romseygeek commented on a change in pull request #427:
URL: https://github.com/apache/lucene/pull/427#discussion_r742922900
##########
File path:
lucene/queries/src/java/org/apache/lucene/queries/intervals/Intervals.java
##########
@@ -429,4 +433,50 @@ public static IntervalsSource after(IntervalsSource
source, IntervalsSource refe
source,
Intervals.extend(new OffsetIntervalsSource(reference, false), 0,
Integer.MAX_VALUE));
}
+
+ /**
+ * Returns intervals that correspond to tokens from a {@link TokenStream}
returned for {@code
+ * text} by applying the provided {@link Analyzer} as if {@code text} was
the content of the given
+ * {@code field}. The intervals can be ordered or unordered and can have
optional gaps inside.
+ *
+ * @param text The text to analyze.
+ * @param analyzer The {@link Analyzer} to use to acquire a {@link
TokenStream} which is then
+ * converted into intervals.
+ * @param field The field {@code text} should be parsed as.
+ * @param maxGaps Maximum number of allowed gaps between sub-intervals
resulting from tokens.
+ * @param ordered Whether sub-intervals should enforce token ordering or not.
+ * @return Returns an {@link IntervalsSource} that matches tokens acquired
from analysis of {@code
+ * text}. Possibly an empty interval source, never {@code null}.
+ * @throws IOException If an I/O exception occurs.
+ */
+ public static IntervalsSource analyzedText(
+ String text, Analyzer analyzer, String field, int maxGaps, boolean
ordered)
+ throws IOException {
+ try (TokenStream ts = analyzer.tokenStream(field, text)) {
+ return analyzedText(ts, maxGaps, ordered);
+ }
+ }
+
+ /**
+ * Returns intervals that correspond to tokens from the provided {@link
CachingTokenFilter}. This
Review comment:
s/CachingTokenFilter/TokenFilter/
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