edu.ucsb.nceas.metacat.advancedsearch

Class AdvancedSearchQueryGroup

java.lang.Object

edu.ucsb.nceas.metacat.advancedsearch.AdvancedSearchQueryGroup

public class AdvancedSearchQueryGroup
extends java.lang.Object

Author:

dcosta AdvancedSearchQueryGroup holds the data needed to produce a valid querygroup string. A querygroup is composed of one or more querygroups and/or queryterms.

Constructor Summary

Constructors

Constructor and Description
AdvancedSearchQueryGroup(java.lang.String operator, java.lang.String indent) Constructor.

Method Summary

Modifier and Type	Method and Description
void	addQueryGroup(AdvancedSearchQueryGroup queryGroup) Adds a AdvancedSearchQueryGroup to this AdvancedSearchQueryGroup's list of querygroups.
void	addQueryTerm(AdvancedSearchQueryTerm queryTerm) Adds a AdvancedSearchQueryTerm to this AdvancedSearchQueryGroup's list of queryterms.
void	setIncludeOuterQueryGroup(boolean b) Sets the boolean value of includeOuterQueryGroup.
java.lang.String	toString() Creates the XML string that represents this AdvancedSearchQueryGroup, including the querygroups and queryterms that are descendants of this querygroup.

Methods inherited from class java.lang.Object

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

Constructor Detail

AdvancedSearchQueryGroup

public AdvancedSearchQueryGroup(java.lang.String operator,
                                java.lang.String indent)

Constructor. Initializes the operator and the indent.

Parameters:

operator - Must be either "INTERSECT" or "UNION"

indent - A string of spaces for indenting the xml output

Method Detail

addQueryGroup

public void addQueryGroup(AdvancedSearchQueryGroup queryGroup)

Adds a AdvancedSearchQueryGroup to this AdvancedSearchQueryGroup's list of querygroups.

Parameters:

queryGroup - The AdvancedSearchQueryGroup object to be added to the list.

addQueryTerm

public void addQueryTerm(AdvancedSearchQueryTerm queryTerm)

Adds a AdvancedSearchQueryTerm to this AdvancedSearchQueryGroup's list of queryterms.

Parameters:

queryTerm - The AdvancedSearchQueryTerm object to be added to the list.

setIncludeOuterQueryGroup

public void setIncludeOuterQueryGroup(boolean b)

Sets the boolean value of includeOuterQueryGroup. This enables an optimization. If the user enter search values for only one part of the advanced search form, then includeOuterQueryGroup can be set to false. When false, the QueryGroup object will omit the outer query group from the PathQuery, resulting in a less nested SQL statement.

Parameters:

b - When false, allows the outer QueryGroup to be stripped off, resulting in a less nested SQL statement.

toString

public java.lang.String toString()

Creates the XML string that represents this AdvancedSearchQueryGroup, including the querygroups and queryterms that are descendants of this querygroup.

Overrides:

toString in class java.lang.Object

Returns:

A XML string fragment representing this querygroup.