edu.harvard.med.screensaver.db.NoSuchEntityException.java Source code

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Here is the source code for edu.harvard.med.screensaver.db.NoSuchEntityException.java

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// $HeadURL$
// $Id$
//
// Copyright  2006, 2010, 2011, 2012 by the President and Fellows of Harvard College.
// 
// Screensaver is an open-source project developed by the ICCB-L and NSRB labs
// at Harvard Medical School. This software is distributed under the terms of
// the GNU General Public License.

package edu.harvard.med.screensaver.db;

import java.io.Serializable;
import java.util.Map;
import java.util.Map.Entry;

import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;

import edu.harvard.med.screensaver.model.Entity;

public class NoSuchEntityException extends RuntimeException {
    private static final long serialVersionUID = 1L;
    private static final Function<Entry<String, Object>, String> ToPropertyValueString = new Function<Entry<String, Object>, String>() {
        public String apply(Entry<String, Object> entry) {
            return entry.getKey() + " " + entry.getValue();
        }
    };
    private Map<String, Object> _propertyValues;

    public static NoSuchEntityException forEntityId(Class<? extends Entity> entityClass, Serializable entityId) {
        return forProperty(entityClass, "id", entityId);
    }

    public static NoSuchEntityException forProperty(Class<? extends Entity> entityClass, String propertyName,
            Object propertyValue) {
        return new NoSuchEntityException(entityClass, ImmutableMap.of(propertyName, propertyValue));
    }

    public static NoSuchEntityException forProperties(Class<? extends Entity> entityClass,
            Map<String, Object> propertyValues) {
        return new NoSuchEntityException(entityClass, propertyValues);
    }

    private NoSuchEntityException(Class<? extends Entity> entityClass, Map<String, Object> propertyValues) {
        super("no such " + entityClass.getSimpleName() + " for "
                + Joiner.on(", ").join(Iterables.transform(propertyValues.entrySet(), ToPropertyValueString)));
        _propertyValues = propertyValues;
    }

    public Map<String, Object> getPropertyValues() {
        return _propertyValues;
    }
}