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20 package org.apache.myfaces.cdi.view;
21
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23 import javax.enterprise.context.spi.Contextual;
24 import javax.enterprise.context.spi.CreationalContext;
25 import javax.enterprise.inject.spi.BeanManager;
26 import javax.enterprise.inject.spi.PassivationCapable;
27 import java.io.Serializable;
28 import java.util.HashMap;
29 import java.util.Map;
30 import javax.enterprise.inject.spi.Bean;
31 import javax.faces.context.FacesContext;
32 import org.apache.myfaces.cdi.util.CDIUtils;
33 import org.apache.myfaces.cdi.util.ContextualInstanceInfo;
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40
41 public class ViewScopeContextualStorage implements Serializable
42 {
43 private static final long serialVersionUID = 1L;
44
45 private final Map<Object, ContextualInstanceInfo<?>> contextualInstances;
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47 private final Map<String, Object> nameBeanKeyMap;
48
49 private transient BeanManager beanManager;
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51 private transient volatile boolean deactivated;
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56 public ViewScopeContextualStorage(BeanManager beanManager)
57 {
58 this.beanManager = beanManager;
59 contextualInstances = new HashMap<Object, ContextualInstanceInfo<?>>();
60 nameBeanKeyMap = new HashMap<String, Object>();
61 deactivated = false;
62 }
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67 public Map<Object, ContextualInstanceInfo<?>> getStorage()
68 {
69 return contextualInstances;
70 }
71
72 public Map<String, Object> getNameBeanKeyMap()
73 {
74 return nameBeanKeyMap;
75 }
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84 public <T> T createContextualInstance(Contextual<T> bean, CreationalContext<T> creationalContext)
85 {
86 Object beanKey = getBeanKey(bean);
87
88
89 ContextualInstanceInfo<T> instanceInfo = new ContextualInstanceInfo<T>();
90 instanceInfo.setCreationalContext(creationalContext);
91 instanceInfo.setContextualInstance(bean.create(creationalContext));
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93 contextualInstances.put(beanKey, instanceInfo);
94 if(bean instanceof Bean)
95 {
96 String name = ((Bean<T>) bean).getName();
97 if (name != null)
98 {
99 nameBeanKeyMap.put(name, beanKey);
100 }
101 }
102
103 return instanceInfo.getContextualInstance();
104 }
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112 public <T> Object getBeanKey(Contextual<T> bean)
113 {
114 return ((PassivationCapable) bean).getId();
115 }
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121 public Contextual<?> getBean(FacesContext context, Object beanKey)
122 {
123 if (beanManager == null)
124 {
125 beanManager = CDIUtils.getBeanManager(context.getExternalContext());
126 }
127 return beanManager.getPassivationCapableBean((String) beanKey);
128 }
129
130 public boolean isActive()
131 {
132 return !deactivated;
133 }
134
135 public void deactivate()
136 {
137 deactivated = true;
138 }
139 }