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Viewing changes to src/interfaces/jdbc/org/postgresql/core/BytePoolDim2.java

  • Committer: Bazaar Package Importer
  • Author(s): Arnaud Vandyck
  • Date: 2005-04-21 14:25:11 UTC
  • mfrom: (1.2.1 upstream) (2.1.1 warty)
  • Revision ID: james.westby@ubuntu.com-20050421142511-wibh5vc31fkrorx7
Tags: 7.4.7-3
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src/interfaces/jdbc/org/postgresql/core/BytePoolDim2.java
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package org.postgresql.core;
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public class BytePoolDim2
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{
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        int maxsize = 32;
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        ObjectPool notusemap[] = new ObjectPool[maxsize + 1];
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        ObjectPool inusemap[] = new ObjectPool[maxsize + 1];
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        public BytePoolDim2()
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        {
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                for (int i = 0; i <= maxsize; i++)
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                {
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                        inusemap[i] = new SimpleObjectPool();
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                        notusemap[i] = new SimpleObjectPool();
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                }
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        }
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        public byte[][] allocByte(int size)
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        {
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                // For now until the bug can be removed
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                return new byte[size][0];
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                /*
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                                if (size > maxsize){
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                                return new byte[size][0];
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                        }
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                                ObjectPool not_usel = notusemap[size];
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                                ObjectPool in_usel =  inusemap[size];
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                                byte b[][] = null;
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                                if (!not_usel.isEmpty()) {
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                                Object o = not_usel.remove();
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                                b = (byte[][]) o;
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                        } else
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                                b = new byte[size][0];
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                                in_usel.add(b);
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                                return b;
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                */
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        }
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        public void release(byte[][] b)
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        {
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                if (b.length > maxsize)
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                {
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                        return;
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                }
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                ObjectPool not_usel = notusemap[b.length];
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                ObjectPool in_usel = inusemap[b.length];
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                in_usel.remove(b);
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                not_usel.add(b);
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        }
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        /*
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         * Deallocate the object cache.
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         * PM 17/01/01: Commented out this code as it blows away any hope of
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         * multiple queries on the same connection. I'll redesign the allocation
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         * code to use some form of Statement context, so the buffers are per
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         * Statement and not per Connection/PG_Stream as it is now.
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         */
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        public void deallocate()
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        {
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                //for(int i = 0; i <= maxsize; i++){
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                //        notusemap[i].addAll(inusemap[i]);
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                //        inusemap[i].clear();
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                //}
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        }
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}
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