01: /*
02: * ============================================================================
03: * GNU Lesser General Public License
04: * ============================================================================
05: *
06: * JasperReports - Free Java report-generating library.
07: * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
08: *
09: * This library is free software; you can redistribute it and/or
10: * modify it under the terms of the GNU Lesser General Public
11: * License as published by the Free Software Foundation; either
12: * version 2.1 of the License, or (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17: * Lesser General Public License for more details.
18: *
19: * You should have received a copy of the GNU Lesser General Public
20: * License along with this library; if not, write to the Free Software
21: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22: *
23: * JasperSoft Corporation
24: * 303 Second Street, Suite 450 North
25: * San Francisco, CA 94107
26: * http://www.jaspersoft.com
27: */
28: package net.sf.jasperreports.engine;
29:
30: import net.sf.jasperreports.engine.design.JRVerifier;
31:
32: /**
33: * Datasets are used to represent the actual data needed to generate a chart. The dataset structure may vary with each chart type. This
34: * is the superinterface for all datasets and contains common dataset properties.
35: * @author Teodor Danciu (teodord@users.sourceforge.net)
36: * @version $Id: JRChartDataset.java 1393 2006-09-05 22:04:21Z bklawans $
37: */
38: public interface JRChartDataset extends JRElementDataset {
39: public static final byte PIE_DATASET = 1;
40: public static final byte CATEGORY_DATASET = 2;
41: public static final byte XY_DATASET = 3;
42: public static final byte XYZ_DATASET = 4;
43: public static final byte TIMEPERIOD_DATASET = 5;
44: public static final byte TIMESERIES_DATASET = 6;
45: public static final byte HIGHLOW_DATASET = 7;
46: public static final byte VALUE_DATASET = 8;
47:
48: /**
49: * Gets the dataset type. Must be one of the dataset type constants defined in this class.
50: */
51: public byte getDatasetType();
52:
53: /**
54: * Validates the dataset using a verifier.
55: * <p>
56: * Broken rules are collected by the verifier.
57: * </p>
58: *
59: * @param verifier the verifier to use for validation
60: */
61: public void validate(JRVerifier verifier);
62:
63: }
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