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Runtime: Move TypeMapperComponent to Generator module
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Emil Forslund
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Jul 21, 2016
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297 changes: 149 additions & 148 deletions
297
...al/component/TypeMapperComponentImpl.java → ...al/component/TypeMapperComponentImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,149 +1,150 @@ | ||
| /** | ||
| * | ||
| * Copyright (c) 2006-2016, Speedment, Inc. All Rights Reserved. | ||
| * | ||
| * Licensed 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 com.speedment.runtime.internal.component; | ||
|
|
||
| import com.speedment.common.injector.Injector; | ||
| import com.speedment.common.injector.annotation.Inject; | ||
| import com.speedment.runtime.component.TypeMapperComponent; | ||
| import com.speedment.runtime.config.Column; | ||
| import com.speedment.runtime.config.mapper.TypeMapper; | ||
| import com.speedment.runtime.config.mapper.bigdecimal.BigDecimalToDouble; | ||
| import com.speedment.runtime.config.mapper.integer.IntegerZeroOneToBooleanMapper; | ||
| import com.speedment.runtime.config.mapper.largeobject.ClobToStringMapper; | ||
| import com.speedment.runtime.config.mapper.string.StringToLocaleMapper; | ||
| import com.speedment.runtime.config.mapper.string.TrueFalseStringToBooleanMapper; | ||
| import com.speedment.runtime.config.mapper.string.YesNoStringToBooleanMapper; | ||
| import com.speedment.runtime.config.mapper.time.DateToIntMapper; | ||
| import com.speedment.runtime.config.mapper.time.DateToLongMapper; | ||
| import com.speedment.runtime.config.mapper.time.TimeToIntMapper; | ||
| import com.speedment.runtime.config.mapper.time.TimeToLongMapper; | ||
| import com.speedment.runtime.config.mapper.time.TimestampToIntMapper; | ||
| import com.speedment.runtime.config.mapper.time.TimestampToLongMapper; | ||
| import com.speedment.runtime.exception.SpeedmentException; | ||
| import com.speedment.runtime.license.Software; | ||
| import java.math.BigDecimal; | ||
| import java.sql.Clob; | ||
| import java.sql.Date; | ||
| import java.sql.Time; | ||
| import java.sql.Timestamp; | ||
| import java.util.Collections; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
|
|
||
| import java.util.Map; | ||
| import java.util.Optional; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
| import java.util.function.Supplier; | ||
| import java.util.stream.Stream; | ||
|
|
||
| /** | ||
| * | ||
| * @author Emil Forslund | ||
| * @since 2.2.0 | ||
| */ | ||
| public final class TypeMapperComponentImpl extends InternalOpenSourceComponent implements TypeMapperComponent { | ||
|
|
||
| private final Map<String, List<Supplier<TypeMapper<?, ?>>>> mappers; | ||
| private @Inject Injector injector; | ||
|
|
||
| /** | ||
| * Constructs the component. | ||
| */ | ||
| public TypeMapperComponentImpl() { | ||
| this.mappers = new ConcurrentHashMap<>(); | ||
|
|
||
| // Special time mappers | ||
| install(Date.class, DateToLongMapper::new); | ||
| install(Timestamp.class, TimestampToLongMapper::new); | ||
| install(Time.class, TimeToLongMapper::new); | ||
| install(Date.class, DateToIntMapper::new); | ||
| install(Timestamp.class, TimestampToIntMapper::new); | ||
| install(Time.class, TimeToIntMapper::new); | ||
|
|
||
| // Special string mappers | ||
| install(String.class, StringToLocaleMapper::new); | ||
| install(String.class, TrueFalseStringToBooleanMapper::new); | ||
| install(String.class, YesNoStringToBooleanMapper::new); | ||
|
|
||
| // Special BigDecimal object mappers | ||
| install(BigDecimal.class, BigDecimalToDouble::new); | ||
|
|
||
| // Special Large object mappers | ||
| install(Clob.class, ClobToStringMapper::new); | ||
