@Override
    public final boolean equals(Object o) {
        if (!(o instanceof PathOperand))
            return false;
        PathOperand that = (PathOperand)o;
        return this.getPath().equals(that.getPath());
    }
Returns true if the given object is a path operand with the same path as
that of the current path operand; false otherwise.
aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/xspec/PathOperand.java