EDIT

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.model.description;

import java.util.HashSet;

import java.util.Iterator;

import java.util.Set;

import javax.persistence.Entity;

import javax.persistence.FetchType;

import javax.persistence.ManyToOne;

import javax.persistence.OneToMany;

import javax.persistence.Transient;

import javax.xml.bind.annotation.XmlAccessType;

import javax.xml.bind.annotation.XmlAccessorType;

import javax.xml.bind.annotation.XmlElement;

import javax.xml.bind.annotation.XmlElementWrapper;

import javax.xml.bind.annotation.XmlIDREF;

import javax.xml.bind.annotation.XmlRootElement;

import javax.xml.bind.annotation.XmlSchemaType;

import javax.xml.bind.annotation.XmlTransient;

import javax.xml.bind.annotation.XmlType;

import org.apache.log4j.Logger;

import org.hibernate.annotations.Cascade;

import org.hibernate.annotations.CascadeType;

import org.hibernate.envers.Audited;

import org.hibernate.search.annotations.Indexed;

import org.hibernate.validator.constraints.NotEmpty;

import eu.etaxonomy.cdm.model.common.DefinedTerm;

import eu.etaxonomy.cdm.validation.Level2;

/**

 * This class represents information pieces expressed in numerical data

 * (in opposition to {@link CategoricalData categorical data} on one side and to literal data on

 * the other side). Only {@link TaxonDescription taxon descriptions} and

 * {@link SpecimenDescription specimen descriptions} may contain quantitative data.<BR>

 * The "length of leaves" {@link Feature feature} for instance can be measured in inches.

 * If the length of leaves of a particular tree is described as

 * "typically between 3 and 5 inches" and "at the utmost 8 inches" then three

 * {@link StatisticalMeasurementValue statistical measurement value} instances

 * must be assigned to an instance of the present class

 * (with the {@link MeasurementUnit measurement unit} set to "inch"):<ul>

 * <li> the first one with the value "3" and the {@link StatisticalMeasure statistical measure}

 * "typical lower boundary",

 * <li> the second one with the value "5" and the statistical measure

 * "typical upper boundary"

 * <li> the third one with the value "8" and the statistical measure "maximum"

 * </ul>

 * <P>

 * This class corresponds partially to CodedDescriptionType according to

 * the SDD schema.

 *

 * @author m.doering

 * @version 1.0

 * @created 08-Nov-2007 13:06:46

 */

@XmlAccessorType(XmlAccessType.FIELD)

@XmlType(name = "QuantitativeData", propOrder = {

    "unit",

    "statisticalValues",

    "unknownData"

})

@XmlRootElement(name = "QuantitativeData")

@Entity

@Indexed(index = "eu.etaxonomy.cdm.model.description.DescriptionElementBase")

@Audited

public class QuantitativeData extends DescriptionElementBase implements Cloneable {

	private static final long serialVersionUID = -2755806455420051488L;

	private static final Logger logger = Logger.getLogger(QuantitativeData.class);

	@XmlElement(name = "MeasurementUnit")

	@XmlIDREF

	@XmlSchemaType(name = "IDREF")

	@ManyToOne(fetch = FetchType.LAZY)

	private MeasurementUnit unit;

	@XmlElementWrapper(name = "StatisticalValues")

	@XmlElement(name = "StatisticalValue")

	@OneToMany(fetch = FetchType.LAZY, mappedBy="quantitativeData", orphanRemoval=true)

	@Cascade({ CascadeType.SAVE_UPDATE, CascadeType.MERGE, CascadeType.DELETE})

	@NotEmpty(groups = Level2.class)

	private Set<StatisticalMeasurementValue> statisticalValues = new HashSet<StatisticalMeasurementValue>();

//see #4471

//	@Column(precision = 20, scale = 10)

//	private BigDecimal minimum;

//

//	@Column(precision = 20, scale = 10)

//	private BigDecimal maximum;

//

//	@Column(precision = 20, scale = 10)

//	private BigDecimal average;

//

//	@Column(precision = 16, scale = 8)

//	private BigDecimal variance;

//

//	@Column(precision = 16, scale = 8)

//	private BigDecimal standardDeviation;

//

//	@Column(precision = 20, scale = 10)

//	private BigDecimal singleValue;

//

//	private Integer sampleSize;

	@XmlElement(name = "UnknownData")

	private Boolean unknownData = false;

// ******************************** FACTORY METHOD *******************************/

	/**

	 * Creates a new empty quantitative data instance.

	 */

	public static QuantitativeData NewInstance(){

		return new QuantitativeData();

	}

// ******************************** FACTORY METHOD *******************************/

	/**

	 * Creates a new empty quantitative data instance.

