@Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;

        if (obj instanceof Topic == false)
            return false;
        Topic other = (Topic) obj;
        if (other.getResource() == null ^ this.getResource() == null)
            return false;
        if (other.getResource() != null && other.getResource().equals(this.getResource()) == false)
            return false;
        if (other.getRole() == null ^ this.getRole() == null)
            return false;
        if (other.getRole() != null && other.getRole().equals(this.getRole()) == false)
            return false;
        if (other.getSubject() == null ^ this.getSubject() == null)
            return false;
        if (other.getSubject() != null && other.getSubject().equals(this.getSubject()) == false)
            return false;
        return true;
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-datazoneexternal/src/main/java/com/amazonaws/services/datazone/model/Topic.java