models.functions.ExistsFunction.java Source code

Introduction

Here is the source code for models.functions.ExistsFunction.java

Source

// ExistsFunction.java --- Function class that maps a JsonNode to true if it contains data (false otherwise).

// Copyright (C) 2013-2015  Tim Krones

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.

// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package models.functions;

import com.fasterxml.jackson.databind.JsonNode;
import play.libs.F.Function;

public class ExistsFunction implements Function<JsonNode, Boolean> {
    public Boolean apply(JsonNode json) {
        return json.get("data").size() > 0;
    }
}