package org.opengroupware.jope.eocontrol;

import java.util.List;

/*
 * EOAndQualifier
 * 
 * Syntax:
 *   qualifier AND qualifier AND qualifier
 *   firstname = 'Donald' AND lastname = 'Duck'
 * 
 * TODO: document
 */
public class EOAndQualifier extends EOCompoundQualifier
  implements EOQualifierEvaluation
{
  public EOAndQualifier(List<EOQualifier> _qs) {
    super(_qs);
  }  
  public EOAndQualifier(EOQualifier... _qs) {
    super(_qs);
  }
  
  /* subclass hooks */
  
  protected EOQualifier buildSimiliarQualifier(EOQualifier[] _qs) {
    return new EOAndQualifier(_qs);
  }
  
  /* evaluation */
  
  public boolean evaluateWithObject(Object _object) {
    for (int i = 0; i < this.qualifiers.length; i++) {
      EOQualifierEvaluation eval = (EOQualifierEvaluation)this.qualifiers[i];
      if (!eval.evaluateWithObject(_object))
        return false;
    }
    return true;
  }

  /* string representation */
  
  public String operatorAsString() {
    return "AND";
  }
}