com.speedment.generator.translator.internal.component.TypeMapperComponentImpl Maven / Gradle / Ivy
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A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
The newest version!
/*
*
* Copyright (c) 2006-2019, 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.translator.internal.component;
import com.speedment.common.injector.Injector;
import com.speedment.common.injector.annotation.Inject;
import com.speedment.generator.translator.component.TypeMapperComponent;
import com.speedment.generator.translator.exception.SpeedmentTranslatorException;
import com.speedment.runtime.config.trait.HasTypeMapper;
import com.speedment.runtime.typemapper.TypeMapper;
import com.speedment.runtime.typemapper.bigdecimal.BigDecimalToDouble;
import com.speedment.runtime.typemapper.bytes.ByteZeroOneToBooleanMapper;
import com.speedment.runtime.typemapper.doubles.DoubleToFloatMapper;
import com.speedment.runtime.typemapper.doubles.PrimitiveDoubleToFloatMapper;
import com.speedment.runtime.typemapper.integer.*;
import com.speedment.runtime.typemapper.largeobject.BlobToBigIntegerMapper;
import com.speedment.runtime.typemapper.largeobject.BlobToByteArrayMapper;
import com.speedment.runtime.typemapper.largeobject.ClobToStringMapper;
import com.speedment.runtime.typemapper.longs.*;
import com.speedment.runtime.typemapper.other.BinaryToBigIntegerMapper;
import com.speedment.runtime.typemapper.other.BinaryToByteArrayMapper;
import com.speedment.runtime.typemapper.other.BinaryToUuidMapper;
import com.speedment.runtime.typemapper.primitive.PrimitiveTypeMapper;
import com.speedment.runtime.typemapper.shorts.PrimitiveShortToByteMapper;
import com.speedment.runtime.typemapper.shorts.ShortToByteMapper;
import com.speedment.runtime.typemapper.string.*;
import com.speedment.runtime.typemapper.time.*;
import java.math.BigDecimal;
import java.sql.*;
import java.sql.Date;
import java.util.*;
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 implements TypeMapperComponent {
private final Map>>> mappers;
private @Inject Injector injector;
/**
* Constructs the component.
*/
public TypeMapperComponentImpl() {
this.mappers = new ConcurrentHashMap<>();
// Special time mappers
install(Date.class, DateToLocalDateMapper::new);
install(Date.class, DateToLongMapper::new);
install(Date.class, DateToIntMapper::new);
install(Date.class, DateToPrimitiveIntMapper::new);
install(Date.class, DateToPrimitiveLongMapper::new);
install(Timestamp.class, TimestampToLongMapper::new);
install(Timestamp.class, TimestampToIntMapper::new);
install(Timestamp.class, TimestampToPrimitiveLongMapper::new);
install(Timestamp.class, TimestampToPrimitiveIntMapper::new);
install(Timestamp.class, TimestampToLocalDateTimeMapper::new);
install(Time.class, TimeToLongMapper::new);
install(Time.class, TimeToIntMapper::new);
install(Time.class, TimeToPrimitiveLongMapper::new);
install(Time.class, TimeToPrimitiveIntMapper::new);
install(Time.class, TimeToLocalTimeMapper::new);
install(Short.class, ShortEpochDaysToLocalDateMapper::new);
install(Integer.class, IntEpochDaysToLocalDateMapper::new);
// Special string mappers
install(String.class, StringToLocaleMapper::new);
install(String.class, TrueFalseStringToBooleanMapper::new);
install(String.class, YesNoStringToBooleanMapper::new);
install(String.class, YNStringToBooleanMapper::new);
install(String.class, StringToBigIntegerMapper::new);
install(String.class, StringToBigDecimalMapper::new);
// Special BigDecimal object mappers
install(BigDecimal.class, BigDecimalToDouble::new);
// Special Large object mappers
install(Clob.class, ClobToStringMapper::new);
install(Blob.class, BlobToByteArrayMapper::new);
install(Blob.class, BlobToBigIntegerMapper::new);
