Java tutorial
/** * Copyright (C) 2008 University of Pittsburgh * * * This file is part of Open EpiCenter * * Open EpiCenter 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. * * Open EpiCenter 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 Open EpiCenter. If not, see <http://www.gnu.org/licenses/>. * * * */ package com.hmsinc.epicenter.model.analysis.classify; import static javax.persistence.GenerationType.AUTO; import java.util.HashSet; import java.util.Set; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.FetchType; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.ManyToMany; import javax.persistence.ManyToOne; import javax.persistence.NamedQueries; import javax.persistence.NamedQuery; import javax.persistence.Table; import javax.persistence.Transient; import javax.persistence.UniqueConstraint; import javax.xml.bind.annotation.XmlAccessType; import javax.xml.bind.annotation.XmlAccessorType; import javax.xml.bind.annotation.XmlAttribute; import javax.xml.bind.annotation.XmlRootElement; import javax.xml.bind.annotation.XmlType; import org.apache.commons.lang.builder.CompareToBuilder; import org.apache.commons.lang.builder.EqualsBuilder; import org.apache.commons.lang.builder.HashCodeBuilder; import org.apache.commons.lang.builder.ToStringBuilder; import org.hibernate.annotations.Cache; import org.hibernate.annotations.CacheConcurrencyStrategy; import org.hibernate.annotations.ForeignKey; import org.hibernate.annotations.GenericGenerator; import org.hibernate.annotations.Parameter; import com.hmsinc.epicenter.model.analysis.AnalysisObject; import com.hmsinc.epicenter.model.analysis.QueryableAttribute; import com.hmsinc.epicenter.model.health.Interaction; /** * A category of a Classifier. * * This class is designed to be used with both a database and an XML descriptor. * * @author <a href="mailto:steve.kondik@hmsinc.com">Steve Kondik</a> * @version $Id:Classification.java 219 2007-07-17 14:37:39Z steve.kondik $ */ @Entity @Table(name = "CLASSIFICATION", uniqueConstraints = { @UniqueConstraint(columnNames = { "ID_CLASSIFIER", "CATEGORY" }) }) @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) @NamedQueries({ @NamedQuery(name = "getClassifications", query = "from Classification c where c.classifier = :classifier and c.category in (:categories)") }) @XmlType(name = "Classification", namespace = "http://epicenter.hmsinc.com/model") @XmlRootElement(name = "classification", namespace = "http://epicenter.hmsinc.com/model") @XmlAccessorType(XmlAccessType.NONE) public class Classification implements AnalysisObject, QueryableAttribute, Comparable<Classification> { /** * */ private static final long serialVersionUID = -2211596594413609529L; @XmlAttribute(required = true) private Long id; private Classifier classifier; @XmlAttribute(required = true) private String category; private String description; private Set<Interaction> interactions = new HashSet<Interaction>(); /** * */ public Classification() { super(); } /** * @param classifier * @param category */ public Classification(Classifier classifier, String category) { super(); this.classifier = classifier; this.category = category; } /** * @return the id */ @GenericGenerator(name = "generator", strategy = "native", parameters = { @Parameter(name = "sequence", value = "SEQ_CLASSIFICATION") }) @Id @GeneratedValue(strategy = AUTO, generator = "generator") @Column(name = "ID", nullable = false, insertable = true, updatable = true) public Long getId() { return id; } /** * @param id * the id to set */ public void setId(Long id) { this.id = id; } /** * @return the classifier */ @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = "ID_CLASSIFIER", unique = false, nullable = false, insertable = true, updatable = true) @ForeignKey(name = "FK_CLASSIFICATION_1") public Classifier getClassifier() { return classifier; } /** * @param classifier * the classifier to set */ public void setClassifier(Classifier classifier) { this.classifier = classifier; } /** * @return the category */ @Column(name = "CATEGORY", unique = false, nullable = false, insertable = true, updatable = true, length = 40) public String getCategory() { return category; } /** * @param category * the category to set */ public void setCategory(String category) { this.category = category; } /** * @return the description */ @Column(name = "DESCRIPTION", unique = false, nullable = true, insertable = true, updatable = true, length = 400) public String getDescription() { return description; } /** * @param description the description to set */ public void setDescription(String description) { this.description = description; } /** * @return the interactions */ @ManyToMany(mappedBy = "classifications", targetEntity = Interaction.class) @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) @ForeignKey(name = "FK_HEALTH_ENCOUNT_CLASS_2") public Set<Interaction> getInteractions() { return interactions; } /** * @param interactions * the interactions to set */ public void setInteractions(Set<Interaction> interactions) { this.interactions = interactions; } /* (non-Javadoc) * @see com.hmsinc.epicenter.model.attribute.Attribute#getName() */ @Transient public String getName() { return this.category; } /* * (non-Javadoc) * * @see java.lang.Object#hashCode() */ @Override public int hashCode() { final HashCodeBuilder hb = new HashCodeBuilder(13, 5).append(getCategory()); if (getClassifier() != null) { hb.append(getClassifier().getName()).append(getClassifier().getVersion()); } return hb.toHashCode(); } /* * (non-Javadoc) * * @see java.lang.Object#equals(java.lang.Object) */ @Override public boolean equals(Object o) { boolean ret = false; if (o instanceof String && getCategory().equals(o)) { ret = true; } else if (o instanceof Classification == false) { ret = false; } else if (this == o) { ret = true; } else { final Classification ag = (Classification) o; final EqualsBuilder eb = new EqualsBuilder().append(getCategory(), ag.getCategory()); if (getClassifier() != null) { eb.append(getClassifier().getName(), ag.getClassifier().getName()) .append(getClassifier().getVersion(), ag.getClassifier().getVersion()); } ret = eb.isEquals(); } return ret; } /* (non-Javadoc) * @see java.lang.Comparable#compareTo(java.lang.Object) */ public int compareTo(Classification c) { return new CompareToBuilder().append(getCategory(), c.getCategory()).toComparison(); } /* * (non-Javadoc) * * @see java.lang.Object#toString() */ @Override public String toString() { return new ToStringBuilder(this).append("id", id) .append("classifier", (classifier == null ? null : classifier.getName() + ":" + classifier.getVersion())) .append("category", category).toString(); } }