org.apache.lucene.search

Class RangeFilter

java.lang.Object
- org.apache.lucene.search.Filter
- - org.apache.lucene.search.RangeFilter

Implemented Interfaces:: Serializable

public class RangeFilter

extends Filter

A Filter that restricts search results to a range of values in a given field.

This code borrows heavily from RangeQuery, but is implemented as a Filter (much like DateFilter).

See Also:: Serialized Form

Constructor Summary
`RangeFilter(String fieldName, String lowerTerm, String upperTerm, boolean includeLower, boolean includeUpper)`

Method Summary
`static RangeFilter`	`Less(String fieldName, String upperTerm)` Constructs a filter for field `fieldName` matching less than or equal to `upperTerm`.
`static RangeFilter`	`More(String fieldName, String lowerTerm)` Constructs a filter for field `fieldName` matching greater than or equal to `lowerTerm`.
`BitSet`	`bits(IndexReader reader)` Returns a BitSet with true for documents which should be permitted in search results, and false for those that should not.
`boolean`	`equals(Object o)` Returns true if `o` is equal to this.
`int`	`hashCode()` Returns a hash code value for this object.
`String`	`toString()`

Methods inherited from class org.apache.lucene.search.Filter
`bits`

RangeFilter

public RangeFilter(String fieldName,
                   String lowerTerm,
                   String upperTerm,
                   boolean includeLower,
                   boolean includeUpper)

Parameters:
fieldName - The field this range applies to
lowerTerm - The lower bound on this range
upperTerm - The upper bound on this range
includeLower - Does this range include the lower bound?
includeUpper - Does this range include the upper bound?

Less

public static RangeFilter Less(String fieldName,
                               String upperTerm)

Constructs a filter for field fieldName matching less than or equal to upperTerm.

public static RangeFilter More(String fieldName,
                               String lowerTerm)

Constructs a filter for field fieldName matching greater than or equal to lowerTerm.

bits

public BitSet bits(IndexReader reader)
            throws IOException

Returns a BitSet with true for documents which should be permitted in search results, and false for those that should not.
Overrides:
bits in interface Filter

equals

public boolean equals(Object o)

Returns true if o is equal to this.

hashCode

public int hashCode()

Returns a hash code value for this object.

toString

public String toString()

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org.apache.lucene.search

Class RangeFilter

Constructor Summary

Method Summary

Methods inherited from class org.apache.lucene.search.Filter

Constructor Details