ufltokenmanager.java

High performance DB query

/* Generated By:JavaCC: Do not edit this line. UFLTokenManager.java */
/*
 * @(#)$Id: UFLTokenManager.java,v 1.31 2005/07/18 04:03:36 huebsch Exp $
 *
 * Copyright (c) 2001-2003 Regents of the University of California.
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached BERKELEY-LICENSE
 * file. If you do not find these files, copies can be found by writing to:
 * Computer Science Division, Database Group, Universite of California,
 * 617 Soda Hall #1776, Berkeley, CA 94720-1776. Attention: Berkeley License
 *
 * Copyright (c) 2003 Intel Corporation. All rights reserved.
 *
 * This file is distributed under the terms in the attached INTEL-LICENSE file.
 * If you do not find these files, copies can be found by writing to:
 * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300,
 * Berkeley, CA, 94704.  Attention:  Intel License Inquiry.
 */

package pier.parsers.UFL;
import java.lang.reflect.Constructor;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.HashMap;
import org.apache.log4j.Logger;
import pier.expressions.Expression;
import pier.expressions.ExpressionConstant;
import pier.expressions.ExpressionField;
import pier.expressions.ExpressionFunction;
import pier.operators.Bloom;
import pier.operators.Cache;
import pier.operators.DupElim;
import pier.operators.Eddy;
import pier.operators.FlowControl;
import pier.operators.Get;
import pier.operators.GroupBy;
import pier.operators.Join;
import pier.operators.Null;
import pier.operators.Operator;
import pier.operators.Projection;
import pier.operators.Put;
import pier.operators.Queue;
import pier.operators.Result;
import pier.operators.Scan;
import pier.operators.Selection;
import pier.operators.Tee;
import pier.operators.Union;
import pier.parsers.ParseException;
import pier.parsers.Parser;
import pier.parsers.SimpleCharStream;
import pier.parsers.Token;
import pier.parsers.TokenMgrError;
import pier.predicate.ConjunctivePredicateSet;
import pier.predicate.DisjunctivePredicateSet;
import pier.predicate.SimplePredicate;
import pier.predicate.SimplePredicateAtomic;
import pier.query.OperatorGraph;
import pier.query.OperatorGraphEntry;
import pier.query.QueryPlan;
import pier.query.QueryTag;
import pier.query.PhysicalQueryPlan;
import services.Output;
import util.logging.LogMessage;

public class UFLTokenManager implements UFLConstants
{
  public  java.io.PrintStream debugStream = System.out;
  public  void setDebugStream(java.io.PrintStream ds) { debugStream = ds; }
private final int jjStopStringLiteralDfa_2(int pos, long active0)
{
   switch (pos)
   {
      default :
         return -1;
   }
}
private final int jjStartNfa_2(int pos, long active0)
{
   return jjMoveNfa_2(jjStopStringLiteralDfa_2(pos, active0), pos + 1);
}
private final int jjStopAtPos(int pos, int kind)
{
   jjmatchedKind = kind;
   jjmatchedPos = pos;
   return pos + 1;
}
private final int jjStartNfaWithStates_2(int pos, int kind, int state)
{
   jjmatchedKind = kind;
   jjmatchedPos = pos;
   try { curChar = input_stream.readChar(); }
   catch(java.io.IOException e) { return pos + 1; }
   return jjMoveNfa_2(state, pos + 1);
}
private final int jjMoveStringLiteralDfa0_2()
{
   switch(curChar)
   {
      case 34:
         jjmatchedKind = 27;
         return jjMoveStringLiteralDfa1_2(0x1000000L);
      default :
         return jjMoveNfa_2(0, 0);
   }
}
private final int jjMoveStringLiteralDfa1_2(long active0)
{
   try { curChar = input_stream.readChar(); }
   catch(java.io.IOException e) {
      jjStopStringLiteralDfa_2(0, active0);
      return 1;
   }
   switch(curChar)
   {
      case 36:
         if ((active0 & 0x1000000L) != 0L)
            return jjStopAtPos(1, 24);
         break;
      default :
         break;
   }
   return jjStartNfa_2(0, active0);
}
private final void jjCheckNAdd(int state)
{
   if (jjrounds[state] != jjround)
   {
      jjstateSet[jjnewStateCnt++] = state;
      jjrounds[state] = jjround;
   }
}
private final void jjAddStates(int start, int end)
{
   do {
      jjstateSet[jjnewStateCnt++] = jjnextStates[start];
   } while (start++ != end);
}
private final void jjCheckNAddTwoStates(int state1, int state2)
{
   jjCheckNAdd(state1);
   jjCheckNAdd(state2);
