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/*
* COPIED FROM APACHE LUCENE 4.7.2
*
* Git URL: [email protected]:apache/lucene.git, tag: releases/lucene-solr/4.7.2, path: lucene/core/src/java
*
* (see https://issues.apache.org/jira/browse/OAK-10786 for details)
*/
package org.apache.lucene.util.automaton;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// The following code was generated with the moman/finenight pkg
// This package is available under the MIT License, see NOTICE.txt
// for more details.
import org.apache.lucene.util.automaton.LevenshteinAutomata.ParametricDescription;
/** Parametric description for generating a Levenshtein automaton of degree 2 */
class Lev2ParametricDescription extends ParametricDescription {
@Override
int transition(int absState, int position, int vector) {
// null absState should never be passed in
assert absState != -1;
// decode absState -> state, offset
int state = absState/(w+1);
int offset = absState%(w+1);
assert offset >= 0;
if (position == w) {
if (state < 3) {
final int loc = vector * 3 + state;
offset += unpack(offsetIncrs0, loc, 1);
state = unpack(toStates0, loc, 2)-1;
}
} else if (position == w-1) {
if (state < 5) {
final int loc = vector * 5 + state;
offset += unpack(offsetIncrs1, loc, 1);
state = unpack(toStates1, loc, 3)-1;
}
} else if (position == w-2) {
if (state < 11) {
final int loc = vector * 11 + state;
offset += unpack(offsetIncrs2, loc, 2);
state = unpack(toStates2, loc, 4)-1;
}
} else if (position == w-3) {
if (state < 21) {
final int loc = vector * 21 + state;
offset += unpack(offsetIncrs3, loc, 2);
state = unpack(toStates3, loc, 5)-1;
}
} else if (position == w-4) {
if (state < 30) {
final int loc = vector * 30 + state;
offset += unpack(offsetIncrs4, loc, 3);
state = unpack(toStates4, loc, 5)-1;
}
} else {
if (state < 30) {
final int loc = vector * 30 + state;
offset += unpack(offsetIncrs5, loc, 3);
state = unpack(toStates5, loc, 5)-1;
}
}
if (state == -1) {
// null state
return -1;
} else {
// translate back to abs
return state*(w+1)+offset;
}
}
// 1 vectors; 3 states per vector; array length = 3
private final static long[] toStates0 = new long[] /*2 bits per value */ {
0x23L
};
private final static long[] offsetIncrs0 = new long[] /*1 bits per value */ {
0x0L
};
// 2 vectors; 5 states per vector; array length = 10
private final static long[] toStates1 = new long[] /*3 bits per value */ {
0x13688b44L
};
private final static long[] offsetIncrs1 = new long[] /*1 bits per value */ {
0x3e0L
};
// 4 vectors; 11 states per vector; array length = 44
private final static long[] toStates2 = new long[] /*4 bits per value */ {
0x26a09a0a0520a504L,0x2323523321a260a2L,0x354235543213L
};
private final static long[] offsetIncrs2 = new long[] /*2 bits per value */ {
0x5555520280000800L,0x555555L
};
// 8 vectors; 21 states per vector; array length = 168
