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Java Source Code / Java Documentation » Search Engine » apache solr 1.2.0 » org.apache.solr.search

Source Cross Reference Class Diagram Java Document (Java Doc)

org.apache.solr.search .DocSet

DocSet
public interface DocSet (Code)
	`DocSet` represents an unordered set of Lucene Document Ids. WARNING: Any DocSet returned from SolrIndexSearcher should not be modified as it may have been retrieved from a cache and could be shared. author: yonik version: $Id: DocSet.java 542679 2007-05-29 22:28:21Z ryan $ since: solr 0.9

Method Summary
public void	add(int doc) Adds the specified document if it is not currently in the DocSet (optional operation).
public void	addUnique(int doc) Adds a document the caller knows is not currently in the DocSet (optional operation).
public DocSet	andNot(DocSet other) Returns the documents in this set that are not in the other set.
public int	andNotSize(DocSet other) Returns the number of documents in this set that are not in the other set.
public boolean	exists(int docid) Returns true if a document is in the DocSet.
public OpenBitSet	getBits() Returns a BitSet view of the DocSet.
public DocSet	intersection(DocSet other) Returns the intersection of this set with another set.
public int	intersectionSize(DocSet other) Returns the number of documents of the intersection of this set with another set.
public DocIterator	iterator() Returns an iterator that may be used to iterate over all of the documents in the set.
public long	memSize() Returns the approximate amount of memory taken by this DocSet.
public int	size() Returns the number of documents in the set.
public DocSet	union(DocSet other) Returns the union of this set with another set.
public int	unionSize(DocSet other) Returns the number of documents of the union of this set with another set.

Method Detail

add
public void add(int doc)(Code)
	Adds the specified document if it is not currently in the DocSet (optional operation). See Also: DocSet.addUnique throws: SolrException - if the implementation does not allow modifications

addUnique
public void addUnique(int doc)(Code)
	Adds a document the caller knows is not currently in the DocSet (optional operation). This method may be faster then `add(doc)` in some implementaions provided the caller is certain of the precondition. See Also: DocSet.add throws: SolrException - if the implementation does not allow modifications

andNot
public DocSet andNot(DocSet other)(Code)
	Returns the documents in this set that are not in the other set. Neither set is modified - a new DocSet is created and returned. a DocSet representing this AND NOT other

andNotSize
public int andNotSize(DocSet other)(Code)
	Returns the number of documents in this set that are not in the other set.

exists
public boolean exists(int docid)(Code)
	Returns true if a document is in the DocSet.

getBits
public OpenBitSet getBits()(Code)
	Returns a BitSet view of the DocSet. Any changes to this BitSet may be reflected in the DocSet, hence if the DocSet is shared or was returned from a SolrIndexSearcher method, it's not safe to modify the BitSet. An OpenBitSet with the bit number of every docid set in the set.

intersection
public DocSet intersection(DocSet other)(Code)
	Returns the intersection of this set with another set. Neither set is modified - a new DocSet is created and returned. a DocSet representing the intersection

intersectionSize
public int intersectionSize(DocSet other)(Code)
	Returns the number of documents of the intersection of this set with another set. May be more efficient than actually creating the intersection and then getting it's size.

iterator
public DocIterator iterator()(Code)
	Returns an iterator that may be used to iterate over all of the documents in the set. The order of the documents returned by this iterator is non-deterministic, and any scoring information is meaningless

memSize
public long memSize()(Code)
	Returns the approximate amount of memory taken by this DocSet. This is only an approximation and doesn't take into account java object overhead. the approximate memory consumption in bytes

size
public int size()(Code)
	Returns the number of documents in the set.

union
public DocSet union(DocSet other)(Code)
	Returns the union of this set with another set. Neither set is modified - a new DocSet is created and returned. a DocSet representing the union

unionSize
public int unionSize(DocSet other)(Code)
	Returns the number of documents of the union of this set with another set. May be more efficient than actually creating the union and then getting it's size.

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