THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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@Evolving
public final class ReverseRangeQuery<K, V> implements Query<KeyValueIterator<K, V>> {
private final Optional<K> lower;
private final Optional<K> upper;
private ReverseRangeQuery(final Optional<K> lower, final Optional<K> upper) {
this.lower = lower;
this.upper = upper;
}
/**
* Interactive range query using a lower and upper bound to filter the keys returned.
* @param lower The key that specifies the lower bound of the range
* @param upper The key that specifies the upper bound of the range
* @param <K> The key type
* @param <V> The value type
*/
public static <K, V> ReverseRangeQuery<K, V> withRange(final K lower, final K upper) {
return new ReverseRangeQuery<>(Optional.ofNullable(lower), Optional.ofNullable(upper));
}
/**
* Interactive range query using an upper bound to filter the keys returned.
* If both <K,V> are null, RangQuery returns a full range scan.
* @param upper The key that specifies the upper bound of the range
* @param <K> The key type
* @param <V> The value type
*/
public static <K, V> ReverseRangeQuery<K, V> withUpperBound(final K upper) {
return new ReverseRangeQuery<>(Optional.empty(), Optional.of(upper));
}
/**
* Interactive range query using a lower bound to filter the keys returned.
* @param lower The key that specifies the lower bound of the range
* @param <K> The key type
* @param <V> The value type
*/
public static <K, V> ReverseRangeQuery<K, V> withLowerBound(final K lower) {
return new ReverseRangeQuery<>(Optional.of(lower), Optional.empty());
}
/**
* Interactive scan query that returns all records in the store.
* @param <K> The key type
* @param <V> The value type
*/
public static <K, V> ReverseRangeQuery<K, V> withNoBounds() {
return new ReverseRangeQuery<>(Optional.empty(), Optional.empty());
}
/**
* The lower bound of the query, if specified.
*/
public Optional<K> getLowerBound() {
return lower;
}
/**
* The upper bound of the query, if specified
*/
public Optional<K> getUpperBound() {
return upper;
}
}
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Compatibility, Deprecation, and Migration Plan
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