	 */

	public static QuantitativeData NewInstance(Feature feature){

		return new QuantitativeData(feature);

	}

// ******************************** CONSTRUCTOR *******************************/

	/**

	 * Class constructor: creates a new empty quantitative data instance.

	 */

	protected QuantitativeData(){

		super(null);

	}

	/**

	 * Class constructor: creates a new empty quantitative data instance.

	 */

	protected QuantitativeData(Feature feature){

		super(feature);

	}

// ******************************** GETTER /SETTER *******************************/

	/**

	 * Returns the set of {@link StatisticalMeasurementValue statistical measurement values} describing

	 * the {@link Feature feature} corresponding to <i>this</i> quantitative data.

	 */

	public Set<StatisticalMeasurementValue> getStatisticalValues() {

		return statisticalValues;

	}

	@Deprecated  //for internal use only

	protected void setStatisticalValues(Set<StatisticalMeasurementValue> statisticalValues) {

		this.statisticalValues = statisticalValues;

	}

	/**

	 * Adds a {@link StatisticalMeasurementValue statistical measurement value} to the set of

	 * {@link #getStatisticalValues() statistical measurement values} describing

	 * the {@link Feature feature} corresponding to <i>this</i> quantitative data.

	 *

	 * @param statisticalValue	the statistical measurement value to be added to

	 * 							<i>this</i> quantitative data

	 * @see    	   				#getStatisticalValues()

	 */

	@SuppressWarnings("deprecation")

    public void addStatisticalValue(StatisticalMeasurementValue statisticalValue) {

		this.statisticalValues.add(statisticalValue);

		statisticalValue.setQuantitativeData(this);

	}

	/**

	 * Removes one element from the set of {@link #getStatisticalValues() statistical measurement values}

	 * describing the {@link Feature feature} corresponding to <i>this</i> quantitative data.

	 *

	 * @param  statisticalValue	the statistical measurement value which should be removed

	 * @see     				#getStatisticalValues()

	 * @see     				#addStatisticalValue(StatisticalMeasurementValue)

	 */

	@SuppressWarnings("deprecation")

    public void removeStatisticalValue(StatisticalMeasurementValue statisticalValue) {

		this.statisticalValues.remove(statisticalValue);

		statisticalValue.setQuantitativeData(null);

	}

	/**

	 * Returns the {@link MeasurementUnit measurement unit} used in <i>this</i>

	 * quantitative data.

	 */

	public MeasurementUnit getUnit(){

		return this.unit;

	}

	/**

	 * @see	#getUnit()

	 */

	public void setUnit(MeasurementUnit unit){

		this.unit = unit;

	}

// ******************************** TRANSIENT METHODS *******************************/

	/**

	 * Returns the numerical value of the one {@link StatisticalMeasurementValue statistical measurement value}

	 * with the corresponding {@link StatisticalMeasure statistical measure} "minimum" and

	 * belonging to <i>this</i> quantitative data. Returns <code>null</code> if no such

	 * statistical measurement value instance exists.

	 */

	@Transient

	public Float getMin(){

		return getSpecificStatisticalValue(StatisticalMeasure.MIN());

	}

	/**

	 * Returns the numerical value of the one {@link StatisticalMeasurementValue statistical measurement value}

	 * with the corresponding {@link StatisticalMeasure statistical measure} "maximum" and

	 * belonging to <i>this</i> quantitative data. Returns <code>null</code> if no such

	 * statistical measurement value instance exists.

	 */

	@Transient

	public Float getMax(){

		return getSpecificStatisticalValue(StatisticalMeasure.MAX());

	}

	/**

	 * Returns the numerical value of the one {@link StatisticalMeasurementValue statistical measurement value}

	 * with the corresponding {@link StatisticalMeasure statistical measure}

	 * "typical lower boundary" and belonging to <i>this</i> quantitative data.

	 * Returns <code>null</code> if no such statistical measurement value instance exists.

	 */

	@Transient

	public Float getTypicalLowerBoundary(){

		return getSpecificStatisticalValue(StatisticalMeasure.TYPICAL_LOWER_BOUNDARY());

	}

	/**

	 * Returns the numerical value of the one {@link StatisticalMeasurementValue statistical measurement value}

	 * with the corresponding {@link StatisticalMeasure statistical measure}

	 * "average" and belonging to <i>this</i> quantitative data.

	 * Returns <code>null</code> if no such statistical measurement value instance exists.

	 */

	@Transient

	public Float getAverage(){

		return getSpecificStatisticalValue(StatisticalMeasure.AVERAGE());

	}

	/**

	 * Returns the numerical value of the one {@link StatisticalMeasurementValue statistical measurement value}

	 * with the corresponding {@link StatisticalMeasure statistical measure}

	 * "standard deviation" and belonging to <i>this</i> quantitative data.

	 * Returns <code>null</code> if no such statistical measurement value instance exists.