}
private final void jjCheckNAddStates(int start, int end)
{
   do {
      jjCheckNAdd(jjnextStates[start]);
   } while (start++ != end);
}
private final void jjCheckNAddStates(int start)
{
   jjCheckNAdd(jjnextStates[start]);
   jjCheckNAdd(jjnextStates[start + 1]);
}
static final long[] jjbitVec0 = {
   0x0L, 0x0L, 0xffffffffffffffffL, 0xffffffffffffffffL
};
private final int jjMoveNfa_2(int startState, int curPos)
{
   int[] nextStates;
   int startsAt = 0;
   jjnewStateCnt = 19;
   int i = 1;
   jjstateSet[0] = startState;
   int j, kind = 0x7fffffff;
   for (;;)
   {
      if (++jjround == 0x7fffffff)
         ReInitRounds();
      if (curChar < 64)
      {
         long l = 1L << curChar;
         MatchLoop: do
         {
            switch(jjstateSet[--i])
            {
               case 0:
                  if ((0xfffffffeffffffffL & l) != 0L)
                  {
                     if (kind > 28)
                        kind = 28;
                  }
                  if ((0x3ffe40000000000L & l) != 0L)
                  {
                     if (kind > 26)
                        kind = 26;
                     jjCheckNAdd(10);
                  }
                  break;
               case 1:
                  if ((0x3ff000000000000L & l) != 0L)
                     jjstateSet[jjnewStateCnt++] = 2;
                  break;
               case 2:
                  if ((0x3ff000000000000L & l) != 0L)
                     jjstateSet[jjnewStateCnt++] = 3;
                  break;
               case 3:
                  if ((0x3ff000000000000L & l) != 0L)
                     jjstateSet[jjnewStateCnt++] = 4;
                  break;
               case 4:
                  if ((0x3ff000000000000L & l) == 0L)
                     break;
                  if (kind > 19)
                     kind = 19;
                  jjstateSet[jjnewStateCnt++] = 5;
                  break;
               case 5:
                  if (curChar == 36 && kind > 19)
                     kind = 19;
                  break;
               case 7:
                  if (curChar == 36 && kind > 23)
                     kind = 23;
                  break;
               case 9:
                  if (curChar == 36 && kind > 25)
                     kind = 25;
                  break;
               case 10:
                  if ((0x3ffe40000000000L & l) == 0L)
                     break;
                  if (kind > 26)
                     kind = 26;
                  jjCheckNAdd(10);
                  break;
               case 11:
                  if ((0xfffffffeffffffffL & l) != 0L && kind > 28)
                     kind = 28;
                  break;
               case 14:
                  if (curChar == 36 && kind > 20)
                     kind = 20;
                  break;
               case 16:
                  if (curChar == 36 && kind > 21)
                     kind = 21;
                  break;
               case 18:
                  if (curChar == 36 && kind > 22)
                     kind = 22;
                  break;
               default : break;
            }
         } while(i != startsAt);
      }
      else if (curChar < 128)
      {
         long l = 1L << (curChar & 077);
         MatchLoop: do
         {
            switch(jjstateSet[--i])
            {
               case 0:
                  if (kind > 28)
                     kind = 28;
                  if ((0x7fffffe87fffffeL & l) != 0L)
                  {
                     if (kind > 26)
                        kind = 26;
                     jjCheckNAdd(10);
                  }
                  else if (curChar == 92)
                  {
                     if (kind > 23)
                        kind = 23;
                     jjstateSet[jjnewStateCnt++] = 7;
                  }
                  if (curChar == 113)
                     jjAddStates(0, 2);
                  else if (curChar == 110)
                  {
                     if (kind > 25)
                        kind = 25;
                     jjstateSet[jjnewStateCnt++] = 9;
                  }
                  else if (curChar == 117)
                     jjstateSet[jjnewStateCnt++] = 1;
