better mapping of paccomponent

hsarback/src/de/hsadmin/mods/pac/Pac.java

@@ -10,7 +10,6 @@ import java.util.Date;
 import java.util.HashSet;
 import java.util.Set;
 
-import javax.persistence.CascadeType;
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.EntityManager;
@@ -97,9 +96,11 @@ public class Pac extends AbstractEntity implements Serializable {
 		pacComponents = new HashSet<PacComponent>();
 		Date today = new Date();
 		for (Component comp : basepac.getComponents()) {
-			PacComponent pacComp = new PacComponent(basepac,
-					comp.getBaseComponent(), this, comp.getDefaultQuantity(),
-					today, null);
+			PacComponent pacComp = new PacComponent();
+			pacComp.setCreated(today);
+			pacComp.setComponent(comp);
+			pacComp.setPac(this);
+			pacComp.setQuantity(comp.getDefaultQuantity());
 			pacComponents.add(pacComp);
 		}
 	}

hsarback/src/de/hsadmin/mods/pac/PacComponent.java

@@ -8,6 +8,7 @@ import javax.persistence.Entity;
 import javax.persistence.Id;
 import javax.persistence.IdClass;
 import javax.persistence.JoinColumn;
+import javax.persistence.JoinColumns;
 import javax.persistence.ManyToOne;
 import javax.persistence.Table;
 import javax.persistence.Temporal;
@@ -27,13 +28,11 @@ public class PacComponent implements Serializable {
 	
 	@Id
 	@ManyToOne
-	@JoinColumn(name = "basecomponent_id")
-	private BaseComponent baseComponent;
-
-	@Id
-	@ManyToOne
-	@JoinColumn(name = "basepacket_id")
-	private BasePac basePac;
+	@JoinColumns({
+		@JoinColumn(name = "basecomponent_id"),
+		@JoinColumn(name = "basepacket_id")
+	})
+	private Component component;
 
 	@Column(name = "quantity", columnDefinition = "integer")
 	private int quantity;
@@ -46,33 +45,12 @@ public class PacComponent implements Serializable {
 	@Temporal(TemporalType.DATE)
 	private Date cancelled;
 
-	public PacComponent() {
-	}
-
-	public PacComponent(BasePac basePac, BaseComponent baseComp, Pac pac,
-			int quantity, Date created, Date cancelled) {
-		this.basePac = basePac;
-		this.pac = pac;
-		this.baseComponent = baseComp;
-		this.quantity = quantity;
-		this.created = created;
-		this.cancelled = cancelled;
-	}
-
 	public BasePac getBasePac() {
-		return basePac;
-	}
-
-	public void setbasePac(BasePac basePac) {
-		this.basePac = basePac;
+		return getComponent().getBasePac();
 	}
 
 	public BaseComponent getBaseComponent() {
-		return baseComponent;
-	}
-
-	public void setBaseComponent(BaseComponent baseComponent) {
-		this.baseComponent = baseComponent;
+		return getComponent().getBaseComponent();
 	}
 
 	public Pac getPac() {
@@ -107,4 +85,12 @@ public class PacComponent implements Serializable {
 		this.cancelled = cancelled;
 	}
 
+	public Component getComponent() {
+		return component;
+	}
+
+	public void setComponent(Component component) {
+		this.component = component;
+	}
+
 }

hsarback/src/de/hsadmin/mods/pac/PacComponentId.java

@@ -3,27 +3,25 @@ package de.hsadmin.mods.pac;
 import java.io.Serializable;
 
 
-
 public class PacComponentId implements Serializable {
 
 	private static final long serialVersionUID = 1L;
 	
 	private long pac;
-	private long basePac;
-	private long baseComponent;
+	private ComponentId component;
 	
 	@Override
 	public boolean equals(Object obj) {
 		if (obj != null && obj instanceof PacComponentId) {
 			PacComponentId other = (PacComponentId) obj;
-			return getPac() == other.getPac() && getBaseComponent() == other.getBaseComponent() && getBasePac() == other.getBasePac();
+			return getPac() == other.getPac() && getComponent().equals(other.getComponent());
 		}
 		return false;
 	}
 	
 	@Override
 	public int hashCode() {
-		return (new Long(getPac() ^ getBaseComponent() ^ getBasePac() % Integer.MAX_VALUE)).intValue();
+		return (new Long(getPac() ^ component.hashCode() % Integer.MAX_VALUE)).intValue();
 	}
 
 	public void setPac(long pacId) {
@@ -34,20 +32,12 @@ public class PacComponentId implements Serializable {
 		return pac;
 	}
 
-	public void setBaseComponent(long baseComponentId) {
-		this.baseComponent = baseComponentId;
+	public ComponentId getComponent() {
+		return component;
 	}
 
-	public long getBaseComponent() {
-		return baseComponent;
-	}
-
-	public void setBasePac(long basePacId) {
-		this.basePac = basePacId;
-	}
-
-	public long getBasePac() {
-		return basePac;
+	public void setComponent(ComponentId component) {
+		this.component = component;
 	}
 
 }

hsarback/src/de/hsadmin/mods/pac/PacModuleImpl.java

@@ -79,8 +79,7 @@ public class PacModuleImpl extends AbstractModuleImpl {
 			Component comp = (Component) cObj;
 			PacComponent pacComponent = new PacComponent();
 			BaseComponent baseComponent = comp.getBaseComponent();
-			pacComponent.setBaseComponent(baseComponent);
-			pacComponent.setbasePac(comp.getBasePac());
+			pacComponent.setComponent(comp);
 			pacComponent.setCreated(now);
 			pacComponent.setPac(pac);
 			String feature = baseComponent.getFeature();