Package com.espertech.esper.epl.spec

Examples of com.espertech.esper.epl.spec.OnTriggerSetAssignment

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
        EventPropertyWriter[] writers = new EventPropertyWriter[len];
        boolean[] notNullableField = new boolean[len];

        for (int i = 0; i < assignments.size(); i++)
        {
            OnTriggerSetAssignment assignment = assignments.get(i);
            String propertyName = assignment.getVariableName();
            expressions[i] = assignment.getExpression().getExprEvaluator();
            EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(propertyName);

            if (writableProperty == null)
            {
                int indexDot = propertyName.indexOf(".");
                if ((namedWindowAlias != null) && (indexDot != -1)) {
                    String prefix = propertyName.substring(0, indexDot);
                    String name = propertyName.substring(indexDot + 1);
                    if (prefix.equals(namedWindowAlias)) {
                        writableProperty = eventTypeSPI.getWritableProperty(name);
                        propertyName = name;
                    }
                }
                if (writableProperty == null && indexDot != -1) {
                    String prefix = propertyName.substring(0, indexDot);
                    String name = propertyName.substring(indexDot + 1);
                    if (prefix.equals(namedWindowName)) {
                        writableProperty = eventTypeSPI.getWritableProperty(name);
                        propertyName = name;
                    }
                }
                if (writableProperty == null) {
                    throw new ExprValidationException("Property '" + propertyName + "' is not available for write access");
                }
            }
            writers[i] = eventTypeSPI.getWriter(propertyName);
            notNullableField[i] = writableProperty.getPropertyType().isPrimitive();

            properties.add(propertyName);
            wideners[i] = TypeWidenerFactory.getCheckPropertyAssignType(assignment.getExpression().toExpressionString(), assignment.getExpression().getExprEvaluator().getType(),
                    writableProperty.getPropertyType(), propertyName);
        }
        String[] propertyNames = properties.toArray(new String[properties.size()]);

        // map expression index to property index
View Full Code Here
51
52
53
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
        List<NamedWindowUpdateItem> updateItems = new ArrayList<NamedWindowUpdateItem>();
        List<String> properties = new ArrayList<String>();

        for (int i = 0; i < assignments.size(); i++)
        {
            OnTriggerSetAssignment assignment = assignments.get(i);
            NamedWindowUpdateItem updateItem;

            // determine whether this is a "property=value" assignment, we use property setters in this case
            Pair<String, ExprNode> possibleAssignment = ExprNodeUtility.checkGetAssignmentToProp(assignment.getExpression());

            // handle assignment "property = value"
            if (possibleAssignment != null) {

                String propertyName = possibleAssignment.getFirst();
                EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(propertyName);

                // check assignment to indexed or mapped property
                if (writableProperty == null) {
                    Pair<String, EventPropertyDescriptor> nameWriteablePair = checkIndexedOrMappedProp(possibleAssignment.getFirst(), namedWindowName, namedWindowAlias, eventTypeSPI);
                    propertyName = nameWriteablePair.getFirst();
                    writableProperty = nameWriteablePair.getSecond();
                }

                ExprEvaluator evaluator = possibleAssignment.getSecond().getExprEvaluator();
                EventPropertyWriter writers = eventTypeSPI.getWriter(propertyName);
                boolean notNullableField = writableProperty.getPropertyType().isPrimitive();

                properties.add(propertyName);
                TypeWidener widener = TypeWidenerFactory.getCheckPropertyAssignType(possibleAssignment.getSecond().toExpressionString(), possibleAssignment.getSecond().getExprEvaluator().getType(),
                        writableProperty.getPropertyType(), propertyName);

                // check event type assignment
                if (optionalTriggeringEventType != null && possibleAssignment.getSecond() instanceof ExprIdentNode) {
                    ExprIdentNode node = (ExprIdentNode) possibleAssignment.getSecond();
                    FragmentEventType fragmentRHS = optionalTriggeringEventType.getFragmentType(node.getResolvedPropertyName());
                    FragmentEventType fragmentLHS = eventTypeSPI.getFragmentType(possibleAssignment.getFirst());
                    if (fragmentRHS != null && fragmentLHS != null && !EventTypeUtility.isTypeOrSubTypeOf(fragmentRHS.getFragmentType(), fragmentLHS.getFragmentType())) {
                        throw new ExprValidationException("Invalid assignment to property '" +
                            possibleAssignment.getFirst() + "' event type '" + fragmentLHS.getFragmentType().getName() +
                            "' from event type '" + fragmentRHS.getFragmentType().getName() + "'");
                    }
                }

                updateItem = new NamedWindowUpdateItem(evaluator, propertyName, writers, notNullableField, widener);
            }
            // handle non-assignment, i.e. UDF or other expression
            else {
                ExprEvaluator evaluator = assignment.getExpression().getExprEvaluator();
                updateItem = new NamedWindowUpdateItem(evaluator, null, null, false, null);
            }

