Import Benki data model.

Change-Id: If17035f96afa56eb409fcab9d8038d885adf607b
diff --git a/src/main/java/eu/mulk/mulkcms2/benki/PageKey.java b/src/main/java/eu/mulk/mulkcms2/benki/PageKey.java
new file mode 100644
index 0000000..1423e00
--- /dev/null
+++ b/src/main/java/eu/mulk/mulkcms2/benki/PageKey.java
@@ -0,0 +1,78 @@
+package eu.mulk.mulkcms2.benki;
+
+import java.math.BigInteger;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.IdClass;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+
+@Entity
+@Table(name = "page_keys", schema = "public", catalog = "benki")
+@IdClass(PageKeyPK.class)
+public class PageKey {
+
+  private String page;
+  private BigInteger key;
+  private User user;
+
+  @Id
+  @Column(name = "page", nullable = false, length = -1)
+  public String getPage() {
+    return page;
+  }
+
+  public void setPage(String page) {
+    this.page = page;
+  }
+
+  @Id
+  @Column(name = "key", nullable = false, precision = 0)
+  public BigInteger getKey() {
+    return key;
+  }
+
+  public void setKey(BigInteger key) {
+    this.key = key;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+
+    PageKey pageKey = (PageKey) o;
+
+    if (page != null ? !page.equals(pageKey.page) : pageKey.page != null) {
+      return false;
+    }
+    if (key != null ? !key.equals(pageKey.key) : pageKey.key != null) {
+      return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = page != null ? page.hashCode() : 0;
+    result = 31 * result + (key != null ? key.hashCode() : 0);
+    return result;
+  }
+
+  @ManyToOne
+  @JoinColumn(name = "user", referencedColumnName = "id", nullable = false)
+  public User getUser() {
+    return user;
+  }
+
+  public void setUser(User user) {
+    this.user = user;
+  }
+}