org.geotools.feature.visitor

Class GroupByVisitorBuilder

Object

GroupByVisitorBuilder

public final class GroupByVisitorBuilder
extends Object

Helper class to help building a valid group by visitor.

A valid group by visitor requires an aggregate attribute, an aggregate visitor and at least one group by attribute.

Constructor Summary

Constructors

Constructor and Description
GroupByVisitorBuilder()

Method Summary

Modifier and Type	Method and Description
GroupByVisitor	build() Create a group by visitor checking that all mandatory values are present.
GroupByVisitorBuilder	withAggregateAttribute(Expression aggregateAttribute)
GroupByVisitorBuilder	withAggregateAttribute(int attributeTypeIndex, SimpleFeatureType type)
GroupByVisitorBuilder	withAggregateAttribute(String attributeName, SimpleFeatureType type)
GroupByVisitorBuilder	withAggregateVisitor(Aggregate aggregateVisitor)
GroupByVisitorBuilder	withAggregateVisitor(String aggregateVisitorName)
GroupByVisitorBuilder	withGroupByAttribute(Expression groupByAttribute)
GroupByVisitorBuilder	withGroupByAttribute(int attributeTypeIndex, SimpleFeatureType type)
GroupByVisitorBuilder	withGroupByAttribute(String attributeName, SimpleFeatureType type)
GroupByVisitorBuilder	withGroupByAttributes(Collection<String> attributesNames, SimpleFeatureType type)
GroupByVisitorBuilder	withProgressListener(ProgressListener progressListener)

Methods inherited from class Object

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

Constructor Detail

GroupByVisitorBuilder

public GroupByVisitorBuilder()

Method Detail

withAggregateAttribute

public GroupByVisitorBuilder withAggregateAttribute(int attributeTypeIndex,
                                                    SimpleFeatureType type)

withAggregateAttribute

public GroupByVisitorBuilder withAggregateAttribute(String attributeName,
                                                    SimpleFeatureType type)

withAggregateAttribute

public GroupByVisitorBuilder withAggregateAttribute(Expression aggregateAttribute)

withAggregateVisitor

public GroupByVisitorBuilder withAggregateVisitor(Aggregate aggregateVisitor)

withAggregateVisitor

public GroupByVisitorBuilder withAggregateVisitor(String aggregateVisitorName)

withGroupByAttribute

public GroupByVisitorBuilder withGroupByAttribute(int attributeTypeIndex,
                                                  SimpleFeatureType type)

withGroupByAttribute

public GroupByVisitorBuilder withGroupByAttribute(String attributeName,
                                                  SimpleFeatureType type)

withGroupByAttributes

public GroupByVisitorBuilder withGroupByAttributes(Collection<String> attributesNames,
                                                   SimpleFeatureType type)

withGroupByAttribute

public GroupByVisitorBuilder withGroupByAttribute(Expression groupByAttribute)

withProgressListener

public GroupByVisitorBuilder withProgressListener(ProgressListener progressListener)

build

public GroupByVisitor build()

Create a group by visitor checking that all mandatory values are present.

Returns:

a new group by visitor