AbstractImmutableMapping.java

package org.om.core.impl.mapping.field;

import org.om.core.api.exception.MappingException;
import org.om.core.api.mapping.field.Mapping;
import org.om.core.impl.util.ClassUtils;

public class AbstractImmutableMapping implements Mapping {

	private final Class<?> declaredType;
	private final Class<?> implementationType;
	private final boolean simpleType;

	public AbstractImmutableMapping(Class<?> declaredType, Class<?> implementationType) {
		this.declaredType = declaredType;
		this.implementationType = implementationType;
		simpleType = String.class.equals(declaredType) || ClassUtils.isPrimitiveOrAutoboxed(declaredType);

		if (!declaredType.isAssignableFrom(implementationType))
			throw new MappingException("Invalid mapping. Implementation type " + implementationType.getName() + " is not a subtype of declared type "
					+ declaredType.getName());
	}

	@Override
	public Class<?> getDeclaredType() {
		return declaredType;
	}

	@Override
	public Class<?> getImplementationType() {
		return implementationType;
	}

	@Override
	public boolean isId() {
		return false;
	}

	@Override
	public boolean isPrimitiveOrWrappedType() {
		return simpleType;
	}

}