Examples of TypedValueVisitorException

Examples of ch.epfl.labos.iu.orm.queryll2.symbolic.TypedValueVisitorException

110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
//            right = new SQLColumnValues(new SQLReader.BooleanSQLReader());
//            right.columns[0] = new SQLFragment("FALSE");
//         }
//      }
      if (!left.isSingleColumn() || !right.isSingleColumn())
         throw new TypedValueVisitorException("Do not know how to compare multiple columns together");
      Field leftField = (Field)left.getOnlyColumn();
      Field rightField = (Field)right.getOnlyColumn();
      Condition result = null;
      switch (val.compOp)
      {
         case eq:
            result = leftField.eq(rightField);
            break;
         case ge:
            result = leftField.ge(rightField);
            break;
         case gt:
            result = leftField.gt(rightField);
            break;
         case le:
            result = leftField.le(rightField);
            break;
         case lt:
            result = leftField.lt(rightField);
            break;
         case ne:
            result = leftField.ne(rightField);
            break;
         default:
            throw new TypedValueVisitorException("Unknown comparison operator");
      }
      return ColumnExpressions.singleColumn(left.reader, result);
   }
View Full Code Here

Examples of ch.epfl.labos.iu.orm.queryll2.symbolic.TypedValueVisitorException

166
167
168
169
170
171
172
173
174
175
176
      else if (metamodel.isFieldGetterMethod(sig))
      {
         Field<?> field = metamodel.fieldMethodToField(sig);
         ColumnExpressions<?> base = val.base.visit(this, in);
         if (!(base.reader instanceof TableRowReader))
            throw new TypedValueVisitorException("Expecting a table");
         TableRowReader<?> tableReader = (TableRowReader<?>)base.reader;
         RowReader<?> columnReader = tableReader.getReaderForField(field);
         ColumnExpressions<?> newColumns = new ColumnExpressions<>(columnReader);
         int idx = tableReader.getIndexForField(field);
         for (int n = 0; n < columnReader.getNumColumns(); n++)
View Full Code Here

Examples of ch.epfl.labos.iu.orm.queryll2.symbolic.TypedValueVisitorException

60
61
62
63
64
65
66
67
68
69
70
         // fields/methods of those entities to be called in the query (code
         // motion will be used to push those field accesses or method calls
         // outside the query where they will be evaluated and then passed in
         // as a parameter)
         if (!ALLOWED_QUERY_PARAMETER_TYPES.contains(argType))
            throw new TypedValueVisitorException("Accessing a field with unhandled type");

         return ColumnExpressions.singleColumn(new SimpleRowReader<>(), DSL.val(lambda.getCapturedArg(argIndex)));
      }
      else
      {
View Full Code Here

Examples of ch.epfl.labos.iu.orm.queryll2.symbolic.TypedValueVisitorException

85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
               LambdaFactory lambdaFactory = (LambdaFactory)arg;
               try {
                  lambda = LambdaAnalysis.analyzeMethod(config.metamodel, config.alternateClassLoader, config.isObjectEqualsSafe, lambdaFactory.getLambdaMethod(), lambdaFactory.getCapturedArgs(), true);
               } catch (Exception e)
               {
                  throw new TypedValueVisitorException("Could not analyze the lambda code", e);
               }
            }
            else if (arg instanceof MethodCallValue.VirtualMethodCallValue && ((MethodCallValue.VirtualMethodCallValue)arg).isConstructor())
            {
               MethodCallValue.VirtualMethodCallValue lambdaConstructor = (MethodCallValue.VirtualMethodCallValue)arg;
               try {
                  Map<String, TypedValue> indirectParamMapping = config.findLambdaAsClassConstructorParameters(lambdaConstructor.getSignature(), lambdaConstructor.args);
                  lambda = LambdaAnalysis.analyzeClassAsLambda(config.metamodel, config.alternateClassLoader, config.isObjectEqualsSafe, new LambdaAnalysis.LambdaAsClassAnalysisConfig(), lambdaConstructor.getSignature().getOwnerType().getClassName(), indirectParamMapping, true);
               } catch (Exception e)
               {
                  throw new TypedValueVisitorException("Could not analyze the lambda code", e);
               }
            }
            else
               throw new TypedValueVisitorException("Expecting a lambda factory for aggregate method");
         }
           
