Package org.djutils.data

Class ListTable

java.lang.Object

org.djutils.data.Table

org.djutils.data.ListTable

All Implemented Interfaces:

Iterable<Row>, Identifiable

public class ListTable
extends Table

Table implementation that stores Records in a List.

Copyright (c) 2020-2025 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See DJUTILS License.

Author:

Alexander Verbraeck, Peter Knoppers, Wouter Schakel

Constructor Summary

Constructors

Constructor	Description
ListTable(String id, String description, Collection<Column<?>> columns)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	addRow(Object[] data)	Adds a row to the table.
void	addRow(Map<Column<?>,Object> data)	Adds a row to the table.
void	addRowByColumnIds(Map<String,Object> data)	Adds a row to the table.
boolean	isEmpty()	Returns whether the table is empty.
Iterator<Row>	iterator()

Methods inherited from class org.djutils.data.Table

getColumn, getColumnDataTypes, getColumnDataTypeStrings, getColumnDescriptions, getColumnIds, getColumnNumber, getColumnNumber, getColumns, getDescription, getId, getNumberOfColumns, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

ListTable

public ListTable(String id,
 String description,
 Collection<Column<?>> columns)

Constructor.

Parameters:

id - id

description - description

columns - columns

Method Details

iterator

public Iterator<Row> iterator()

isEmpty

public boolean isEmpty()

Description copied from class: Table

Returns whether the table is empty.

Specified by:

isEmpty in class Table

Returns:

whether the table is empty

addRow

public void addRow(Map<Column<?>,Object> data)

Adds a row to the table.

Parameters:

data - data with values given per column

Throws:

IllegalArgumentException - when the size or data types in the data map do not comply to the columns

addRowByColumnIds

public void addRowByColumnIds(Map<String,Object> data)

Adds a row to the table.

Parameters:

data - data with values given per column id

Throws:

IllegalArgumentException - when the size or data types in the data map do not comply to the columns

addRow

public void addRow(Object[] data)

Adds a row to the table. The order in which the elements in the array are offered should be the same as the order of the columns.

Parameters:

data - row data

Throws:

IllegalArgumentException - when the size, order or data types in the Object[] do not comply to the columns