edu.ucsb.nceas.metacat

Class QueryGroup

java.lang.Object

edu.ucsb.nceas.metacat.QueryGroup

public class QueryGroup
extends java.lang.Object

a utility class that represents a group of terms in a query

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	INTERSECT
static java.lang.String	UNION

Constructor Summary

Constructors

Constructor and Description
QueryGroup(java.lang.String operator) construct a new QueryGroup

Method Summary

Modifier and Type	Method and Description
void	addChild(QueryGroup qgroup) Add a child QueryGroup to this QueryGroup
void	addChild(QueryTerm qterm) Add a child QueryTerm to this QueryGroup
int	getPercentageSymbolCount()
java.lang.String	printSQL(boolean useXMLIndex, java.util.List<java.lang.Object> parameterValues) create a SQL serialization of the query that this instance represents
java.lang.String	toString() create a String description of the query that this instance represents.

Methods inherited from class java.lang.Object

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

Field Detail

UNION

public static java.lang.String UNION

INTERSECT

public static java.lang.String INTERSECT

Constructor Detail

QueryGroup

public QueryGroup(java.lang.String operator)

construct a new QueryGroup

Parameters:

operator - the boolean conector used to connect query terms in this query group

Method Detail

addChild

public void addChild(QueryGroup qgroup)

Add a child QueryGroup to this QueryGroup

Parameters:

qgroup - the query group to be added to the list of terms

addChild

public void addChild(QueryTerm qterm)

Add a child QueryTerm to this QueryGroup

Parameters:

qterm - the query term to be added to the list of terms

getPercentageSymbolCount

public int getPercentageSymbolCount()

printSQL

public java.lang.String printSQL(boolean useXMLIndex,
                                 java.util.List<java.lang.Object> parameterValues)

create a SQL serialization of the query that this instance represents

toString

public java.lang.String toString()

create a String description of the query that this instance represents. This should become a way to get the XML serialization of the query.

Overrides:

toString in class java.lang.Object