         try {
            AggregateTransform transform;
            if (sig.equals(ScalaMetamodelUtil.streamSumInt)
                  || sig.equals(ScalaMetamodelUtil.streamSumLong)
                  || sig.equals(ScalaMetamodelUtil.streamSumDouble)
                  || sig.equals(ScalaMetamodelUtil.streamSumBigDecimal)
                  || sig.equals(ScalaMetamodelUtil.streamSumBigInteger))
               transform = new AggregateTransform(config, AggregateTransform.AggregateType.SUM);
            else if (sig.equals(ScalaMetamodelUtil.streamMax))
               transform = new AggregateTransform(config, AggregateTransform.AggregateType.MAX);
            else if (sig.equals(ScalaMetamodelUtil.streamMin))
               transform = new AggregateTransform(config, AggregateTransform.AggregateType.MIN);
            else if (sig.equals(ScalaMetamodelUtil.streamAvg))
               transform = new AggregateTransform(config, AggregateTransform.AggregateType.AVG);
            else if (sig.equals(ScalaMetamodelUtil.streamCount))
               transform = new AggregateTransform(config, AggregateTransform.AggregateType.COUNT);
            else
               throw new TypedValueVisitorException("Unhandled aggregate operation");
            JPQLQuery<?> aggregatedQuery = transform.apply(subQuery, lambda, argHandler);
            // Return the aggregated columns that we've now calculated
            if (aggregatedQuery.getClass() == SelectOnly.class)
            {
               SelectOnly<?> select = (SelectOnly<?>)aggregatedQuery;
               return select.cols;
            }
            else if (aggregatedQuery.isValidSubquery() && aggregatedQuery instanceof SelectFromWhere)
            {
               SelectFromWhere<?> sfw = (SelectFromWhere<?>)aggregatedQuery;
               ColumnExpressions<?> toReturn = new ColumnExpressions<>(sfw.cols.reader);
               for (Expression col: sfw.cols.columns)
               {
                  SelectFromWhere<?> oneColQuery = sfw.shallowCopy();
                  oneColQuery.cols = ColumnExpressions.singleColumn(new SimpleRowReader<>(), col);
                  toReturn.columns.add(SubqueryExpression.from(oneColQuery));
               }
               return toReturn;
            }
            else
            {
               throw new TypedValueVisitorException("Unknown subquery type");
            }
         } catch (QueryTransformException e)
         {
            throw new TypedValueVisitorException("Could not derive an aggregate function for a lambda", e);
         }
      }
      else if (sig.equals(ScalaMetamodelUtil.streamGetOnlyValue))
      {
         SymbExPassDown passdown = SymbExPassDown.with(val, false);
        
         // Check out what stream we're aggregating
         SymbExToSubQuery translator = config.newSymbExToSubQuery(argHandler);
         JPQLQuery<?> subQuery = val.base.visit(translator, passdown);

         if (subQuery.isValidSubquery() && subQuery instanceof SelectFromWhere)
         {
            SelectFromWhere<?> sfw = (SelectFromWhere<?>)subQuery;
            ColumnExpressions<?> toReturn = new ColumnExpressions<>(sfw.cols.reader);
            for (Expression col: sfw.cols.columns)
            {
               SelectFromWhere<?> oneColQuery = sfw.shallowCopy();
               oneColQuery.cols = ColumnExpressions.singleColumn(new SimpleRowReader<>(), col);
               toReturn.columns.add(SubqueryExpression.from(oneColQuery));
            }
            return toReturn;
         }

