?? atmosphere.java
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//$Id: Atmosphere.java 14736 2008-06-04 14:23:42Z hardy.ferentschik $
package org.hibernate.test.annotations.indexcoll;
import java.util.HashMap;
import java.util.Map;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToMany;
import javax.persistence.Column;
import javax.persistence.JoinTable;
import javax.persistence.JoinColumn;
import org.hibernate.annotations.MapKey;
import org.hibernate.annotations.CollectionOfElements;
import org.hibernate.annotations.MapKeyManyToMany;
/**
* @author Emmanuel Bernard
*/
@Entity
public class Atmosphere {
@Id
@GeneratedValue
public Integer id;
@ManyToMany(cascade = CascadeType.ALL)
@MapKey(columns = {@Column(name="gas_name")})
public Map<String, Gas> gases = new HashMap<String, Gas>();
@ManyToMany(cascade = CascadeType.ALL)
@MapKeyManyToMany(joinColumns = @JoinColumn(name="gas_id") )
@JoinTable(name = "Gas_per_key")
public Map<GasKey, Gas> gasesPerKey = new HashMap<GasKey, Gas>();
@CollectionOfElements
@Column(name="composition_rate")
@MapKeyManyToMany(joinColumns = @JoinColumn(name="gas_id"))
@JoinTable(name = "Composition", joinColumns = @JoinColumn(name = "atmosphere_id"))
public Map<Gas, Double> composition = new HashMap<Gas, Double>();
}
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