            updateItems.add(updateItem);
        }
View Full Code Here
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
        TypeWidener[] wideners = new TypeWidener[desc.getAssignments().size()];
        List<String> properties = new ArrayList<String>();
        for (int i = 0; i < desc.getAssignments().size(); i++)
        {
            OnTriggerSetAssignment assignment = desc.getAssignments().get(i);
            EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(assignment.getVariableName());

            if (writableProperty == null)
            {
                throw new ExprValidationException("Property '" + assignment.getVariableName() + "' is not available for write access");
            }

            wideners[i] = TypeWidenerFactory.getCheckPropertyAssignType(assignment.getExpression().toExpressionString(), assignment.getExpression().getExprEvaluator().getType(),
                    writableProperty.getPropertyType(), assignment.getVariableName());
            properties.add(assignment.getVariableName());
        }

        // check copy-able
        EventBeanCopyMethod copyMethod = eventTypeSPI.getCopyMethod(properties.toArray(new String[properties.size()]));
        if (copyMethod == null)
View Full Code Here
231
232
233
234
235
236
237
238
239
240
241
242
243
244
            List<String> properties = new ArrayList<String>();
            ExprNode[] expressions = new ExprNode[entry.getKey().getAssignments().size()];
            for (int i = 0; i < entry.getKey().getAssignments().size(); i++)
            {
                OnTriggerSetAssignment assignment = entry.getKey().getAssignments().get(i);
                expressions[i] = assignment.getExpression();
                properties.add(assignment.getVariableName());
                eventPropertiesWritten.add(assignment.getVariableName());
            }
            EventBeanWriter writer = eventTypeSPI.getWriter(properties.toArray(new String[properties.size()]));
            desc.add(new InternalEventRouterEntry(priority, isDrop, entry.getKey().getOptionalWhereClause(), expressions, writer, entry.getValue().getWideners(), entry.getValue().getOutputView()));
        }
View Full Code Here
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
        TypeWidener[] wideners = new TypeWidener[desc.getAssignments().size()];
        List<String> properties = new ArrayList<String>();
        for (int i = 0; i < desc.getAssignments().size(); i++)
        {
            OnTriggerSetAssignment assignment = desc.getAssignments().get(i);
            EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(assignment.getVariableName());

            if (writableProperty == null)
            {
                throw new ExprValidationException("Property '" + assignment.getVariableName() + "' is not available for write access");
            }

            wideners[i] = TypeWidenerFactory.getCheckPropertyAssignType(assignment.getExpression().toExpressionString(), assignment.getExpression().getExprEvaluator().getType(),
                    writableProperty.getPropertyType(), assignment.getVariableName());
            properties.add(assignment.getVariableName());
        }

        // check copy-able
        EventBeanCopyMethod copyMethod = eventTypeSPI.getCopyMethod(properties.toArray(new String[properties.size()]));
        if (copyMethod == null)
View Full Code Here
258
259
260
261
262
263
264
265
266
267
268
269
270
271
            List<String> properties = new ArrayList<String>();
            ExprNode[] expressions = new ExprNode[entry.getKey().getAssignments().size()];
            for (int i = 0; i < entry.getKey().getAssignments().size(); i++)
            {
                OnTriggerSetAssignment assignment = entry.getKey().getAssignments().get(i);
                expressions[i] = assignment.getExpression();
                properties.add(assignment.getVariableName());
                eventPropertiesWritten.add(assignment.getVariableName());
            }
            EventBeanWriter writer = eventTypeSPI.getWriter(properties.toArray(new String[properties.size()]));
            desc.add(new InternalEventRouterEntry(priority, isDrop, entry.getKey().getOptionalWhereClause(), expressions, writer, entry.getValue().getWideners(), entry.getValue().getOutputView()));
        }
View Full Code Here
51
52
53
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
        List<NamedWindowUpdateItem> updateItems = new ArrayList<NamedWindowUpdateItem>();
        List<String> properties = new ArrayList<String>();

        for (int i = 0; i < assignments.size(); i++)
        {
            OnTriggerSetAssignment assignment = assignments.get(i);
            NamedWindowUpdateItem updateItem;

            // determine whether this is a "property=value" assignment, we use property setters in this case
            Pair<String, ExprNode> possibleAssignment = ExprNodeUtility.checkGetAssignmentToProp(assignment.getExpression());

            // handle assignment "property = value"
            if (possibleAssignment != null) {

                String propertyName = possibleAssignment.getFirst();
                EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(propertyName);

                // check assignment to indexed or mapped property
                if (writableProperty == null) {
                    Pair<String, EventPropertyDescriptor> nameWriteablePair = checkIndexedOrMappedProp(possibleAssignment.getFirst(), namedWindowName, namedWindowAlias, eventTypeSPI);
                    propertyName = nameWriteablePair.getFirst();
                    writableProperty = nameWriteablePair.getSecond();
                }

