| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. You may obtain a |
| * copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.apache.geode.connectors.jdbc.internal; |
| |
| import org.apache.geode.connectors.jdbc.internal.configuration.FieldMapping; |
| import org.apache.geode.connectors.jdbc.internal.configuration.RegionMapping; |
| import org.apache.geode.internal.cache.InternalCache; |
| import org.apache.geode.pdx.FieldType; |
| import org.apache.geode.pdx.PdxInstanceFactory; |
| |
| public class SqlToPdxInstanceCreator { |
| private final InternalCache cache; |
| private final RegionMapping regionMapping; |
| |
| public SqlToPdxInstanceCreator(InternalCache cache, RegionMapping regionMapping) { |
| this.cache = cache; |
| this.regionMapping = regionMapping; |
| } |
| |
| public SqlToPdxInstance create() { |
| SqlToPdxInstance result = new SqlToPdxInstance(); |
| PdxInstanceFactory templateFactory = createPdxInstanceFactory(); |
| for (FieldMapping columnMapping : regionMapping.getFieldMappings()) { |
| String columnName = columnMapping.getJdbcName(); |
| String fieldName = columnMapping.getPdxName(); |
| FieldType fieldType = FieldType.valueOf(columnMapping.getPdxType()); |
| result.addMapping(columnName, fieldName, fieldType); |
| writeField(templateFactory, columnMapping, fieldName, fieldType); |
| } |
| result.setPdxTemplate(templateFactory.create()); |
| return result; |
| } |
| |
| private PdxInstanceFactory createPdxInstanceFactory() { |
| String valueClassName = regionMapping.getPdxName(); |
| return cache.createPdxInstanceFactory(valueClassName); |
| } |
| |
| public static void writeField(PdxInstanceFactory factory, FieldMapping columnMapping, |
| String fieldName, |
| FieldType fieldType) { |
| switch (fieldType) { |
| case STRING: |
| factory.writeString(fieldName, null); |
| break; |
| case CHAR: |
| factory.writeChar(fieldName, (char) 0); |
| break; |
| case SHORT: |
| factory.writeShort(fieldName, (short) 0); |
| break; |
| case INT: |
| factory.writeInt(fieldName, 0); |
| break; |
| case LONG: |
| factory.writeLong(fieldName, 0L); |
| break; |
| case FLOAT: |
| factory.writeFloat(fieldName, 0); |
| break; |
| case DOUBLE: |
| factory.writeDouble(fieldName, 0); |
| break; |
| case BYTE: |
| factory.writeByte(fieldName, (byte) 0); |
| break; |
| case BOOLEAN: |
| factory.writeBoolean(fieldName, false); |
| break; |
| case DATE: |
| factory.writeDate(fieldName, null); |
| break; |
| case BYTE_ARRAY: |
| factory.writeByteArray(fieldName, null); |
| break; |
| case BOOLEAN_ARRAY: |
| factory.writeBooleanArray(fieldName, null); |
| break; |
| case CHAR_ARRAY: |
| factory.writeCharArray(fieldName, null); |
| break; |
| case SHORT_ARRAY: |
| factory.writeShortArray(fieldName, null); |
| break; |
| case INT_ARRAY: |
| factory.writeIntArray(fieldName, null); |
| break; |
| case LONG_ARRAY: |
| factory.writeLongArray(fieldName, null); |
| break; |
| case FLOAT_ARRAY: |
| factory.writeFloatArray(fieldName, null); |
| break; |
| case DOUBLE_ARRAY: |
| factory.writeDoubleArray(fieldName, null); |
| break; |
| case STRING_ARRAY: |
| factory.writeStringArray(fieldName, null); |
| break; |
| case OBJECT_ARRAY: |
| factory.writeObjectArray(fieldName, null); |
| break; |
| case ARRAY_OF_BYTE_ARRAYS: |
| factory.writeArrayOfByteArrays(fieldName, null); |
| break; |
| case OBJECT: |
| factory.writeObject(fieldName, null); |
| break; |
| default: |
| throw new IllegalStateException("unhandled pdx field type " + fieldType); |
| } |
| } |
| } |