private final static long[] toStates3 = new long[] /*5 bits per value */ {
0x380e014a051404L,0xe28245009451140L,0x8a26880098a6268cL,0x180a288ca0246213L,
0x494053284a1080e1L,0x510265a89c311940L,0x4218c41188a6509cL,0x6340c4211c4710dL,
0xa168398471882a12L,0x104c841c683a0425L,0x3294472904351483L,0xe6290620a84a20d0L,
0x1441a0ea2896a4a0L,0x32L
};
private final static long[] offsetIncrs3 = new long[] /*2 bits per value */ {
0x33300230c0000800L,0x220ca080a00fc330L,0x555555f832823380L,0x5555555555555555L,
0x5555555555555555L,0x5555L
};
// 16 vectors; 30 states per vector; array length = 480
private final static long[] toStates4 = new long[] /*5 bits per value */ {
0x380e014a051404L,0xaa015452940L,0x55014501000000L,0x1843ddc771085c07L,
0x7141200040108405L,0x52b44004c5313460L,0x401080200063115cL,0x85314c4d181c5048L,
0x1440190a3e5c7828L,0x28a232809100a21L,0xa028ca2a84203846L,0xca0240010800108aL,
0xc7b4205c1580a508L,0x1021090251846b6L,0x4cb513862328090L,0x210863128ca2b8a2L,
0x4e188ca024402940L,0xa6b6c7c520532d4L,0x8c41101451150219L,0xa0c4211c4710d421L,
0x2108421094e15063L,0x8f13c43708631044L,0x18274d908c611631L,0x1cc238c411098263L,
0x450e3a1d0212d0b4L,0x31050242048108c6L,0xfa318b42d07308eL,0xa8865182356907c6L,
0x1ca410d4520c4140L,0x2954e13883a0ca51L,0x3714831044229442L,0x93946116b58f2c84L,
0xc41109a5631a574dL,0x1d4512d4941cc520L,0x52848294c643883aL,0xb525073148310502L,
0xa5356939460f7358L,0x409ca651L
};
private final static long[] offsetIncrs4 = new long[] /*3 bits per value */ {
0x20c0600000010000L,0x2000040000000001L,0x209204a40209L,0x301b6c0618018618L,
0x207206186000186cL,0x1200061b8e06dc0L,0x480492080612010L,0xa20204a040048000L,
0x1061a0000129124L,0x1848349b680612L,0xd26da0204a041868L,0x2492492492496128L,
0x9249249249249249L,0x4924924924924924L,0x2492492492492492L,0x9249249249249249L,
0x4924924924924924L,0x2492492492492492L,0x9249249249249249L,0x4924924924924924L,
0x2492492492492492L,0x9249249249249249L,0x24924924L
};
// 32 vectors; 30 states per vector; array length = 960
private final static long[] toStates5 = new long[] /*5 bits per value */ {
0x380e014a051404L,0xaa015452940L,0x8052814501000000L,0xb80a515450000e03L,
0x5140410842108426L,0x71dc421701c01540L,0x100421014610f7L,0x85c0700550145010L,
0x94a271843ddc7710L,0x1346071412108a22L,0x3115c52b44004c53L,0xc504840108020006L,
0x54d1001314c4d181L,0x9081204239c4a71L,0x14c5313460714124L,0x51006428f971e0a2L,
0x4d181c5048402884L,0xa3e5c782885314cL,0x2809409482a8a239L,0x2a84203846028a23L,
0x10800108aa028caL,0xe1180a288ca0240L,0x98c6b80e3294a108L,0x2942328091098c10L,
0x11adb1ed08170560L,0xa024004084240946L,0x7b4205c1580a508cL,0xa8c2968c71846b6cL,
0x4cb5138623280910L,0x10863128ca2b8a20L,0xe188ca0244029402L,0x4e3294e288132d44L,
0x809409ad1218c39cL,0xf14814cb51386232L,0x514454086429adb1L,0x32d44e188ca02440L,
0x8c390a6b6c7c5205L,0xd4218c41409cd2aaL,0x5063a0c4211c4710L,0x10442108421094e1L,
