com.speedment.generator.standard.internal.util.ColumnUtil 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.
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/*
*
* 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.standard.internal.util;
import com.speedment.generator.translator.component.TypeMapperComponent;
import com.speedment.runtime.config.Column;
import com.speedment.runtime.config.trait.HasNullable;
import java.lang.reflect.Type;
import java.util.Optional;
/**
*
* @author Emil Forslund
*/
public final class ColumnUtil {
public static boolean usesOptional(Column col) {
return col.isNullable()
&& HasNullable.ImplementAs.OPTIONAL
== col.getNullableImplementation();
}
public static Optional optionalGetterName(TypeMapperComponent typeMappers, Column column) {
final Type colType = typeMappers.get(column).getJavaType(column);
final String getterName;
if (usesOptional(column)) {
if (Double.class.getName().equals(colType.getTypeName())) {
getterName = ".getAsDouble()";
} else if (Integer.class.getName().equals(colType.getTypeName())) {
getterName = ".getAsInt()";
} else if (Long.class.getName().equals(colType.getTypeName())) {
getterName = ".getAsLong()";
} else {
getterName = ".get()";
}
} else {
return Optional.empty();
}
return Optional.of(getterName);
}
/**
* Utility classes should not be instantiated.
*/
private ColumnUtil() {
throw new UnsupportedOperationException();
}
}