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107 changes: 107 additions & 0 deletions
107
extensions/persist/test/com/google/inject/persist/jpa/TrackedEntityManagerFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| package com.google.inject.persist.jpa; | ||
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| import java.util.Map; | ||
| import javax.persistence.Cache; | ||
| import javax.persistence.EntityGraph; | ||
| import javax.persistence.EntityManager; | ||
| import javax.persistence.EntityManagerFactory; | ||
| import javax.persistence.PersistenceUnitUtil; | ||
| import javax.persistence.Query; | ||
| import javax.persistence.SynchronizationType; | ||
| import javax.persistence.criteria.CriteriaBuilder; | ||
| import javax.persistence.metamodel.Metamodel; | ||
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| /** Proxy EntityManager that adds tracking capabilities, keeping a count of created objects. */ | ||
| class TrackedEntityManagerFactory implements EntityManagerFactory { | ||
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| private final EntityManagerFactory delegate; | ||
| private int entityManagerCreatedCount = 0; | ||
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| public TrackedEntityManagerFactory(EntityManagerFactory delegate) { | ||
| this.delegate = delegate; | ||
| } | ||
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| public boolean hasCreatedSomeEntityManager() { | ||
| return (entityManagerCreatedCount > 0); | ||
| } | ||
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| public int getEntityManagerCreatedCount() { | ||
| return entityManagerCreatedCount; | ||
| } | ||
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| @Override | ||
| public boolean isOpen() { | ||
| return delegate.isOpen(); | ||
| } | ||
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| @Override | ||
| public Map<String, Object> getProperties() { | ||
| return delegate.getProperties(); | ||
| } | ||
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| @Override | ||
| public PersistenceUnitUtil getPersistenceUnitUtil() { | ||
| return delegate.getPersistenceUnitUtil(); | ||
| } | ||
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| @Override | ||
| public Metamodel getMetamodel() { | ||
| return delegate.getMetamodel(); | ||
| } | ||
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| @Override | ||
| public CriteriaBuilder getCriteriaBuilder() { | ||
| return delegate.getCriteriaBuilder(); | ||
| } | ||
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| @Override | ||
| public Cache getCache() { | ||
| return delegate.getCache(); | ||
| } | ||
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| @SuppressWarnings("rawtypes") | ||
| @Override | ||
| public EntityManager createEntityManager(Map arg0) { | ||
| entityManagerCreatedCount++; | ||
| return delegate.createEntityManager(arg0); | ||
| } | ||
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| @Override | ||
| public EntityManager createEntityManager() { | ||
| entityManagerCreatedCount++; | ||
| return delegate.createEntityManager(); | ||
| } | ||
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| @Override | ||
| public EntityManager createEntityManager(SynchronizationType synchronizationType) { | ||
| entityManagerCreatedCount++; | ||
| return delegate.createEntityManager(synchronizationType); | ||
| } | ||
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| @SuppressWarnings("rawtypes") | ||
| @Override | ||
| public EntityManager createEntityManager(SynchronizationType synchronizationType, Map map) { | ||
| entityManagerCreatedCount++; | ||
| return delegate.createEntityManager(synchronizationType, map); | ||
| } | ||
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| @Override | ||
| public void close() { | ||
| delegate.close(); | ||
| } | ||
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| @Override | ||
| public void addNamedQuery(String name, Query query) { | ||
| delegate.addNamedQuery(name, query); | ||
| } | ||
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| @Override | ||
| public <T> T unwrap(Class<T> cls) { | ||
| return delegate.unwrap(cls); | ||
| } | ||
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| @Override | ||
| public <T> void addNamedEntityGraph(String graphName, EntityGraph<T> entityGraph) { | ||
| delegate.addNamedEntityGraph(graphName, entityGraph); | ||
| } | ||
| } |