         throw new TypedValueVisitorException("Cannot apply getOnlyValue() to the given subquery");
      }
      else if (sig.equals(ScalaMetamodelUtil.STRINGBUILDER_STRING))
      {
         List<ColumnExpressions<?>> concatenatedStrings = new ArrayList<>();
         MethodCallValue.VirtualMethodCallValue baseVal = val;
         while (true)
         {
            if (!(baseVal.base instanceof MethodCallValue.VirtualMethodCallValue))
               throw new TypedValueVisitorException("Unexpected use of StringBuilder");
            baseVal = (MethodCallValue.VirtualMethodCallValue)baseVal.base;
            if (baseVal.getSignature().equals(ScalaMetamodelUtil.NEW_STRINGBUILDER_STRING))
            {
               SymbExPassDown passdown = SymbExPassDown.with(val, false);
               concatenatedStrings.add(baseVal.args.get(0).visit(this, passdown));
               break;
            }
            else if (baseVal.getSignature().equals(ScalaMetamodelUtil.NEW_STRINGBUILDER))
            {
               break;
            }
            else if (baseVal.getSignature().equals(ScalaMetamodelUtil.STRINGBUILDER_APPEND))
            {
               SymbExPassDown passdown = SymbExPassDown.with(val, false);
               concatenatedStrings.add(baseVal.args.get(0).visit(this, passdown));
            }
            else
               throw new TypedValueVisitorException("Unexpected use of StringBuilder");
         }
        
         if (concatenatedStrings.size() == 1)
            return concatenatedStrings.get(0);
         Expression head = concatenatedStrings.get(concatenatedStrings.size() - 1).getOnlyColumn();
View Full Code Here

Examples of ch.epfl.labos.iu.orm.queryll2.symbolic.TypedValueVisitorException

54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
               try {
                  lambda = LambdaAnalysis.analyzeMethod(config.metamodel, config.alternateClassLoader, config.isObjectEqualsSafe,
                        lambdaFactory.getLambdaMethod(), lambdaFactory.getCapturedArgs(), true);
               } catch (Exception e)
               {
                  throw new TypedValueVisitorException("Could not analyze the lambda code", e);
               }
            }
            else if (arg instanceof MethodCallValue.VirtualMethodCallValue && ((MethodCallValue.VirtualMethodCallValue)arg).isConstructor())
            {
               MethodCallValue.VirtualMethodCallValue lambdaConstructor = (MethodCallValue.VirtualMethodCallValue)arg;
               try {
                  Map<String, TypedValue> indirectParamMapping = config.findLambdaAsClassConstructorParameters(lambdaConstructor.getSignature(), lambdaConstructor.args);
                  lambda = LambdaAnalysis.analyzeClassAsLambda(config.metamodel, config.alternateClassLoader, config.isObjectEqualsSafe, new LambdaAnalysis.LambdaAsClassAnalysisConfig(), lambdaConstructor.getSignature().getOwnerType().getClassName(), indirectParamMapping, true);
               } catch (Exception e)
               {
                  throw new TypedValueVisitorException("Could not analyze the lambda code", e);
               }
            }
            else
               throw new TypedValueVisitorException("Expecting a lambda factory for aggregate method");
         }

         try {
            JPQLQuery<?> transformedQuery;
            if (sig.equals(ScalaMetamodelUtil.streamDistinct))
            {
               DistinctTransform transform = new DistinctTransform(config);
               transformedQuery = transform.apply(subQuery, argHandler);
            }
            else if (sig.equals(ScalaMetamodelUtil.streamSelect))
            {
               SelectTransform transform = new SelectTransform(config, false);
               transformedQuery = transform.apply(subQuery, lambda, argHandler);
            }
            else if (sig.equals(ScalaMetamodelUtil.streamWhere))
            {
               WhereTransform transform = new WhereTransform(config, false);
               transformedQuery = transform.apply(subQuery, lambda, argHandler);
            }
            else if (sig.equals(ScalaMetamodelUtil.streamJoin))
            {
               JoinTransform transform = new ScalaJoinTransform(config, false);
               transformedQuery = transform.apply(subQuery, lambda, argHandler);
            }
            else
               throw new TypedValueVisitorException("Unknown stream operation: " + sig);

            return transformedQuery;
         }
         catch (QueryTransformException e)
         {
            throw new TypedValueVisitorException("Subquery could not be transformed.", e);
         }
      }
      return super.virtualMethodCallValue(val, in);
   }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. 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.