0x31084711c4350863L,0xbdef7bddf05918f2L,0xc4f10dc218c41ef7L,0x9d3642318458c63L,
0x70863104426098c6L,0x8c6116318f13c43L,0x41ef75dd6b5de4d9L,0xd0212d0b41cc238cL,
0x2048108c6450e3a1L,0x42d07308e3105024L,0xdb591938f274084bL,0xc238c41f77deefbbL,
0x1f183e8c62d0b41cL,0x502a2194608d5a4L,0xa318b42d07308e31L,0xed675db56907c60fL,
0xa410d4520c41f773L,0x54e13883a0ca511cL,0x1483104422944229L,0x20f2329447290435L,
0x1ef6f7ef6f7df05cL,0xad63cb210dc520c4L,0x58c695d364e51845L,0xc843714831044269L,
0xe4d93946116b58f2L,0x520c41ef717d6b17L,0x83a1d4512d4941ccL,0x50252848294c6438L,
0x144b525073148310L,0xefaf7b591c20f275L,0x941cc520c41f777bL,0xd5a4e5183dcd62d4L,
0x4831050272994694L,0x460f7358b5250731L,0xf779bd6717b56939L
};
private final static long[] offsetIncrs5 = new long[] /*3 bits per value */ {
0x20c0600000010000L,0x40000000001L,0xb6db6d4830180L,0x4812900824800010L,
0x2092000040000082L,0x618000b659254a40L,0x86c301b6c0618018L,0xdb01860061860001L,
0x81861800075baed6L,0x186e381b70081cL,0xe56dc02072061860L,0x61201001200075b8L,
0x480000480492080L,0x52b5248201848040L,0x880812810012000bL,0x4004800004a4492L,
0xb529124a20204aL,0x49b68061201061a0L,0x8480418680018483L,0x1a000752ad26da01L,
0x4a349b6808128106L,0xa0204a0418680018L,0x492492497528d26dL,0x2492492492492492L,
0x9249249249249249L,0x4924924924924924L,0x2492492492492492L,0x9249249249249249L,
0x4924924924924924L,0x2492492492492492L,0x9249249249249249L,0x4924924924924924L,
0x2492492492492492L,0x9249249249249249L,0x4924924924924924L,0x2492492492492492L,
0x9249249249249249L,0x4924924924924924L,0x2492492492492492L,0x9249249249249249L,
0x4924924924924924L,0x2492492492492492L,0x9249249249249249L,0x4924924924924924L,
0x2492492492492492L
};
// state map
// 0 -> [(0, 0)]
// 1 -> [(0, 2)]
// 2 -> [(0, 1)]
// 3 -> [(0, 1), (1, 1)]
// 4 -> [(0, 2), (1, 2)]
// 5 -> [(0, 2), (2, 1)]
// 6 -> [(0, 1), (2, 2)]
// 7 -> [(0, 2), (2, 2)]
// 8 -> [(0, 1), (1, 1), (2, 1)]
// 9 -> [(0, 2), (1, 2), (2, 2)]
// 10 -> [(0, 1), (2, 1)]
// 11 -> [(0, 2), (3, 2)]
// 12 -> [(0, 2), (1, 2), (3, 2)]
// 13 -> [(0, 2), (1, 2), (2, 2), (3, 2)]
// 14 -> [(0, 1), (2, 2), (3, 2)]
// 15 -> [(0, 2), (3, 1)]
// 16 -> [(0, 1), (3, 2)]
// 17 -> [(0, 1), (1, 1), (3, 2)]
// 18 -> [(0, 2), (1, 2), (3, 1)]
// 19 -> [(0, 2), (2, 2), (3, 2)]
// 20 -> [(0, 2), (2, 1), (3, 1)]
// 21 -> [(0, 2), (2, 1), (4, 2)]
// 22 -> [(0, 2), (1, 2), (4, 2)]
// 23 -> [(0, 2), (1, 2), (3, 2), (4, 2)]
// 24 -> [(0, 2), (2, 2), (3, 2), (4, 2)]
// 25 -> [(0, 2), (3, 2), (4, 2)]
// 26 -> [(0, 2), (1, 2), (2, 2), (4, 2)]
// 27 -> [(0, 2), (1, 2), (2, 2), (3, 2), (4, 2)]
// 28 -> [(0, 2), (4, 2)]
// 29 -> [(0, 2), (2, 2), (4, 2)]
public Lev2ParametricDescription(int w) {
super(w, 2, new int[] {0,2,1,0,1,-1,0,0,-1,0,-1,-1,-1,-1,-1,-2,-1,-1,-2,-1,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2});
}
}
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