Method equals

solr/core/src/java/org/apache/solr/search/JoinQuery.java:491–494

(Object other)

  }

  @Override
  public boolean equals(Object other) {
    return sameClassAs(other) && equalsTo(getClass().cast(other));
  }

  private boolean equalsTo(JoinQuery other) {
    return this.fromField.equals(other.fromField)