// Special Long mappers
install(Long.class, LongToIntegerMapper::new);
install(Long.class, LongToShortMapper::new);
install(Long.class, LongToByteMapper::new);
install(Long.class, PrimitiveLongToIntegerMapper::new);
install(Long.class, PrimitiveLongToShortMapper::new);
install(Long.class, PrimitiveLongToByteMapper::new);
// Special Integer mappers
install(Integer.class, IntegerZeroOneToBooleanMapper::new);
install(Integer.class, IntegerToShortMapper::new);
install(Integer.class, IntegerToByteMapper::new);
install(Integer.class, PrimitiveIntegerZeroOneToBooleanMapper::new);
install(Integer.class, PrimitiveIntegerToShortMapper::new);
install(Integer.class, PrimitiveIntegerToByteMapper::new);
install(Integer.class, DateIntToShortMapper::new);
install(Integer.class, DateIntToPrimitiveShortMapper::new);
// Special Byte mappers
install(Byte.class, ByteZeroOneToBooleanMapper::new);
// Special Short mappers
install(Short.class, ShortToByteMapper::new);
install(Short.class, PrimitiveShortToByteMapper::new);
// Special Double mappers
install(Double.class, DoubleToFloatMapper::new);
install(Double.class, PrimitiveDoubleToFloatMapper::new);
// Primitive mappers
install(Byte.class, PrimitiveTypeMapper::new);
install(Short.class, PrimitiveTypeMapper::new);
install(Integer.class, PrimitiveTypeMapper::new);
install(Long.class, PrimitiveTypeMapper::new);
install(Float.class, PrimitiveTypeMapper::new);
install(Double.class, PrimitiveTypeMapper::new);
install(Boolean.class, PrimitiveTypeMapper::new);
install(Character.class, PrimitiveTypeMapper::new);
// Others
install(Object.class, BinaryToUuidMapper::new);
install(Object.class, BinaryToByteArrayMapper::new);
install(Object.class, BinaryToBigIntegerMapper::new);
}
@Override
public void install(
Class databaseType,
Supplier> typeMapperConstructor) {
mappers.computeIfAbsent(
databaseType.getName(),
n -> new LinkedList<>()
).add(typeMapperConstructor);
}
@Override
public final Stream> mapFrom(Class databaseType) {
return mappers.getOrDefault(
databaseType.getName(),
Collections.emptyList()
)
.stream()
.map(Supplier::get)
.map(injector::inject);
}
@Override
public Stream> stream() {
return mappers.values().stream()
.flatMap(List::stream)
.map(Supplier::get)
.map(injector::inject);
}
@Override
public Optional> get(String absoluteClassName) {
return stream()
.filter(tm -> tm.getClass().getName().equals(absoluteClassName))
.findAny();
}
@Override
public TypeMapper get(HasTypeMapper column) {
return injector.inject(
column.getTypeMapper().map(name -> {
try {
@SuppressWarnings("unchecked")
final TypeMapper mapper =
(TypeMapper) injector.classLoader()
.loadClass(name).newInstance();
return mapper;
} catch (final ClassNotFoundException
| IllegalAccessException
| InstantiationException ex) {
throw new SpeedmentTranslatorException(
"Could not instantiate TypeMapper: '" + name + "'.", ex
);
}
}).orElseGet(TypeMapper::identity)
);
}
@Override
public Optional> findDatabaseTypeOf(
TypeMapper typeMapper) {
final Class needle = typeMapper.getClass();
return mappers.entrySet().stream()
.filter(e -> e.getValue().stream()
.map(Supplier::get)
.map(TypeMapper::getClass)
.anyMatch(needle::equals)
)
.map(Map.Entry::getKey)
.findAny()
.map(key -> {
try {
@SuppressWarnings("unchecked")
final Class result = (Class)
injector.classLoader().loadClass(key);
return result;
} catch (final ClassNotFoundException ex) {
throw new SpeedmentTranslatorException(
"Could not find installed type mapper key '" + key +
"' on class path.", ex
);
} catch (final ClassCastException ex) {
throw new SpeedmentTranslatorException(
"An error occured when an installed type mapper key " +
"was thrown to the expected type '" + key + "'.", ex
);
}
});
}
}