SplitLongRange() public static method

Splits a long range recursively. You may implement a builder that adds clauses to a Lucene.Net.Search.BooleanQuery for each call to its LongRangeBuilder#addRange(BytesRef,BytesRef) method.

this method is used by NumericRangeQuery.

public static SplitLongRange ( LongRangeBuilder builder, int precisionStep, long minBound, long maxBound ) : void
builder LongRangeBuilder
precisionStep int
minBound long
maxBound long
return void
NumericUtils Class Documentation
Beispiel #1
0
        // INFO: Tests for trieCodeLong()/trieCodeInt() not needed because implicitely tested by range filter tests

        /// <summary>Note: The neededBounds iterator must be unsigned (easier understanding what's happening) </summary>
        protected internal virtual void  AssertLongRangeSplit(long lower, long upper, int precisionStep, bool useBitSet, System.Collections.IEnumerator neededBounds)
        {
            OpenBitSet bits = useBitSet?new OpenBitSet(upper - lower + 1):null;

            NumericUtils.SplitLongRange(new AnonymousClassLongRangeBuilder(lower, upper, useBitSet, bits, neededBounds, this), precisionStep, lower, upper);

            if (useBitSet)
            {
                // after flipping all bits in the range, the cardinality should be zero
                bits.Flip(0, upper - lower + 1);
                Assert.IsTrue(bits.IsEmpty(), "The sub-range concenated should match the whole range");
            }
        }
Beispiel #2
0
        // INFO: Tests for trieCodeLong()/trieCodeInt() not needed because implicitely tested by range filter tests

        /// <summary>
        /// Note: The neededBounds Iterable must be unsigned (easier understanding what's happening) </summary>
        private void AssertLongRangeSplit(long lower, long upper, int precisionStep, bool useBitSet, IEnumerable <long> expectedBounds, IEnumerable <int> expectedShifts)
        {
            // Cannot use FixedBitSet since the range could be long:
            LongBitSet         bits         = useBitSet ? new LongBitSet(upper - lower + 1) : null;
            IEnumerator <long> neededBounds = (expectedBounds == null) ? null : expectedBounds.GetEnumerator();
            IEnumerator <int>  neededShifts = (expectedShifts == null) ? null : expectedShifts.GetEnumerator();

            NumericUtils.SplitLongRange(new LongRangeBuilderAnonymousInnerClassHelper(this, lower, upper, useBitSet, bits, neededBounds, neededShifts), precisionStep, lower, upper);

            if (useBitSet)
            {
                // after flipping all bits in the range, the cardinality should be zero
                bits.Flip(0, upper - lower + 1);
                Assert.AreEqual(0, bits.Cardinality(), "The sub-range concenated should match the whole range");
            }
        }