Examples of org.apache.derby.iapi.sql.depend.Provider

Package org.apache.derby.iapi.sql.depend

Examples of org.apache.derby.iapi.sql.depend.Provider

org.apache.derby.iapi.sql.depend.Provider
A provider is an object that others can build dependencies on. Providers can themselves also be dependents and thus be invalid/revalidated in turn. Revalidating a provider may, as a side-effect, re-validate its dependents -- it is up to the implementation to determine the appropriate action.

    /* Create stored dependencies for each provider */
    if (providerInfo != null)
    {
      for (int ix = 0; ix < providerInfo.length; ix++)
      {
        Provider provider = null;
  
        /* We should always be able to find the Provider */
          provider = (Provider) providerInfo[ix].
                      getDependableFinder().
                        getDependable(dd,

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              lcc.popCompilerContext(newCC);


              boolean    interferent = false;
              for (int i = 0; i < providerInfos.length; i++)
              {
                Provider provider = null;
                  provider = (Provider) providerInfos[i].
                          getDependableFinder().
                          getDependable(dd,
                          providerInfos[i].getObjectId());
                if (provider instanceof TableDescriptor)

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    ** We make 2 passes - the first to count the number of persistent
     ** providers and the second to populate the array of ProviderInfos.
    */
    while (e != null && e.hasMoreElements())
    {
      Provider prov = (Provider) e.nextElement();


      if (prov.isPersistent())
      {
        numProviders++;
      }
    }


    e = pl.elements();
    retval = new ProviderInfo[numProviders];
    int piCtr = 0;
    while (e != null && e.hasMoreElements())
    {
      Provider prov = (Provider) e.nextElement();


      if (prov.isPersistent())
      {
        retval[piCtr++] = new BasicProviderInfo(
                  prov.getObjectID(),
                  prov.getDependableFinder(),
                  prov.getObjectName()
                  );
      }
    }


    return retval;

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          throws StandardException
  {
    Enumeration e = pl.elements();
    while (e.hasMoreElements())
    {
      Provider pro = (Provider) e.nextElement();
      if (pro instanceof TableDescriptor)
        ((TableDescriptor) pro).setReferencedColumnMap(null);
    }
  }

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    if (list == null)
      return;


    for (ListIterator depsIterator = list.listIterator(); depsIterator.hasNext(); ) 
    {
      Provider provider = ((Dependency) depsIterator.next()).getProvider();
        
      if (!persistentOnly || provider.isPersistent())
      {
        this.addDependency(copyTo, provider, cm, tc);
      }
    }
  }

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       */
      for (ListIterator depsIterator = storedList.listIterator();
         depsIterator.hasNext(); ) 
      {
        Dependent       tempD;
        Provider        tempP;
        DependableFinder  finder = null;


        DependencyDescriptor depDesc = (DependencyDescriptor) depsIterator.next();


          finder = depDesc.getDependentFinder();
          tempD = (Dependent) finder.getDependable(dd, depDesc.getUUID() );


          if (providerForList != null)
          {
            // Use the provider being passed in.
            tempP = providerForList;
            
            // Sanity check the object identifiers match.
            if (SanityManager.DEBUG) {
              if (!tempP.getObjectID().equals(depDesc.getProviderID()))
              {
                SanityManager.THROWASSERT("mismatch providers");
              }
            }
          }

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     *
     * @exception StandardException  Standard error policy.
     */
  public QueryTreeNode bind( HashMap dependencies, List grantees, boolean isGrant ) throws StandardException
  {
        Provider dependencyProvider = null;
        SchemaDescriptor sd = null;
    
        switch( objectType)
        {
        case TABLE_PRIVILEGES:

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              lcc.popCompilerContext(newCC);


              boolean    interferent = false;
              for (int i = 0; i < providerInfos.length; i++)
              {
                Provider provider = null;
                try
                {
                  provider = (Provider) providerInfos[i].
                          getDependableFinder().
                          getDependable(

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    ** We make 2 passes - the first to count the number of persistent
     ** providers and the second to populate the array of ProviderInfos.
    */
    while (e != null && e.hasMoreElements())
    {
      Provider prov = (Provider) e.nextElement();


      if (prov.isPersistent())
      {
        numProviders++;
      }
    }


    e = pl.elements();
    retval = new ProviderInfo[numProviders];
    int piCtr = 0;
    while (e != null && e.hasMoreElements())
    {
      Provider prov = (Provider) e.nextElement();


      if (prov.isPersistent())
      {
        retval[piCtr++] = new BasicProviderInfo(
                  prov.getObjectID(),
                  prov.getDependableFinder(),
                  prov.getObjectName()
                  );
      }
    }


    return retval;

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          throws StandardException
  {
    Enumeration e = pl.elements();
    while (e.hasMoreElements())
    {
      Provider pro = (Provider) e.nextElement();
      if (pro instanceof TableDescriptor)
        ((TableDescriptor) pro).setReferencedColumnMap(null);
    }
  }

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