ParentChildRelationship.java

package com.plugtree.solradvert.fact;

import org.apache.lucene.search.Query;

public abstract class ParentChildRelationship {
  
  protected Query parent;
  
  protected Query child;
  
  public ParentChildRelationship(Query parent, Query child) {
    this.parent = parent;
    this.child = child;
  }

  public Query getParent() {
    return parent;
  }

  public void setParent(Query parent) {
    this.parent = parent;
  }

  public Query getChild() {
    return child;
  }

  public void setChild(Query child) {
    this.child = child;
  }
  
  public abstract void remove();
  
  @Override
  public boolean equals(Object obj) {
    if(obj==null || !obj.getClass().equals(getClass())) {
      return false;
    }
    
    ParentChildRelationship rel = (ParentChildRelationship)obj;
    
    return rel.parent.equals(parent) && rel.child.equals(child);
  }
  
  @Override
  public int hashCode() {
    return parent.hashCode() ^ child.hashCode();
  }

}