com.haulmont.cuba.gui.components.data

Interface AggregatableDataGridItems<E extends Entity>

All Superinterfaces:

DataGridItems<E>, DataUnit

All Known Implementing Classes:

ContainerDataGridItems, ContainerTreeDataGridItems, DatasourceDataGridItems, DatasourceTreeDataGridItems, SortableDatasourceDataGridItems

public interface AggregatableDataGridItems<E extends Entity>
extends DataGridItems<E>

Nested Class Summary

Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.components.data.DataGridItems

DataGridItems.ItemSetChangeEvent<T>, DataGridItems.SelectedItemChangeEvent<T>, DataGridItems.Sortable<T>, DataGridItems.ValueChangeEvent<T>

Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.components.data.DataUnit

DataUnit.StateChangeEvent

Method Summary

Modifier and Type	Method and Description
java.util.Map<AggregationInfo,java.lang.String>	aggregate(AggregationInfo[] aggregationInfos, java.util.Collection<?> itemIds) Perform aggregation and return map with formatted string values.
java.util.Map<AggregationInfo,java.lang.Object>	aggregateValues(AggregationInfo[] aggregationInfos, java.util.Collection<?> itemIds) Perform aggregation and return map with aggregation info and aggregation column type, i.e.

Methods inherited from interface com.haulmont.cuba.gui.components.data.DataGridItems

addItemSetChangeListener, addSelectedItemChangeListener, addValueChangeListener, containsItem, getItem, getItemByIndex, getItemId, getItems, getItems, getSelectedItem, indexOfItem, setSelectedItem, size

Methods inherited from interface com.haulmont.cuba.gui.components.data.DataUnit

addStateChangeListener, getState

Method Detail

aggregate

java.util.Map<AggregationInfo,java.lang.String> aggregate(AggregationInfo[] aggregationInfos,
                                                          java.util.Collection<?> itemIds)

Perform aggregation and return map with formatted string values.

Parameters:

aggregationInfos - aggregation infos

itemIds - collection of item ids

Returns:

map with aggregation info and formatted string values

aggregateValues

java.util.Map<AggregationInfo,java.lang.Object> aggregateValues(AggregationInfo[] aggregationInfos,
                                                                java.util.Collection<?> itemIds)

Perform aggregation and return map with aggregation info and aggregation column type, i.e. if aggregation was performed for Long type column it will return pair: AggregationInfo - Long.

Parameters:

aggregationInfos - aggregation infos

itemIds - collection of item ids

Returns:

map with aggregation info and aggregation column type