Examples of javax.jdo.Query.deletePersistentAll()

javax.jdo.Query.deletePersistentAll()
Deletes all the instances of the candidate class that pass the filter. @see #deletePersistentAll() @param parameters for the query @return the number of instances of the candidate class that were deleted @since 2.0

        getPM();
        try {
            pm.currentTransaction().begin();
            Query q = pm.newQuery(PCPoint.class);
            q.setDatastoreWriteTimeoutMillis(timeout);
            q.deletePersistentAll();
            pm.currentTransaction().commit();
            if (!isDatastoreTimeoutSupported()) {
                fail(ASSERTION_FAILED, "Query.setDatastoreWriteTimeoutMillis should throw a " +
                     "JDOUnsupportedOptionException, if datastore timeout is not supported ");
            }

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        try
        {
            tx.begin();


            Query query = pm.newQuery( aClass );
            query.deletePersistentAll();


            tx.commit();
        }
        finally
        {

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    Long curTime = System.currentTimeMillis();
    try {
      openTransaction();
      Query query = pm.newQuery(MPartitionEvent.class,"curTime - eventTime > expiryTime");
      query.declareParameters("java.lang.Long curTime, java.lang.Long expiryTime");
      delCnt = query.deletePersistentAll(curTime, expiryTime);
      commited = commitTransaction();
    }
    finally {
      if (!commited) {
        rollbackTransaction();

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        try
        {
            tx.begin();


            Query query = pm.newQuery( aClass );
            query.deletePersistentAll();


            tx.commit();
        }
        finally
        {

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        try
        {
            tx.begin();


            Query query = pm.newQuery( aClass );
            query.deletePersistentAll();


            tx.commit();
        }
        finally
        {

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        try
        {
            tx.begin();


            Query query = pm.newQuery( aClass );
            query.deletePersistentAll();


            tx.commit();
        }
        finally
        {

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    long t = System.currentTimeMillis();
    PersistenceManager pm = PMF.get().getPersistenceManager();
    long n;
    try {
      Query q = pm.newQuery(Participant.class);
      n = q.deletePersistentAll();
      q.closeAll();


    } finally {
      pm.close();
    }

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    long t = System.currentTimeMillis();
    PersistenceManager pm = PMF.get().getPersistenceManager();
    long n;
    try {
      Query q = pm.newQuery(Opportunity.class);
      n = q.deletePersistentAll();
      q.closeAll();


    } finally {
      pm.close();
    }

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    Long curTime = System.currentTimeMillis();
    try {
      openTransaction();
      Query query = pm.newQuery(MPartitionEvent.class,"curTime - eventTime > expiryTime");
      query.declareParameters("java.lang.Long curTime, java.lang.Long expiryTime");
      delCnt = query.deletePersistentAll(curTime, expiryTime);
      commited = commitTransaction();
    }
    finally {
      if (!commited) {
        rollbackTransaction();

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    log.info(message.toString());


    Query objectsToDeleteQuery = pm.newQuery(type);
    objectsToDeleteQuery.setFilter(fieldName + " == fieldValueParam");
    objectsToDeleteQuery.declareParameters("int fieldValueParam");
    objectsToDeleteQuery.deletePersistentAll(fieldValue);
  }
}

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