| 1 | package felix.main; |
| 2 | |
| 3 | |
| 4 | import java.util.HashMap; |
| 5 | import java.util.HashSet; |
| 6 | |
| 7 | |
| 8 | |
| 9 | import tuffy.db.RDB; |
| 10 | import tuffy.mln.Clause; |
| 11 | import tuffy.mln.Predicate; |
| 12 | import tuffy.ra.ConjunctiveQuery; |
| 13 | import tuffy.util.ExceptionMan; |
| 14 | import tuffy.util.Timer; |
| 15 | import felix.compiler.StaticAnalyzer; |
| 16 | import felix.dstruct.ExecutionPlan; |
| 17 | import felix.dstruct.FelixQuery; |
| 18 | import felix.dstruct.OperatorBucketGraph; |
| 19 | import felix.dstruct.StatOperator; |
| 20 | import felix.executor.Executor; |
| 21 | import felix.optimizer.Scheduler; |
| 22 | import felix.parser.FelixCommandOptions; |
| 23 | import felix.util.FelixConfig; |
| 24 | import felix.util.FelixUIMan; |
| 25 | |
| 26 | /** |
| 27 | * |
| 28 | * |
| 29 | * @deprecated |
| 30 | * @author Ce Zhang |
| 31 | * |
| 32 | */ |
| 33 | public class OnlineFelix { |
| 34 | |
| 35 | /** |
| 36 | * Felix's query, which consists of program, query and evidence. |
| 37 | */ |
| 38 | FelixQuery fq; |
| 39 | |
| 40 | /** |
| 41 | * Static Analyzer, which analyzes the property of each predicates according to rules. |
| 42 | */ |
| 43 | StaticAnalyzer sa; |
| 44 | |
| 45 | /** |
| 46 | * Database connection. |
| 47 | */ |
| 48 | RDB db; |
| 49 | |
| 50 | /** |
| 51 | * Command line option. |
| 52 | */ |
| 53 | FelixCommandOptions options; |
| 54 | |
| 55 | /** |
| 56 | * Whether this Felix object run has loaded evidences. |
| 57 | */ |
| 58 | public boolean hasLoadedEvidence = false; |
| 59 | |
| 60 | /** |
| 61 | * Return Felix's query. |
| 62 | * @return |
| 63 | */ |
| 64 | public FelixQuery getFelixQuery(){ |
| 65 | return fq; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Clear static parameters and initialize variables. |
| 70 | */ |
| 71 | public void init(){ |
| 72 | |
| 73 | ConjunctiveQuery.clearIndexHistory(); |
| 74 | |
| 75 | Clause.mappingFromID2Const = new HashMap<Integer, String>(); |
| 76 | Clause.mappingFromID2Desc = new HashMap<String, String>(); |
| 77 | |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Load Felix query from program and query file. If -useEvid |
| 82 | * is used, evidence file will also be loaded by this function. |
| 83 | */ |
| 84 | public void parseFelixQuery(){ |
| 85 | |
| 86 | FelixUIMan.println(">>> Connecting to RDBMS at " + FelixConfig.db_url); |
| 87 | |
| 88 | fq = new FelixQuery(); |
| 89 | |
| 90 | if(options.fquery == null && options.queryAtoms == null){ |
| 91 | System.err.println("Please specify queries with -q or -queryFiles"); |
| 92 | return; |
| 93 | } |
| 94 | |
| 95 | FelixConfig.verbose_level = options.verboseLevel; |
| 96 | |
| 97 | String prog = options.fprog; |
| 98 | fq.parseProgFromString(prog); |
| 99 | |
| 100 | if(options.fquery != null){ |
| 101 | String[] queryFiles = options.fquery.split(","); |
| 102 | fq.loadQueries(queryFiles); |
| 103 | } |
| 104 | |
| 105 | if(options.queryAtoms != null){ |
| 106 | FelixUIMan.println(">>> Parsing query atoms in command line"); |
| 107 | fq.parseQueryCommaList(options.queryAtoms); |
| 108 | } |
| 109 | |
| 110 | if(options.cwaPreds != null){ |
| 111 | String[] preds = options.cwaPreds.split(","); |
| 112 | for(String ps : preds){ |
| 113 | Predicate p = fq.getPredByName(ps); |
| 114 | if(p == null){ |
| 115 | fq.closeFiles(); |
| 116 | ExceptionMan.die("COMMAND LINE: Unknown predicate name -- " + ps); |
| 117 | }else{ |
| 118 | p.setClosedWorld(true); |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Run Felix! |
| 127 | * @param args Command line options. |
| 128 | */ |
| 129 | public String run(String[] args){ |
| 130 | |
| 131 | FelixConfig.overrideID(); |
| 132 | String ret = ""; |
| 133 | |
| 134 | Timer.start("Felix-Timer"); |
| 135 | |
| 136 | init(); |
| 137 | |
| 138 | options = FelixUIMan.parseCommand(args); |
| 139 | |
| 140 | this.parseFelixQuery(); |
| 141 | |
| 142 | sa = new StaticAnalyzer(this.fq, options); |
| 143 | sa.parse(); |
| 144 | |
| 145 | //for(int j=0;j<2;j++){ |
| 146 | // |
| 147 | Scheduler sc = new Scheduler(null, this.fq, options); |
| 148 | |
| 149 | // decompose the whole MLN into different operators |
| 150 | HashSet<StatOperator> ops = sc.ruleDecomposition(null); |
| 151 | |
| 152 | // decompose each operators into smaller operators dealing |
| 153 | // with different portion of data. |
| 154 | OperatorBucketGraph obg = sc.dataDecomposition(ops, null); |
| 155 | |
| 156 | ExecutionPlan ep = sc.orderOperators(obg); |
| 157 | |
| 158 | ret = ep.toHTMLString(); |
| 159 | |
| 160 | return ret; |
| 161 | |
| 162 | } |
| 163 | |
| 164 | } |
| 165 | |
| 166 | |
| 167 | |
| 168 | |