com.endeca.portal.data.functions
Class LQLFilter

java.lang.Object
  com.endeca.portal.data.functions.QueryFunction
      com.endeca.portal.data.functions.QueryFilter
          com.endeca.portal.data.functions.LQLFilter

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

ArbitraryLQLASTFilter, RangeFilter

public abstract class LQLFilter
extends QueryFilter

A specialization of QueryFilter that supports LQL unified filters instead of Conversation Service operators. Any filters that support LQL should subclass this class instead of QueryFilter.

Author:

Endeca Technologies, Inc.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.endeca.portal.data.functions.QueryFunction

CLASS_PROPERTY

Constructor Summary

LQLFilter()

Method Summary

void	applyToDiscoveryServiceQuery(com.endeca.mdex.conversation.Request query) Subclasses of LQLFilter must use applyToLQLFilter(LQLFilterCollection) instead of this method.
abstract void	applyToLQLFilter(LQLFilterCollection exprCollection) Adds the LQL filtering clause (aka fragment) produced by this class to the list of all fragments to be applied in order to generate the QueryState.

Methods inherited from class com.endeca.portal.data.functions.QueryFunction

beforeQueryStateAdd, clone, equals, equals, getName, hashCode, initializeFromJSON, setName, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

LQLFilter

public LQLFilter()

Method Detail

applyToLQLFilter

public abstract void applyToLQLFilter(LQLFilterCollection exprCollection)
                               throws QueryFunctionUnsupportedException

Adds the LQL filtering clause (aka fragment) produced by this class to the list of all fragments to be applied in order to generate the QueryState.

Parameters:

exprCollection - the collection of all fragments to be applied

Throws:

QueryFunctionUnsupportedException - if the filter cannot be applied

applyToDiscoveryServiceQuery

public final void applyToDiscoveryServiceQuery(com.endeca.mdex.conversation.Request query)
                                        throws QueryFunctionUnsupportedException

Subclasses of LQLFilter must use applyToLQLFilter(LQLFilterCollection) instead of this method.

Specified by:

applyToDiscoveryServiceQuery in class QueryFunction

Throws:

QueryFunctionUnsupportedException