}
@Override
public int compareTo(Slice slice, int offset) {
checkReadablePosition();
return value.compareTo(0, slice, offset);
}
@Override
public Object getObjectValue(Session session) {
checkReadablePosition();
return value.getObjectValue(session, 0);
}
@Override
public Slice getSlice() {
checkReadablePosition();
return value.getSlice(0);
}
@Override
public double getDouble() {
checkReadablePosition();
return value.getDouble(0);
}
@Override
public long getLong() {
checkReadablePosition();
return value.getLong(0);
}
@Override
public boolean getBoolean() {
checkReadablePosition();
return value.getBoolean(0);
}