Package de.zalando.typemapper.core.result

Examples of de.zalando.typemapper.core.result.DbResultNode

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
        Object result = null;

        // instantiate enums by string value
        if (clazz.isEnum()) {
            final DbResultNode currentNode = node.getChildByName(node.getType());
            result = Enum.valueOf(clazz, currentNode.getValue());
        } else {
            result = clazz.newInstance();

            final List<Mapping> mappings = Mapping.getMappingsForClass(clazz);

            for (final Mapping mapping : mappings) {
                final DbResultNode currentNode = node.getChildByName(mapping.getName());
                if (currentNode == null) {
                    if (mapping.isOptionalField()) {
                        mapping.map(result, null);
                    } else {
                        LOG.warn("Could not find value of mapping: {}", mapping.getName());
                    }

                    continue;
                }

                // TODO pribeiro. We should use polymorphism instead. Build like a chain.
                try {
                    if (DbResultNodeType.SIMPLE.equals(currentNode.getNodeType())) {
                        mapping.map(result,
                            mapping.getFieldMapper().mapField(currentNode.getValue(), mapping.getFieldClass()));
                    } else if (DbResultNodeType.OBJECT.equals(currentNode.getNodeType())) {
                        mapping.map(result, mapFromDbObjectNode(clazz, (ObjectResultNode) currentNode, mapping));
                    } else if (DbResultNodeType.ARRAY.equals(currentNode.getNodeType())) {
                        mapping.map(result,
                            ArrayFieldMapper.mapField(mapping.getField(), (ArrayResultNode) currentNode));
                    }
                } catch (final Exception e) {
                    LOG.error("Failed to map property {} of class {}",
View Full Code Here
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
        final ResultTree tree = new ResultTree();

        for (int i = 1; i <= rsMetaData.getColumnCount(); i++) {
            final int typeId = pgSet.getColumnOID(i);
            DbResultNode node = null;

            final Object obj = pgSet.getObject(i);
            final String name = rsMetaData.getColumnName(i);

            // TODO pribeiro We should use polymorphism here. Build like a chain
            if ((obj instanceof PGobject) && ((PGobject) obj).getType().equals("record")) {
                final PGobject pgObj = (PGobject) obj;
                final DbFunction function = DbFunctionRegister.getFunction(name, pgSet.getStatement().getConnection());
                List<String> fieldValues;
                try {
                    fieldValues = ParseUtils.postgresROW2StringList(pgObj.getValue());
                } catch (final RowParserException e) {
                    throw new SQLException(e);
                }

                int j = 1;
                for (final String fieldValue : fieldValues) {
                    final DbTypeField fieldDef = function.getFieldByPos(j);
                    DbResultNode currentNode = null;
                    if (fieldDef.getType().equals("USER-DEFINED")) {
                        currentNode = new ObjectResultNode(fieldValue, fieldDef.getName(), fieldDef.getTypeName(),
                                fieldDef.getTypeId(), pgSet.getStatement().getConnection());
                    } else if (fieldDef.getType().equals("ARRAY")) {
                        currentNode = new ArrayResultNode(fieldDef.getName(), fieldValue,
View Full Code Here
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
    }

    private void fillObject(final Object result, final ResultTree tree) throws SQLException {
        for (final Mapping mapping : getMappings()) {
            try {
                final DbResultNode node = tree.getChildByName(mapping.getName());

                // TODO pribeiro we need to distinguish between null value and a mapping not defined in the tree
                if (node == null) {

                    // this may be okay - if any return value is NULL, we will reach this path.
                    // to classify and mark this as an error, we need more information.
                    LOG.trace("Could not map property {} of class {}: field not in result tree, field may be nullable.",
                        mapping.getName(), resultClass.getSimpleName());
                    continue;
                }

                if (DbResultNodeType.MAP != node.getNodeType() && node.getValue() == null) {
                    if (mapping.isOptionalField()) {
                        mapping.map(result, null);
                    }
                }

                // TODO pribeiro we should use polymorphism instead. Build like a chain.
                if (DbResultNodeType.SIMPLE == node.getNodeType()) {
                    final String fieldStringValue = node.getValue();
                    final Object value = mapping.getFieldMapper().mapField(fieldStringValue, mapping.getFieldClass());

                    mapping.map(result, value);
                } else if (DbResultNodeType.MAP == node.getNodeType()) {

                    // TODO all fields are being converted to String and reverted later. The API forces this approach
                    // (DbResultNode.getValue). This should be improved because it's just causing overhead. The driver
                    // can convert at least the basic types so we should reuse this logic. Result tree should be
                    // improved.
                    // Refactor the if/else statements to a more object-based or polymorphic solution.

                    final Object value = ((MapResultNode) node).getMap();
                    mapping.map(result, value);
                } else if (DbResultNodeType.OBJECT == node.getNodeType()) {
                    final Object value = ObjectFieldMapper.mapFromDbObjectNode(mapping.getFieldClass(),
                            (ObjectResultNode) node, mapping);

                    mapping.map(result, value);
                } else if (DbResultNodeType.ARRAY == node.getNodeType()) {
                    final Object value = ArrayFieldMapper.mapField(mapping.getField(), (ArrayResultNode) node);

                    mapping.map(result, value);
                }
            } catch (final Exception e) {
View Full Code Here
TOP

Related Classes of de.zalando.typemapper.core.result.DbResultNode

  • de.zalando.typemapper.core.fieldMapper.ObjectFieldMapper
  • de.zalando.typemapper.core.TypeMapper
    • 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.