01: /*
02: * Copyright (c) 2003-2007 JGoodies Karsten Lentzsch. All Rights Reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * o Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * o Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * o Neither the name of JGoodies Karsten Lentzsch nor the names of
15: * its contributors may be used to endorse or promote products derived
16: * from this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20: * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: */
30:
31: package com.jgoodies.validation.tutorial.performance;
32:
33: import java.beans.PropertyChangeEvent;
34:
35: import com.jgoodies.binding.beans.DelayedPropertyChangeHandler;
36: import com.jgoodies.validation.ValidationResult;
37:
38: /**
39: * Executes a given performance sub example with a given delay.
40: * Validates the container using the example's container validator,
41: * and adds the EDT time spent.
42: *
43: * @author Karsten Lentzsch
44: * @version $Revision: 1.7 $
45: */
46: final class ValidationHandlerDelayed extends
47: DelayedPropertyChangeHandler {
48:
49: private final PerformanceSubExample subExample;
50:
51: /**
52: * Constructs a change handler that handles container no changes
53: * with a slight delay, saving unnecessary validation operations.
54: * The validation is performed in the Event-Dispatch-Thread and
55: * and blocks the UI.
56: *
57: * @param subExample provides the container, validator, and result model
58: * @param delay the milliseconds to wait before the delayed property change
59: * will be performed
60: * @param coalesce <code>true</code> to coalesce all pending changes,
61: * <code>false</code> to fire changes with the delay when an update
62: * has been received
63: */
64: ValidationHandlerDelayed(PerformanceSubExample subExample,
65: int delay, boolean coalesce) {
66: super (delay, coalesce);
67: this .subExample = subExample;
68: }
69:
70: @Override
71: public void delayedPropertyChange(PropertyChangeEvent evt) {
72: Container container = subExample.getContainer();
73: ContainerValidator validator = subExample
74: .getContainerValidator();
75: long t0 = System.currentTimeMillis();
76: ValidationResult result = validator.validate(container);
77: long t1 = System.currentTimeMillis();
78: subExample.addTime(t1 - t0);
79: subExample.getValidationResultModel().setResult(result);
80: }
81:
82: }
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