Hibernate example source code file (VersionsJoinTableRangeComponent.java)

This example Hibernate source code file (VersionsJoinTableRangeComponent.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

arraylist, join_table_component_1_aud, joincolumn, joincolumn, list, onetomany, override, override, stringbuilder, stringbuilder, t, util, versionsjointablerangecomponent, versionsjointablerangecomponent, vjtrcte_id

The Hibernate VersionsJoinTableRangeComponent.java source code

package org.hibernate.envers.test.integration.naming;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Embeddable;
import javax.persistence.FetchType;
import javax.persistence.JoinColumn;
import javax.persistence.OneToMany;
import org.hibernate.annotations.FetchMode;

/**
 * An embeddable component containing a list of
 * {@link VersionsJoinTableRangeTestEntitySuperClass}-instances
 * 
 * @author Erik-Berndt Scheper
 * @param <T>
 */
@Embeddable
public final class VersionsJoinTableRangeComponent<T extends VersionsJoinTableRangeTestEntitySuperClass> {

	@OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL)
	@org.hibernate.annotations.Fetch(value = FetchMode.SUBSELECT) 
	@org.hibernate.annotations.Cascade(org.hibernate.annotations.CascadeType.DELETE_ORPHAN)
	@JoinColumn(name = "VJTRCTE_ID", insertable = true, updatable = false, nullable = false)
//	Note:	If this is processed without override annotation, then we should get a 
//			org.hibernate.DuplicateMappingException: 
//			Duplicate class/entity mapping JOIN_TABLE_COMPONENT_1_AUD
	@org.hibernate.envers.AuditJoinTable(name = "JOIN_TABLE_COMPONENT_1_AUD", inverseJoinColumns = @JoinColumn(name = "VJTRTE_ID"))
	private List<T> range = new ArrayList();

	// ********************** Accessor Methods ********************** //

	protected List<T> getRange() {
		return this.range;
	}

	// ********************** Common Methods ********************** //

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((range == null) ? 0 : range.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		VersionsJoinTableRangeComponent<?> other = (VersionsJoinTableRangeComponent) obj;
		if (range == null) {
			if (other.range != null)
				return false;
		} else if (!range.equals(other.range))
			return false;
		return true;
	}

	@Override
	public String toString() {
		StringBuilder output = new StringBuilder();

		output.append("VersionsJoinTableRangeComponent {");
		output.append(" range = \"");
		for (T instance : range) {
			output.append(instance).append("\n");
		}
		output.append("\"}");

		return output.toString();
	}

}