	 */

	@Transient

	public Float getStandardDeviation(){

		return getSpecificStatisticalValue(StatisticalMeasure.STANDARD_DEVIATION());

	}

	/**

	 * Returns the numerical value of the one {@link StatisticalMeasurementValue statistical measurement value}

	 * with the corresponding {@link StatisticalMeasure statistical measure}

	 * "sample size" and belonging to <i>this</i> quantitative data.

	 * Returns <code>null</code> if no such statistical measurement value instance exists.

	 */

	@Transient

	public Float getSampleSize(){

		return getSpecificStatisticalValue(StatisticalMeasure.SAMPLE_SIZE());

	}

	/**

	 * Returns the numerical value of the one {@link StatisticalMeasurementValue statistical measurement value}

	 * with the corresponding {@link StatisticalMeasure statistical measure}

	 * "typical upper boundary" and belonging to <i>this</i> quantitative data.

	 * Returns <code>null</code> if no such statistical measurement value instance exists.

	 */

	@Transient

	public Float getTypicalUpperBoundary(){

		return getSpecificStatisticalValue(StatisticalMeasure.TYPICAL_UPPER_BOUNDARY());

	}

	/**

	 * Returns the statistical value of type <code>type</code>.

	 * If no such value exists <code>null</code> is returned. If multiple such

	 * values exist an arbitrary one is returned.

	 * @param type

	 * @return the value

	 */

	public Float getSpecificStatisticalValue(StatisticalMeasure type){

		Float result = null;

		for (StatisticalMeasurementValue value : statisticalValues){

			if (type.equals(value.getType())){

				result = value.getValue();

				break;

			}

		}

		return result;

	}

	/**

	 * Sets the statistical value for the minimum.

	 * If such value exists the old value is replaced by the new value.

	 * The new value is returned.

	 * @param type

	 * @param value

	 * @return the newValue

	 */

	@Transient

	public StatisticalMeasurementValue setMinimum(Float value, Set<DefinedTerm> modifiers){

		return setSpecificStatisticalValue(value, modifiers, StatisticalMeasure.MIN());

	}

	/**

	 * Sets the statistical value for the maximum.

	 * If such value exists the old value is replaced by the new value.

	 * The new value is returned.

	 * @param type

	 * @param value

	 * @return the newValue

	 */

	@Transient

	public StatisticalMeasurementValue setMaximum(Float value, Set<DefinedTerm> modifiers){

		return setSpecificStatisticalValue(value, modifiers, StatisticalMeasure.MAX());

	}

	/**

	 * Sets the statistical value for the average.

	 * If such value exists the old value is replaced by the new value.

	 * The new value is returned.

	 * @param type

	 * @param value

	 * @return the newValue

	 */

	@Transient

	public StatisticalMeasurementValue setAverage(Float value, Set<DefinedTerm> modifiers){

		return setSpecificStatisticalValue(value, modifiers, StatisticalMeasure.AVERAGE());

	}

	/**

	 * Sets the statistical value for the standard deviation.

	 * If such value exists the old value is replaced by the new value.

	 * The new value is returned.

	 * @param type

	 * @param value

	 * @return the newValue

	 */

	@Transient

	public StatisticalMeasurementValue setStandardDeviation(Float value, Set<DefinedTerm> modifiers){

		return setSpecificStatisticalValue(value, modifiers, StatisticalMeasure.STANDARD_DEVIATION());

	}

	/**

	 * Sets the statistical value for the sample size.

	 * If such value exists the old value is replaced by the new value.

	 * The new value is returned.

	 * @param type

	 * @param value

	 * @return the newValue

	 */

	@Transient

	public StatisticalMeasurementValue setSampleSize(Float value, Set<DefinedTerm> modifiers){

		return setSpecificStatisticalValue(value, modifiers, StatisticalMeasure.SAMPLE_SIZE());

	}

	/**

	 * Sets the statistical value for the typical lower boundary.

	 * If such value exists the old value is replaced by the new value.

	 * The new value is returned.

	 * @param type

	 * @param value

	 * @return the newValue

	 */

	@Transient

	public StatisticalMeasurementValue setTypicalLowerBoundary(Float value, Set<DefinedTerm> modifiers){

		return setSpecificStatisticalValue(value, modifiers, StatisticalMeasure.TYPICAL_LOWER_BOUNDARY());

	}

	/**

	 * Sets the statistical value for the typical upper boundary.

	 * If such value exists the old value is replaced by the new value.

	 * The new value is returned.

	 * @param type

	 * @param value

	 * @return the newValue

	 */

	@Transient

	public StatisticalMeasurementValue setTypicalUpperBoundary(Float value, Set<DefinedTerm> modifiers){

		return setSpecificStatisticalValue(value, modifiers, StatisticalMeasure.TYPICAL_UPPER_BOUNDARY());

	}

	/**

	 * Sets the statistical value of type <code>type</code>.