                ExprEvaluator evaluator = possibleAssignment.getSecond().getExprEvaluator();
                EventPropertyWriter writers = eventTypeSPI.getWriter(propertyName);
                boolean notNullableField = writableProperty.getPropertyType().isPrimitive();

                properties.add(propertyName);
                TypeWidener widener = TypeWidenerFactory.getCheckPropertyAssignType(ExprNodeUtility.toExpressionStringMinPrecedence(possibleAssignment.getSecond()), possibleAssignment.getSecond().getExprEvaluator().getType(),
                        writableProperty.getPropertyType(), propertyName);

                // check event type assignment
                if (optionalTriggeringEventType != null && possibleAssignment.getSecond() instanceof ExprIdentNode) {
                    ExprIdentNode node = (ExprIdentNode) possibleAssignment.getSecond();
                    FragmentEventType fragmentRHS = optionalTriggeringEventType.getFragmentType(node.getResolvedPropertyName());
                    FragmentEventType fragmentLHS = eventTypeSPI.getFragmentType(possibleAssignment.getFirst());
                    if (fragmentRHS != null && fragmentLHS != null && !EventTypeUtility.isTypeOrSubTypeOf(fragmentRHS.getFragmentType(), fragmentLHS.getFragmentType())) {
                        throw new ExprValidationException("Invalid assignment to property '" +
                            possibleAssignment.getFirst() + "' event type '" + fragmentLHS.getFragmentType().getName() +
                            "' from event type '" + fragmentRHS.getFragmentType().getName() + "'");
                    }
                }

                updateItem = new NamedWindowUpdateItem(evaluator, propertyName, writers, notNullableField, widener);
            }
            // handle non-assignment, i.e. UDF or other expression
            else {
                ExprEvaluator evaluator = assignment.getExpression().getExprEvaluator();
                updateItem = new NamedWindowUpdateItem(evaluator, null, null, false, null);
            }

            updateItems.add(updateItem);
        }
View Full Code Here
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
        TypeWidener[] wideners = new TypeWidener[desc.getAssignments().size()];
        List<String> properties = new ArrayList<String>();
        for (int i = 0; i < desc.getAssignments().size(); i++)
        {
            OnTriggerSetAssignment assignment = desc.getAssignments().get(i);
            EventPropertyDescriptor writableProperty = eventTypeSPI.getWritableProperty(assignment.getVariableName());

            if (writableProperty == null)
            {
                throw new ExprValidationException("Property '" + assignment.getVariableName() + "' is not available for write access");
            }

            wideners[i] = TypeWidenerFactory.getCheckPropertyAssignType(assignment.getExpression().toExpressionString(), assignment.getExpression().getExprEvaluator().getType(),
                    writableProperty.getPropertyType(), assignment.getVariableName());
            properties.add(assignment.getVariableName());
        }

        // check copy-able
        EventBeanCopyMethod copyMethod = eventTypeSPI.getCopyMethod(properties.toArray(new String[properties.size()]));
        if (copyMethod == null)
View Full Code Here
258
259
260
261
262
263
264
265
266
267
268
269
270
271
            List<String> properties = new ArrayList<String>();
            ExprNode[] expressions = new ExprNode[entry.getKey().getAssignments().size()];
            for (int i = 0; i < entry.getKey().getAssignments().size(); i++)
            {
                OnTriggerSetAssignment assignment = entry.getKey().getAssignments().get(i);
                expressions[i] = assignment.getExpression();
                properties.add(assignment.getVariableName());
                eventPropertiesWritten.add(assignment.getVariableName());
            }
            EventBeanWriter writer = eventTypeSPI.getWriter(properties.toArray(new String[properties.size()]));
            desc.add(new InternalEventRouterEntry(priority, isDrop, entry.getKey().getOptionalWhereClause(), expressions, writer, entry.getValue().getWideners(), entry.getValue().getOutputView()));
        }
View Full Code Here
170
171
172
173
174
175
176
177
178
            Tree childNode = node.getChild(i);
            String variableName = ASTFilterSpecHelper.getPropertyName(childNode.getChild(0), 0);
            ExprNode childEvalNode = astExprNodeMap.get(childNode.getChild(1));
            astExprNodeMap.remove(childNode.getChild(1));
            assignments.add(new OnTriggerSetAssignment(variableName, childEvalNode));
        }
        return assignments;
    }
View Full Code Here
TOP

Related Classes of com.espertech.esper.epl.spec.OnTriggerSetAssignment

  • com.espertech.esper.core.InternalEventRouterImpl
  • com.espertech.esper.core.service.InternalEventRouterImpl
  • com.espertech.esper.epl.named.NamedWindowUpdateHelper
  • com.espertech.esper.epl.parse.ASTExprHelper
    • 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.