no.sesat.search.query.token
Class EvaluationState

java.lang.Object
  no.sesat.search.query.token.EvaluationState

All Implemented Interfaces:

Serializable, TokenEvaluationEngine.State

public class EvaluationState
extends Object
implements TokenEvaluationEngine.State

Default implementation of TokenEvaluationEngine.State.

Version:

$Id$

See Also:

Serialized Form

Constructor Summary

EvaluationState(Clause clause)

EvaluationState(String term, Set<TokenPredicate> known, Set<TokenPredicate> possible)
Creates a new instance of EvaluationState

Method Summary

Set<TokenPredicate>	getKnownPredicates() known matching predicates.
Set<TokenPredicate>	getPossiblePredicates() possible matching predicates.
Query	getQuery() the current query, or null if in term-evaluation mode.
String	getTerm() the current clause's term, or null if in query-evaluation mode.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EvaluationState

public EvaluationState(String term,
                       Set<TokenPredicate> known,
                       Set<TokenPredicate> possible)

Creates a new instance of EvaluationState

Parameters:

term -

known -

possible -

EvaluationState

public EvaluationState(Clause clause)

Method Detail

getTerm

public String getTerm()

Description copied from interface: TokenEvaluationEngine.State

the current clause's term, or null if in query-evaluation mode. *

Specified by:

getTerm in interface TokenEvaluationEngine.State

Returns:

getQuery

public Query getQuery()

Description copied from interface: TokenEvaluationEngine.State

the current query, or null if in term-evaluation mode. *

Specified by:

getQuery in interface TokenEvaluationEngine.State

Returns:

getKnownPredicates

public Set<TokenPredicate> getKnownPredicates()

Description copied from interface: TokenEvaluationEngine.State

known matching predicates. by making this available performance is improved. *

Specified by:

getKnownPredicates in interface TokenEvaluationEngine.State

Returns:

getPossiblePredicates

public Set<TokenPredicate> getPossiblePredicates()

Description copied from interface: TokenEvaluationEngine.State

possible matching predicates. by making this available performance is improved. *

Specified by:

getPossiblePredicates in interface TokenEvaluationEngine.State

Returns: