org.apache.lucene.search.spans
Class SpanFirstQuery
java.lang.Object
org.apache.lucene.search.Query
org.apache.lucene.search.spans.SpanQuery
org.apache.lucene.search.spans.SpanPositionCheckQuery
org.apache.lucene.search.spans.SpanPositionRangeQuery
org.apache.lucene.search.spans.SpanFirstQuery
- All Implemented Interfaces:
- Cloneable
public class SpanFirstQuery
- extends SpanPositionRangeQuery
Matches spans near the beginning of a field.
This class is a simple extension of SpanPositionRangeQuery
in that it assumes the
start to be zero and only checks the end boundary.
Constructor Summary |
SpanFirstQuery(SpanQuery match,
int end)
Construct a SpanFirstQuery matching spans in match whose end
position is less than or equal to end . |
SpanFirstQuery
public SpanFirstQuery(SpanQuery match,
int end)
- Construct a SpanFirstQuery matching spans in
match
whose end
position is less than or equal to end
.
acceptPosition
protected SpanPositionCheckQuery.AcceptStatus acceptPosition(Spans spans)
throws IOException
- Description copied from class:
SpanPositionCheckQuery
- Implementing classes are required to return whether the current position is a match for the passed in
"match"
SpanQuery
.
This is only called if the underlying Spans.next()
for the
match is successful
- Overrides:
acceptPosition
in class SpanPositionRangeQuery
- Parameters:
spans
- The Spans
instance, positioned at the spot to check
- Returns:
- whether the match is accepted, rejected, or rejected and should move to the next doc.
- Throws:
IOException
- See Also:
Spans.next()
toString
public String toString(String field)
- Description copied from class:
Query
- Prints a query to a string, with
field
assumed to be the
default field and omitted.
- Overrides:
toString
in class SpanPositionRangeQuery
clone
public SpanFirstQuery clone()
- Description copied from class:
Query
- Returns a clone of this query.
- Overrides:
clone
in class SpanPositionRangeQuery
equals
public boolean equals(Object o)
- Overrides:
equals
in class SpanPositionRangeQuery
hashCode
public int hashCode()
- Overrides:
hashCode
in class SpanPositionRangeQuery
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