public class IndexConsistencyUtils extends Object
Modifier and Type | Method and Description |
---|---|
static boolean |
isIndexConsistent(String name,
int expectedCount,
org.apache.lucene.search.IndexSearcher searcher)
Performs a simple consistency check on an index by opening it, comparing the document count to an expected value
supplied by the caller, and closing it.
|
public static boolean isIndexConsistent(String name, int expectedCount, org.apache.lucene.search.IndexSearcher searcher) throws IOException
-1
may be specified to skip that part of the check. If an expected count is given, the
actual count must be within 10%
of the expected value or 10
documents, whichever value is
larger.
name
- a name to identify the indexexpectedCount
- the expected count of documents in the index, or -1
to skip this checksearcher
- index searchertrue
if the index is present and contains reasonably close to the expected number of documents;
false
if any exception is thrown or if the index document count is excessively different from the
expected countIOException
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