Examples of org.apache.derby.iapi.store.access.KeyHasher

Package org.apache.derby.iapi.store.access

Examples of org.apache.derby.iapi.store.access.KeyHasher

org.apache.derby.iapi.store.access.KeyHasher
Provides the ability to hash on multiple objects.

          {
            hashEntry = ht.get(nextQualifiers[0][0].getOrderable());
          }
          else
          {
            KeyHasher mh = 
                            new KeyHasher(keyColumns.length);


            for (int index = 0; index < keyColumns.length; index++)
            {
                            // RESOLVE (mikem) - will need to change when we
                            // support OR's in qualifiers.
              mh.setObject(
                                index, nextQualifiers[0][index].getOrderable());
            }
            hashEntry = ht.get(mh);
          }

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          {
            hashEntry = hashtable.get(nextQualifiers[0][0].getOrderable());
          }
          else
          {
            KeyHasher mh = new KeyHasher(keyColumns.length);


                        if (SanityManager.DEBUG)
                        {
                            SanityManager.ASSERT(nextQualifiers.length == 1);
                        }


            for (int index = 0; index < keyColumns.length; index++)
            {
                            // For hashing only use the AND qualifiers 
                            // located in nextQualifiers[0][0...N], OR 
                            // qualifiers are checked down a bit by calling
                            // qualifyRow on rows returned from hash.


                            DataValueDescriptor dvd = 
                                nextQualifiers[0][index].getOrderable();


                            if (dvd == null)
                            {
                                mh = null;
                                break;
                            }
              mh.setObject(
                                index, nextQualifiers[0][index].getOrderable());
            }
            hashEntry = (mh == null) ? null : hashtable.get(mh);
          }

View Full Code Here

          {
            hashEntry = hashtable.get(nextQualifiers[0][0].getOrderable());
          }
          else
          {
            KeyHasher mh = new KeyHasher(keyColumns.length);


                        if (SanityManager.DEBUG)
                        {
                            SanityManager.ASSERT(nextQualifiers.length == 1);
                        }


            for (int index = 0; index < keyColumns.length; index++)
            {
                            // For hashing only use the AND qualifiers 
                            // located in nextQualifiers[0][0...N], OR 
                            // qualifiers are checked down a bit by calling
                            // qualifyRow on rows returned from hash.


                            DataValueDescriptor dvd = 
                                nextQualifiers[0][index].getOrderable();


                            if (dvd == null)
                            {
                                mh = null;
                                break;
                            }
              mh.setObject(
                                index, nextQualifiers[0][index].getOrderable());
            }
            hashEntry = (mh == null) ? null : hashtable.get(mh);
          }

View Full Code Here

          {
            hashEntry = ht.get(nextQualifiers[0][0].getOrderable());
          }
          else
          {
            KeyHasher mh = 
                            new KeyHasher(keyColumns.length);


            for (int index = 0; index < keyColumns.length; index++)
            {
                            // RESOLVE (mikem) - will need to change when we
                            // support OR's in qualifiers.
              mh.setObject(
                                index, nextQualifiers[0][index].getOrderable());
            }
            hashEntry = ht.get(mh);
          }

View Full Code Here

          {
            hashEntry = ht.get(nextQualifiers[0][0].getOrderable());
          }
          else
          {
            KeyHasher mh = 
                            new KeyHasher(keyColumns.length);


            for (int index = 0; index < keyColumns.length; index++)
            {
                            // RESOLVE (mikem) - will need to change when we
                            // support OR's in qualifiers.
              mh.setObject(
                                index, nextQualifiers[0][index].getOrderable());
            }
            hashEntry = ht.get(mh);
          }

View Full Code Here

          {
            hashEntry = hashtable.get(nextQualifiers[0][0].getOrderable());
          }
          else
          {
            KeyHasher mh = new KeyHasher(keyColumns.length);


                        if (SanityManager.DEBUG)
                        {
                            SanityManager.ASSERT(nextQualifiers.length == 1);
                        }


            for (int index = 0; index < keyColumns.length; index++)
            {
                            // For hashing only use the AND qualifiers 
                            // located in nextQualifiers[0][0...N], OR 
                            // qualifiers are checked down a bit by calling
                            // qualifyRow on rows returned from hash.


                            DataValueDescriptor dvd = 
                                nextQualifiers[0][index].getOrderable();


                            if (dvd == null)
                            {
                                mh = null;
                                break;
                            }
              mh.setObject(
                                index, nextQualifiers[0][index].getOrderable());
            }
            hashEntry = (mh == null) ? null : hashtable.get(mh);
          }

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