|
|
||
| // Special integer mappers | ||
| install(Integer.class, IntegerZeroOneToBooleanMapper::new); | ||
| } | ||
|
|
||
| @Override | ||
| protected String getDescription() { | ||
| return "Holds all the type mappers that have been installed into the Speedment Platform. " + | ||
| "A Type Mapper is used to convert between database types and java types."; | ||
| } | ||
|
|
||
| @Override | ||
| public void install(Class<?> databaseType, Supplier<TypeMapper<?, ?>> typeMapperConstructor) { | ||
| mappers.computeIfAbsent( | ||
| databaseType.getName(), | ||
| n -> new LinkedList<>() | ||
| ).add(typeMapperConstructor); | ||
| } | ||
|
|
||
| @Override | ||
| public final Stream<TypeMapper<?, ?>> mapFrom(Class<?> databaseType) { | ||
| return mappers.getOrDefault(databaseType.getName(), Collections.emptyList()) | ||
| .stream() | ||
| .map(Supplier::get) | ||
| .map(injector::inject); | ||
| } | ||
|
|
||
| @Override | ||
| public Stream<TypeMapper<?, ?>> stream() { | ||
| return mappers.values().stream() | ||
| .flatMap(List::stream) | ||
| .map(Supplier::get) | ||
| .map(injector::inject); | ||
| } | ||
|
|
||
| @Override | ||
| public Optional<TypeMapper<?, ?>> get(String absoluteClassName) { | ||
| return stream() | ||
| .filter(tm -> tm.getClass().getName().equals(absoluteClassName)) | ||
| .findAny(); | ||
| } | ||
|
|
||
| @Override | ||
| public TypeMapper<?, ?> get(Column column) { | ||
| return injector.inject( | ||
| column.getTypeMapper().map(name -> { | ||
| try { | ||
| @SuppressWarnings("unchecked") | ||
| final TypeMapper<Object, Object> mapper = | ||
| (TypeMapper<Object, Object>) Class.forName(name).newInstance(); | ||
| return mapper; | ||
| } catch (ClassNotFoundException | IllegalAccessException | InstantiationException ex) { | ||
| throw new SpeedmentException("Could not instantiate TypeMapper: '" + name + "'.", ex); | ||
| } | ||
| }).orElseGet(TypeMapper::identity) | ||
| ); | ||
| } | ||
|
|
||
| @Override | ||
| public Stream<Software> getDependencies() { | ||
| return Stream.empty(); | ||
| } | ||
| /** | ||
| * | ||
| * Copyright (c) 2006-2016, Speedment, Inc. All Rights Reserved. | ||
| * | ||
| * Licensed 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 com.speedment.generator.internal.component; | ||
|
|
||
| import com.speedment.common.injector.Injector; | ||
| import com.speedment.common.injector.annotation.Inject; | ||
| import com.speedment.runtime.component.TypeMapperComponent; | ||
| import com.speedment.runtime.config.Column; | ||
| import com.speedment.runtime.config.mapper.TypeMapper; | ||
| import com.speedment.runtime.config.mapper.bigdecimal.BigDecimalToDouble; | ||
| import com.speedment.runtime.config.mapper.integer.IntegerZeroOneToBooleanMapper; | ||
| import com.speedment.runtime.config.mapper.largeobject.ClobToStringMapper; | ||
| import com.speedment.runtime.config.mapper.string.StringToLocaleMapper; | ||
| import com.speedment.runtime.config.mapper.string.TrueFalseStringToBooleanMapper; | ||
| import com.speedment.runtime.config.mapper.string.YesNoStringToBooleanMapper; | ||
| import com.speedment.runtime.config.mapper.time.DateToIntMapper; | ||
| import com.speedment.runtime.config.mapper.time.DateToLongMapper; | ||
| import com.speedment.runtime.config.mapper.time.TimeToIntMapper; | ||
| import com.speedment.runtime.config.mapper.time.TimeToLongMapper; | ||
| import com.speedment.runtime.config.mapper.time.TimestampToIntMapper; | ||
| import com.speedment.runtime.config.mapper.time.TimestampToLongMapper; | ||
| import com.speedment.runtime.exception.SpeedmentException; | ||
| import com.speedment.runtime.internal.component.InternalOpenSourceComponent; | ||
| import com.speedment.runtime.license.Software; | ||
| import java.math.BigDecimal; | ||
