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/*
 Copyright 2013 Red Hat, Inc. and/or its affiliates.

 This file is part of lightblue.

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see .
 */
package com.redhat.lightblue.metadata.constraints;

import com.redhat.lightblue.metadata.FieldConstraint;
import com.redhat.lightblue.metadata.Type;
import com.redhat.lightblue.metadata.types.ContainerType;

import java.io.Serializable;

/**
 * Field is part of an array element id. All such fields of an array element is
 * used to uniquely identify an array element
 */
public class ArrayElementIdConstraint implements FieldConstraint, Serializable {

    private static final long serialVersionUID = 1l;

    public static final String IDENTITY = "element-identity";

    public String getType() {
        return IDENTITY;
    }

    public boolean isValidForFieldType(Type fieldType) {
        return !(fieldType instanceof ContainerType);
    }
}