1 /*
2 * Prometheus: Application Framework
3 * Copyright 2012-2026. Tony Washer
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
6 * use this file except in compliance with the License. You may obtain a copy
7 * of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
13 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
14 * License for the specific language governing permissions and limitations under
15 * the License.
16 */
17 package io.github.tonywasher.joceanus.prometheus.ui.fieldset;
18
19 import io.github.tonywasher.joceanus.oceanus.base.OceanusException;
20 import io.github.tonywasher.joceanus.metis.data.MetisDataItem.MetisDataFieldId;
21 import io.github.tonywasher.joceanus.prometheus.exc.PrometheusDataException;
22
23 /**
24 * FieldSetEvent.
25 */
26 public class PrometheusFieldSetEvent {
27 /**
28 * The field.
29 */
30 private final MetisDataFieldId theFieldId;
31
32 /**
33 * The new value.
34 */
35 private final Object theValue;
36
37 /**
38 * Constructor.
39 *
40 * @param pFieldId the source fieldId
41 * @param pNewValue the new Value
42 */
43 public PrometheusFieldSetEvent(final MetisDataFieldId pFieldId,
44 final Object pNewValue) {
45 theFieldId = pFieldId;
46 theValue = pNewValue;
47 }
48
49 /**
50 * Obtain the source field.
51 *
52 * @return the field
53 */
54 public MetisDataFieldId getFieldId() {
55 return theFieldId;
56 }
57
58 /**
59 * Obtain the value.
60 *
61 * @return the value
62 */
63 public Object getValue() {
64 return theValue;
65 }
66
67 /**
68 * Obtain the value as specific type.
69 *
70 * @param <T> the value class
71 * @param pClass the required class
72 * @return the value
73 * @throws OceanusException on error
74 */
75 public <T> T getValue(final Class<T> pClass) throws OceanusException {
76 try {
77 return pClass.cast(theValue);
78 } catch (ClassCastException e) {
79 throw new PrometheusDataException("Invalid dataType", e);
80 }
81 }
82 }