org.apache.lucene.search
Class CachingWrapperFilter
java.lang.Object
org.apache.lucene.search.Filter
org.apache.lucene.search.CachingWrapperFilter
- All Implemented Interfaces:
- java.io.Serializable
- Direct Known Subclasses:
- QueryFilter
public class CachingWrapperFilter
- extends Filter
Wraps another filter's result and caches it. The purpose is to allow
filters to simply filter, and then wrap with this class to add caching.
- See Also:
- Serialized Form
Field Summary |
protected java.util.Map |
cache
A transient Filter cache. |
protected Filter |
filter
|
Method Summary |
java.util.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(java.lang.Object o)
|
int |
hashCode()
|
java.lang.String |
toString()
|
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
filter
protected Filter filter
cache
protected transient java.util.Map cache
- A transient Filter cache. To cache Filters even when using
RemoteSearchable
use
RemoteCachingWrapperFilter
instead.
CachingWrapperFilter
public CachingWrapperFilter(Filter filter)
- Parameters:
filter
- Filter to cache results of
bits
public java.util.BitSet bits(IndexReader reader)
throws java.io.IOException
- Description copied from class:
Filter
- Returns a BitSet with true for documents which should be permitted in
search results, and false for those that should not.
- Specified by:
bits
in class Filter
- Throws:
java.io.IOException
toString
public java.lang.String toString()
- Overrides:
toString
in class java.lang.Object
equals
public boolean equals(java.lang.Object o)
- Overrides:
equals
in class java.lang.Object
hashCode
public int hashCode()
- Overrides:
hashCode
in class java.lang.Object
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