java - How can I reduce duplicate code in Hibernate classes? -

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at point have several hibernate object classes in our project, following:

package org.carl.recordkeeper.entity;  import java.io.serializable; import javax.persistence.column; import javax.persistence.id;  public class bstrecordpk implements serializable { // ------------------------------ fields ------------------------------  private string bst;  private integer instbit;  // --------------------- getter / setter methods ---------------------  @id @column( name = "bst", nullable = false, length = 1 ) public string getbst() {     return bst; }  public void setbst( string bst ) {     this.bst = bst; }  @id @column( name = "instbit", nullable = false ) public integer getinstbit() {     return instbit; }  public void setinstbit( integer instbit ) {     this.instbit = instbit; }  // ------------------------ canonical methods ------------------------  @override public boolean equals( object o ) {     if ( == o )     {         return true;     }     if ( o == null || getclass() != o.getclass() )     {         return false;     }      bstrecordpk = (bstrecordpk)o;      if ( bst != null ? !bst.equals( that.bst ) : that.bst != null )     {         return false;     }     if ( instbit != null ? !instbit.equals( that.instbit ) : that.instbit != null )     {         return false;     }      return true; }  @override public int hashcode() {     int result = instbit != null ? instbit.hashcode() : 0;     result = 31 * result + ( bst != null ? bst.hashcode() : 0 );     return result; } }

we have duplicate code checker, keeps going off when create new hibernate class because 1 of get/set pairs matches what's in class (database tables foreign keys). there way reduce duplicate code , still keep hibernate happy? i've thought using base class, it's not there single column used in database tables.

code duplication warning meant show copied sections of code produced copy & paste. copying code reduce maintainability , may result in security issues.

if sonarqube shows me duplication warnings, have closer on section of fode , decide, if false positive in sense many pojos share code getid() { return id; } if retrn type differs or programmer re-implemented or copied section.

i recommend not reduce entities. lead objuscation.

however, can try use @mappedsuperclass if bother code dublication detection limitations.


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