| import java.sql.Clob; | ||
| import java.sql.Date; | ||
| import java.sql.Time; | ||
| import java.sql.Timestamp; | ||
| import java.util.Collections; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
|
|
||
| import java.util.Map; | ||
| import java.util.Optional; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
| import java.util.function.Supplier; | ||
| import java.util.stream.Stream; | ||
|
|
||
| /** | ||
| * | ||
| * @author Emil Forslund | ||
| * @since 2.2.0 | ||
| */ | ||
| public final class TypeMapperComponentImpl extends InternalOpenSourceComponent implements TypeMapperComponent { | ||
|
|
||
| private final Map<String, List<Supplier<TypeMapper<?, ?>>>> mappers; | ||
| private @Inject Injector injector; | ||
|
|
||
| /** | ||
| * Constructs the component. | ||
| */ | ||
| public TypeMapperComponentImpl() { | ||
| this.mappers = new ConcurrentHashMap<>(); | ||
|
|
||
| // Special time mappers | ||
| install(Date.class, DateToLongMapper::new); | ||
| install(Timestamp.class, TimestampToLongMapper::new); | ||
| install(Time.class, TimeToLongMapper::new); | ||
| install(Date.class, DateToIntMapper::new); | ||
| install(Timestamp.class, TimestampToIntMapper::new); | ||
| install(Time.class, TimeToIntMapper::new); | ||
|
|
||
| // Special string mappers | ||
| install(String.class, StringToLocaleMapper::new); | ||
| install(String.class, TrueFalseStringToBooleanMapper::new); | ||
| install(String.class, YesNoStringToBooleanMapper::new); | ||
|
|
||
| // Special BigDecimal object mappers | ||
| install(BigDecimal.class, BigDecimalToDouble::new); | ||
|
|
||
| // Special Large object mappers | ||
| install(Clob.class, ClobToStringMapper::new); | ||
|
|
||
| // Special integer mappers | ||
| install(Integer.class, IntegerZeroOneToBooleanMapper::new); | ||
| } | ||
|
|
||
| @Override | ||
| protected String getDescription() { | ||
| return "Holds all the type mappers that have been installed into the Speedment Platform. " + | ||
| "A Type Mapper is used to convert between database types and java types."; | ||
| } | ||
|
|
||
| @Override | ||
| public void install(Class<?> databaseType, Supplier<TypeMapper<?, ?>> typeMapperConstructor) { | ||
| mappers.computeIfAbsent( | ||
| databaseType.getName(), | ||
| n -> new LinkedList<>() | ||
| ).add(typeMapperConstructor); | ||
| } | ||
|
|
||
| @Override | ||
| public final Stream<TypeMapper<?, ?>> mapFrom(Class<?> databaseType) { | ||
| return mappers.getOrDefault(databaseType.getName(), Collections.emptyList()) | ||
| .stream() | ||
| .map(Supplier::get) | ||
| .map(injector::inject); | ||
| } | ||
|
|
||
| @Override | ||
| public Stream<TypeMapper<?, ?>> stream() { | ||
| return mappers.values().stream() | ||
| .flatMap(List::stream) | ||
| .map(Supplier::get) | ||
| .map(injector::inject); | ||
| } | ||
|
|
||
| @Override | ||
| public Optional<TypeMapper<?, ?>> get(String absoluteClassName) { | ||
| return stream() | ||
| .filter(tm -> tm.getClass().getName().equals(absoluteClassName)) | ||
| .findAny(); | ||
| } | ||
|
|
||
| @Override | ||
| public TypeMapper<?, ?> get(Column column) { | ||
| return injector.inject( | ||
| column.getTypeMapper().map(name -> { | ||
| try { | ||
| @SuppressWarnings("unchecked") | ||
| final TypeMapper<Object, Object> mapper = | ||
| (TypeMapper<Object, Object>) Class.forName(name).newInstance(); | ||
| return mapper; | ||
| } catch (ClassNotFoundException | IllegalAccessException | InstantiationException ex) { | ||
| throw new SpeedmentException("Could not instantiate TypeMapper: '" + name + "'.", ex); | ||
| } | ||
| }).orElseGet(TypeMapper::identity) | ||
| ); | ||
| } | ||
|
|
||
| @Override | ||
| public Stream<Software> getDependencies() { | ||
| return Stream.empty(); | ||
| } | ||
| } |
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