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PropertiesParametersResolver.java
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PropertiesParametersResolver.java
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/**
* Copyright (C) 2022 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.jopa.model.metamodel;
import java.lang.reflect.*;
class PropertiesParametersResolver {
private final java.lang.reflect.Type keyType;
private final java.lang.reflect.Type valueType;
PropertiesParametersResolver(Field propertiesField) {
final ParameterizedType typeSpec = (ParameterizedType) propertiesField.getGenericType();
assert typeSpec.getActualTypeArguments().length == 2;
this.keyType = typeSpec.getActualTypeArguments()[0];
this.valueType = typeSpec.getActualTypeArguments()[1];
}
java.lang.reflect.Type getKeyType() {
return keyType;
}
java.lang.reflect.Type getValueType() {
return valueType;
}
Class<?> getPropertyIdentifierType() {
assert keyType instanceof Class;
return (Class<?>) keyType;
}
Class<?> getPropertyValueType() {
assert valueType instanceof ParameterizedType;
final ParameterizedType type = (ParameterizedType) valueType;
assert type.getActualTypeArguments().length == 1;
assert type.getActualTypeArguments()[0] instanceof Class;
return (Class<?>) type.getActualTypeArguments()[0];
}
}