| /* |
| * 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. |
| */ |
| import org.apache.drill.exec.vector.complex.UnionVector; |
| |
| <@pp.dropOutputFile /> |
| <@pp.changeOutputFile name="/org/apache/drill/exec/expr/TypeHelper.java" /> |
| |
| <#include "/@includes/license.ftl" /> |
| |
| package org.apache.drill.exec.expr; |
| |
| <#include "/@includes/vv_imports.ftl" /> |
| import org.apache.drill.common.expression.SchemaPath; |
| import org.apache.drill.common.types.TypeProtos.DataMode; |
| import org.apache.drill.common.types.TypeProtos.MinorType; |
| import org.apache.drill.common.types.TypeProtos.MajorType; |
| import org.apache.drill.exec.record.MaterializedField; |
| import org.apache.drill.exec.vector.accessor.*; |
| import org.apache.drill.exec.vector.complex.RepeatedMapVector; |
| import org.apache.drill.exec.util.CallBack; |
| |
| /* |
| * This class is generated using freemarker and the ${.template_name} template. |
| */ |
| public class TypeHelper extends BasicTypeHelper { |
| static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TypeHelper.class); |
| |
| public static SqlAccessor getSqlAccessor(ValueVector vector){ |
| final MajorType type = vector.getField().getType(); |
| switch(type.getMinorType()){ |
| case UNION: |
| return new UnionSqlAccessor((UnionVector) vector); |
| <#list vv.types as type> |
| <#list type.minor as minor> |
| case ${minor.class?upper_case}: |
| switch (type.getMode()) { |
| case REQUIRED: |
| return new ${minor.class}Accessor((${minor.class}Vector) vector); |
| case OPTIONAL: |
| return new Nullable${minor.class}Accessor((Nullable${minor.class}Vector) vector); |
| case REPEATED: |
| return new GenericAccessor(vector); |
| } |
| </#list> |
| </#list> |
| case MAP: |
| case DICT: |
| case LIST: |
| case NULL: |
| return new GenericAccessor(vector); |
| } |
| throw new UnsupportedOperationException(buildErrorMessage("find sql accessor", type)); |
| } |
| |
| public static JType getHolderType(JCodeModel model, MinorType type, DataMode mode){ |
| switch (type) { |
| case UNION: |
| return model._ref(UnionHolder.class); |
| case DICT: |
| switch (mode) { |
| case REQUIRED: |
| case OPTIONAL: |
| return model._ref(DictHolder.class); |
| case REPEATED: |
| return model._ref(RepeatedDictHolder.class); |
| } |
| case MAP: |
| case LIST: |
| return model._ref(ComplexHolder.class); |
| |
| <#list vv.types as type> |
| <#list type.minor as minor> |
| case ${minor.class?upper_case}: |
| switch (mode) { |
| case REQUIRED: |
| return model._ref(${minor.class}Holder.class); |
| case OPTIONAL: |
| return model._ref(Nullable${minor.class}Holder.class); |
| case REPEATED: |
| return model._ref(Repeated${minor.class}Holder.class); |
| } |
| </#list> |
| </#list> |
| case GENERIC_OBJECT: |
| return model._ref(ObjectHolder.class); |
| case NULL: |
| return model._ref(UntypedNullHolder.class); |
| default: |
| break; |
| } |
| throw new UnsupportedOperationException(buildErrorMessage("get holder type", type, mode)); |
| } |
| |
| public static JType getComplexHolderType(JCodeModel model, MinorType type, DataMode mode) { |
| switch (type) { |
| case DICT: |
| switch (mode) { |
| case REQUIRED: |
| case OPTIONAL: |
| return model._ref(DictHolder.class); |
| case REPEATED: |
| return model._ref(RepeatedDictHolder.class); |
| } |
| case MAP: |
| switch (mode) { |
| case REQUIRED: |
| case OPTIONAL: |
| return model._ref(MapHolder.class); |
| case REPEATED: |
| return model._ref(RepeatedMapHolder.class); |
| } |
| case LIST: |
| switch (mode) { |
| case REQUIRED: |
| case OPTIONAL: |
| return model._ref(ListHolder.class); |
| case REPEATED: |
| return model._ref(RepeatedListHolder.class); |
| } |
| default: |
| throw new IllegalArgumentException("Complex type expected. Found: " + type); |
| } |
| } |
| } |