Package com.hp.hpl.jena.sparql.sse

Examples of com.hp.hpl.jena.sparql.sse.ItemList

35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
{
      
    public static ResultSet build(Item item)
    {
        BuilderLib.checkTagged(item, Tags.tagResultSet, "Not a (resultset ...)") ;
        ItemList list = item.getList() ;
       
        List<Var> vars = BuilderNode.buildVarList(list.get(1)) ;
        // skip tag, skip vars.
        int start = 2 ;

        List<Binding> bindings = new ArrayList<>() ;
        for ( int i = start ; i < list.size() ; i++ )
        {
            Item itemRow = list.get(i) ;
            Binding b = BuilderBinding.build(itemRow) ;
            bindings.add(b) ;
        }
       
        QueryIterator qIter = new QueryIterPlainWrapper(bindings.listIterator()) ;
View Full Code Here
135
136
137
138
139
140
141
142
143
    {
        if ( ! item.isTagged(Tags.tagBGP) )
            BuilderLib.broken(item, "Not a basic graph pattern") ;
        if ( ! item.isList() )
            BuilderLib.broken(item, "Not a list for a basic graph pattern") ;
        ItemList list = item.getList() ;
        return buildBGP(list) ;
       
    }
View Full Code Here
67
68
69
70
71
72
73
74
    public static ExprList buildExprList(Item item)
    {
        if ( ! item.isTagged(Tags.tagExprList) )
            BuilderLib.broken(item, "Not tagged exprlist") ;
       
        ItemList list = item.getList() ;
        return buildExprListUntagged(list, 1) ;
    }
View Full Code Here
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
    public static VarExprList buildNamedExprOrExprList(Item item)
    {
        if ( ! item.isList() )
            BuilderLib.broken(item, "Not a var expr list") ;
       
        ItemList list = item.getList() ;
       
        if ( list.isEmpty() )
            return new VarExprList() ;
       
        if ( list.car().isList() )
            // List of lists
            return buildNamedExprList(list) ;
        // One item
        return buildNamedExpr(item) ;
    }
View Full Code Here
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
            return ;
        }
        if ( !item.isList() || item.getList().size() != 2 )
            BuilderLib.broken(item, "Not a var or var/expression pair") ;

        ItemList list = item.getList() ;

        if ( list.size() == 1 )
        {
            Var v = BuilderNode.buildVar(list.car()) ;
            varExprList.add(v) ;
            return ;
        }
       
        if ( list.size() != 2 )
            BuilderLib.broken(list, "Not a var or var/expression pair") ;
        Var var = BuilderNode.buildVar(list.get(0)) ;
        Expr expr = BuilderExpr.buildExpr(list.get(1)) ;
        varExprList.add(var, expr) ; 
    }
View Full Code Here
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
    {
        Expr expr = null ;
   
        if ( item.isList() )
        {
            ItemList list = item.getList() ;
           
            if ( list.size() == 0 )
                BuilderLib.broken(item, "Empty list for expression") ;
           
            Item head = list.get(0) ;
           
            if ( head.isNode() )
            {
                if ( head.getNode().isVariable() && list.size() == 1 )
                {
                    // The case of (?z)
                    return new ExprVar(Var.alloc(head.getNode())) ;
                }
                return buildFunctionCall(list) ;
            }
            else if ( head.isList() )
                BuilderLib.broken(item, "Head is a list") ;
            else if ( head.isSymbol() )
            {
                if ( item.isTagged(Tags.tagExpr) )
                {
                    BuilderLib.checkLength(2, list, "Wrong length: "+item.shortString()) ;
                    item = list.get(1) ;
                    return buildItem(item) ;
                }
               
                return buildKnownFunction(list) ;               
            }
View Full Code Here
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
    private void init(Item stats)
    {
        if ( !stats.isTagged(STATS) )
            throw new ARQException("Not a tagged '"+STATS+"'") ;

        ItemList list = stats.getList().cdr();      // Skip tag
       
        if ( list.car().isTagged(META) )
        {       
            // Process the meta tag.
            Item elt1 = list.car();
            list = list.cdr();      // Move list on

            // Get count.
            Item x = Item.find(elt1.getList(), COUNT) ;
            if ( x != null )
                count = x.getList().get(1).asInteger() ;
        }
      
        while (!list.isEmpty())
        {
            Item elt = list.car() ;
            list = list.cdr();
            onePattern(elt) ;
        }
    }
View Full Code Here
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
    static abstract class BuildAggCommon implements Build
    {
        @Override
        public final Expr make(ItemList list)
        {
            ItemList x = list.cdr();    // drop "sum"
            boolean distinct = startsWithDistinct(x) ;
            if ( distinct )
                x = x.cdr();
            BuilderLib.checkLength(1, x, "Broken syntax: "+list.shortString()) ;
            // (sum ?var)
            Expr expr = buildExpr(x.get(0)) ;
            return make(distinct, expr) ;
        }
View Full Code Here
44
45
46
47
48
49
50
51
    }
   
    public static List<Node> buildNodeList(Item item)
    {
        BuilderLib.checkList(item) ;
        ItemList list = item.getList() ;
        return buildNodeList(list) ;
    }
View Full Code Here
71
72
73
74
75
76
77
78
    }
   
    public static List<Var> buildVarList(Item item)
    {
        BuilderLib.checkList(item) ;
        ItemList list = item.getList() ;
        return buildVarList(list) ;
    }
View Full Code Here
TOP

Related Classes of com.hp.hpl.jena.sparql.sse.ItemList

  • com.hp.hpl.jena.sparql.algebra.AlgebraGenerator
  • com.hp.hpl.jena.sparql.algebra.AlgebraGenerator_LC3
  • com.hp.hpl.jena.sparql.engine.optimizer.reorder.PatternTriple
  • com.hp.hpl.jena.sparql.engine.optimizer.StatsMatcher
  • com.hp.hpl.jena.sparql.sse.builders.BuilderBinding
  • com.hp.hpl.jena.sparql.sse.builders.BuilderExec
  • com.hp.hpl.jena.sparql.sse.builders.BuilderExpr
  • com.hp.hpl.jena.sparql.sse.builders.BuilderExpr$BuildAggCommon
  • com.hp.hpl.jena.sparql.sse.builders.BuilderGraph
  • com.hp.hpl.jena.sparql.sse.builders.BuilderNode
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.