	 * If such value exists the old value is replaced by the new value.

	 * The new value is returned.

	 * @param type

	 * @param value

	 * @return the newValue

	 */

	public StatisticalMeasurementValue setSpecificStatisticalValue(Float value, Set<DefinedTerm> modifiers, StatisticalMeasure type){

	    StatisticalMeasurementValue result = null;

		StatisticalMeasurementValue existingSmValue = null;

        for (StatisticalMeasurementValue existingValue : statisticalValues){

            if (type.equals(existingValue.getType())){

                existingSmValue = existingValue;

                break;

            }

        }

        if (value == null && existingSmValue == null){

            return null;

        }else if (value == null && existingSmValue != null){

            this.removeStatisticalValue(existingSmValue);

            return null;

        }else if (value != null && existingSmValue == null){

            result = StatisticalMeasurementValue.NewInstance(type, value);

            if (modifiers != null){

                for (DefinedTerm modifier : modifiers){

                    result.addModifier(modifier);

                }

            }

            this.addStatisticalValue(result);

        } else if (value != null && existingSmValue != null){

            result = existingSmValue;

            result.setValue(value);

            //remove existing modifiers

            Iterator<DefinedTerm> it = result.getModifiers().iterator();

            while (it.hasNext()){

                it.remove();

            }

            //add new modifiers

            if (modifiers != null){

                for (DefinedTerm modifier : modifiers){

                    result.addModifier(modifier);

                }

            }

        }

		return result;

	}

//   public StatisticalMeasurementValue setSpecificStatisticalValue_old(Float value, Set<DefinedTerm> modifiers, StatisticalMeasure type){

//        StatisticalMeasurementValue result = null;

//        if (value != null){

//            StatisticalMeasurementValue newValue = StatisticalMeasurementValue.NewInstance();

//            newValue.setValue(value);

//            if (modifiers != null){

//                newValue.getModifiers().addAll(modifiers);

//            }

//            newValue.setType(type);

//            result = newValue;

//        }

//        for (StatisticalMeasurementValue existingValue : statisticalValues){

//            if (type.equals(existingValue.getType())){

//                result = existingValue;

//                statisticalValues.remove(existingValue);

//                break;

//            }

//        }

//        if (result != null){

//            statisticalValues.add(result);

//        }

//        return result;

//    }

	public Boolean getUnknownData() {

		return unknownData;

	}

	public void setUnknownData(Boolean unknownData) {

		this.unknownData = unknownData;

	}

//

//	public BigDecimal getMinimum() {

//		return minimum;

//	}

//

//	public void setMinimum(BigDecimal minimum) {

//		this.minimum = minimum;

//	}

//

//	public BigDecimal getMaximum() {

//		return maximum;

//	}

//

//	public void setMaximum(BigDecimal maximum) {

//		this.maximum = maximum;

//	}

//

//	public BigDecimal getVariance() {

//		return variance;

//	}

//

//	public void setVariance(BigDecimal variance) {

//		this.variance = variance;

//	}

//

//	public BigDecimal getSingleValue() {

//		return singleValue;

//	}

//

//	public void setSingleValue(BigDecimal singleValue) {

//		this.singleValue = singleValue;

//	}

//

//	public void setAverage(BigDecimal average) {

//		this.average = average;

//	}

//

//	public void setStandardDeviation(BigDecimal standardDeviation) {

//		this.standardDeviation = standardDeviation;

//	}

//

//	public void setSampleSize(Integer sampleSize) {

//		this.sampleSize = sampleSize;

//	}

    @Transient

    @XmlTransient

    @Override

    public boolean isCharacterData() {

        return true;

    }

//*********************************** CLONE *****************************************/

	/**

	 * Clones <i>this</i> quantitative data. This is a shortcut that enables to create

	 * a new instance that differs only slightly from <i>this</i> quantitative data by

	 * modifying only some of the attributes.

	 *

	 * @see eu.etaxonomy.cdm.model.description.DescriptionElementBase#clone()

	 * @see java.lang.Object#clone()

	 */

	@Override

	public Object clone() {

		try {

			QuantitativeData result = (QuantitativeData)super.clone();

			//states

			result.statisticalValues = new HashSet<StatisticalMeasurementValue>();

			for (StatisticalMeasurementValue data : getStatisticalValues()){

				//TODO do we need to clone here?

				StatisticalMeasurementValue newData = (StatisticalMeasurementValue)data.clone();

				result.statisticalValues.add(newData);

			}

			return result;

			//no changes to: unit

		} catch (CloneNotSupportedException e) {

			logger.warn("Object does not implement cloneable");

			e.printStackTrace();

			return null;

		}

	}

}