Package org.datanucleus.api

Examples of org.datanucleus.api.ApiAdapter

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    }
  }

  public void testExceptionsJPA_DatastoreFailure() {
    setUpIterator(new DatastoreFailureException("boom"));
    ApiAdapter api = new JPAAdapter();
    RuntimeExceptionWrappingIterator rewi =
        new RuntimeExceptionWrappingIterator(api, iter, observer);
    try {
      rewi.hasNext();
      fail("expected exception");
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    }
  }

  public void testExceptionsJPA_Timeout() {
    setUpIterator(new DatastoreTimeoutException("boom"));
    ApiAdapter api = new JPAAdapter();
    RuntimeExceptionWrappingIterator rewi =
        new RuntimeExceptionWrappingIterator(api, iter, observer);
    try {
      rewi.hasNext();
      fail("expected exception");
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  }
  public void testNoExceptionsJDO() {
    Entity e1 = new Entity("foo");
    Entity e2 = new Entity("foo");
    Entity e3 = new Entity("foo");
    ApiAdapter api = new JDOAdapter();
    RuntimeExceptionWrappingIterator rewi =
        new RuntimeExceptionWrappingIterator(api, Arrays.asList(e1, e2, e3).iterator(), observer);
    int count = 0;
    while (rewi.hasNext()) {
      rewi.next();
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    assertEquals(3, count);
  }

  public void testExceptionsJDO_IllegalArg() {
    setUpIterator(new IllegalArgumentException("boom"));
    ApiAdapter api = new JDOAdapter();
    RuntimeExceptionWrappingIterator rewi =
        new RuntimeExceptionWrappingIterator(api, iter, observer);
    try {
      rewi.hasNext();
      fail("expected exception");
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    }
  }

  public void testExceptionsJDO_DatastoreFailure() {
    setUpIterator(new DatastoreFailureException("boom"));
    ApiAdapter api = new JDOAdapter();
    RuntimeExceptionWrappingIterator rewi =
        new RuntimeExceptionWrappingIterator(api, iter, observer);
    try {
      rewi.hasNext();
      fail("expected exception");
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    }
  }

  public void testExceptionsJDO_Timeout() {
    setUpIterator(new DatastoreTimeoutException("boom"));
    ApiAdapter api = new JDOAdapter();
    RuntimeExceptionWrappingIterator rewi =
        new RuntimeExceptionWrappingIterator(api, iter, observer);
    try {
      rewi.hasNext();
      fail("expected exception");
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      // NoTableManagedException because in some scenarios this isn't really
      // an error and DataNucleus catches it.  If we throw something else we'll
      // get exceptions about java.lang.String not being PersistenceCapable.
      // Really.  I saw it with my own eyes.
      Class cls = clr.classForName(className);
      ApiAdapter api = getApiAdapter();
      if (cls != null && !cls.isInterface() && !api.isPersistable(cls)) {
        throw new NoTableManagedException(
            "Class " + className + " does not seem to have been enhanced.  You may want to rerun "
            + "the enhancer and check for errors in the output.");
      }
      // Some othe problem.  Parent class's inaccurate error message is no
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      // NoTableManagedException because in some scenarios this isn't really
      // an error and DataNucleus catches it.  If we throw something else we'll
      // get exceptions about java.lang.String not being PersistenceCapable.
      // Really.  I saw it with my own eyes.
      Class cls = clr.classForName(className);
      ApiAdapter api = getApiAdapter();
      if (cls != null && !cls.isInterface() && !api.isPersistable(cls)) {
        throw new NoTableManagedException(
            "Class " + className + " does not seem to have been enhanced.  You may want to rerun "
            + "the enhancer and check for errors in the output.");
      }
      // Some othe problem.  Parent class's inaccurate error message is no
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      // NoTableManagedException because in some scenarios this isn't really
      // an error and DataNucleus catches it.  If we throw something else we'll
      // get exceptions about java.lang.String not being PersistenceCapable.
      // Really.  I saw it with my own eyes.
      Class cls = clr.classForName(className);
      ApiAdapter api = getApiAdapter();
      if (cls != null && !cls.isInterface() && !api.isPersistable(cls)) {
        throw new NoTableManagedException(
            "Class " + className + " does not seem to have been enhanced.  You may want to rerun "
            + "the enhancer and check for errors in the output.");
      }
      // Some othe problem.  Parent class's inaccurate error message is no
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    }
    return count;
  }

  protected Key extractElementKey(ObjectManager om, Object element) {
    ApiAdapter apiAdapter = om.getApiAdapter();
    Object id = apiAdapter.getTargetKeyForSingleFieldIdentity(apiAdapter.getIdForObject(element));
    if (id == null) {
      return null;
    }
    // This is a child object so we know the pk is Key or encoded String
    return id instanceof Key ? (Key) id : KeyFactory.stringToKey((String) id);
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Related Classes of org.datanucleus.api.ApiAdapter

  • com.google.appengine.datanucleus.DatastoreManager
  • com.google.appengine.datanucleus.EntityUtils
  • com.google.appengine.datanucleus.query.DatastoreQuery
  • com.google.appengine.datanucleus.query.RuntimeExceptionWrappingIteratorTest
  • com.google.appengine.datanucleus.scostore.FKListStore
  • com.google.appengine.datanucleus.scostore.FKSetStore
  • org.datanucleus.identity.IdentityUtils
  • org.datanucleus.metadata.AbstractClassMetaData
  • org.datanucleus.metadata.AbstractMemberMetaData
  • org.datanucleus.metadata.ArrayMetaData
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