                  break;
               case 1:
                  if ((0x7e0000007eL & l) != 0L)
                     jjstateSet[jjnewStateCnt++] = 2;
                  break;
               case 2:
                  if ((0x7e0000007eL & l) != 0L)
                     jjstateSet[jjnewStateCnt++] = 3;
                  break;
               case 3:
                  if ((0x7e0000007eL & l) != 0L)
                     jjstateSet[jjnewStateCnt++] = 4;
                  break;
               case 4:
                  if ((0x7e0000007eL & l) == 0L)
                     break;
                  if (kind > 19)
                     kind = 19;
                  jjstateSet[jjnewStateCnt++] = 5;
                  break;
               case 6:
                  if (curChar != 92)
                     break;
                  if (kind > 23)
                     kind = 23;
                  jjstateSet[jjnewStateCnt++] = 7;
                  break;
               case 8:
                  if (curChar != 110)
                     break;
                  if (kind > 25)
                     kind = 25;
                  jjstateSet[jjnewStateCnt++] = 9;
                  break;
               case 10:
                  if ((0x7fffffe87fffffeL & l) == 0L)
                     break;
                  if (kind > 26)
                     kind = 26;
                  jjCheckNAdd(10);
                  break;
               case 11:
                  if (kind > 28)
                     kind = 28;
                  break;
               case 12:
                  if (curChar == 113)
                     jjAddStates(0, 2);
                  break;
               case 13:
                  if (curChar != 105)
                     break;
                  if (kind > 20)
                     kind = 20;
                  jjstateSet[jjnewStateCnt++] = 14;
                  break;
               case 15:
                  if (curChar != 116)
                     break;
                  if (kind > 21)
                     kind = 21;
                  jjstateSet[jjnewStateCnt++] = 16;
                  break;
               case 17:
                  if (curChar != 97)
                     break;
                  if (kind > 22)
                     kind = 22;
                  jjstateSet[jjnewStateCnt++] = 18;
                  break;
               default : break;
            }
         } while(i != startsAt);
      }
      else
      {
         int i2 = (curChar & 0xff) >> 6;
         long l2 = 1L << (curChar & 077);
         MatchLoop: do
         {
            switch(jjstateSet[--i])
            {
               case 0:
                  if ((jjbitVec0[i2] & l2) != 0L && kind > 28)
                     kind = 28;
                  break;
               default : break;
            }
         } while(i != startsAt);
      }
      if (kind != 0x7fffffff)
      {
         jjmatchedKind = kind;
         jjmatchedPos = curPos;
         kind = 0x7fffffff;
      }
      ++curPos;
      if ((i = jjnewStateCnt) == (startsAt = 19 - (jjnewStateCnt = startsAt)))
         return curPos;
      try { curChar = input_stream.readChar(); }
      catch(java.io.IOException e) { return curPos; }
   }
}
private final int jjStopStringLiteralDfa_1(int pos, long active0)
{
   switch (pos)
   {
      default :
         return -1;
   }
}
private final int jjStartNfa_1(int pos, long active0)
{
   return jjMoveNfa_1(jjStopStringLiteralDfa_1(pos, active0), pos + 1);
}
private final int jjStartNfaWithStates_1(int pos, int kind, int state)
{
   jjmatchedKind = kind;
   jjmatchedPos = pos;
   try { curChar = input_stream.readChar(); }
   catch(java.io.IOException e) { return pos + 1; }
   return jjMoveNfa_1(state, pos + 1);
}
private final int jjMoveStringLiteralDfa0_1()
{
   switch(curChar)
   {
      case 34:
         return jjStopAtPos(0, 18);
      case 92:
         return jjStopAtPos(0, 17);
      default :
         return jjMoveNfa_1(1, 0);
   }
}
private final int jjMoveNfa_1(int startState, int curPos)
{
   int[] nextStates;
   int startsAt = 0;
   jjnewStateCnt = 4;
   int i = 1;
   jjstateSet[0] = startState;
   int j, kind = 0x7fffffff;
   for (;;)
   {
      if (++jjround == 0x7fffffff)
         ReInitRounds();