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package org.apache.tapestry.enhance; |
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import javassist.CtClass; |
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import org.apache.hivemind.ApplicationRuntimeException; |
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import org.apache.hivemind.service.ClassFab; |
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import org.apache.hivemind.service.ClassFactory; |
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import org.apache.hivemind.service.InterfaceFab; |
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import org.apache.tapestry.event.ResetEventListener; |
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27 | 0 | public class ClassFactoryImpl implements ClassFactory, ResetEventListener { |
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static final int EXPIRED_CLASS_COUNT = 120; |
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34 | 0 | private HiveMindClassPool _pool = new HiveMindClassPool(); |
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36 | 0 | private CtClassSource _classSource = new CtClassSource(_pool); |
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38 | 0 | int _classCounter = 0; |
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public ClassFab newClass(String name, Class superClass) |
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{ |
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try |
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{ |
44 | 0 | checkPoolExpiration(); |
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46 | 0 | CtClass ctNewClass = _classSource.newClass(name, superClass); |
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48 | 0 | return new ClassFabImpl(_classSource, ctNewClass); |
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} |
50 | 0 | catch (Exception ex) |
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{ |
52 | 0 | throw new ApplicationRuntimeException(EnhanceMessages.unableToCreateClass(name, superClass, ex), ex); |
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} |
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} |
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public InterfaceFab newInterface(String name) |
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{ |
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try |
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{ |
62 | 0 | checkPoolExpiration(); |
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64 | 0 | CtClass ctNewClass = _classSource.newInterface(name); |
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66 | 0 | return new InterfaceFabImpl(_classSource, ctNewClass); |
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} |
68 | 0 | catch (Exception ex) |
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{ |
70 | 0 | throw new ApplicationRuntimeException(EnhanceMessages.unableToCreateInterface(name, ex), ex); |
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} |
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} |
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public void resetEventDidOccur() |
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{ |
77 | 0 | if (_classCounter >= EXPIRED_CLASS_COUNT) |
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{ |
79 | 0 | _classCounter = 0; |
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81 | 0 | _pool = new HiveMindClassPool(); |
82 | 0 | _classSource.setPool(_pool); |
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} |
84 | 0 | } |
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void checkPoolExpiration() |
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{ |
88 | 0 | _classCounter++; |
89 | 0 | } |
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} |