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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2018 MAGIC SOFTWARE BAY SRL
 * Copyright (c) 2016 Paul Rutledge 
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.magicsoftbay.qbuildersandroid.delegates.virtual;

import com.magicsoftbay.qbuildersandroid.builders.QBuilder;
import com.magicsoftbay.qbuildersandroid.conditions.Condition;
import com.magicsoftbay.qbuildersandroid.operators.ComparisonOperator;
import com.magicsoftbay.qbuildersandroid.properties.virtual.EquitableProperty;
import com.magicsoftbay.qbuildersandroid.structures.FieldPath;

import java.util.Collections;

/**
 * @author Paul Rutledge 
 * @author Clivens Petit 
 */
public abstract class EquitablePropertyDelegate, S>
        extends ExistentialPropertyDelegate implements EquitableProperty {

    protected EquitablePropertyDelegate(FieldPath field, T canonical) {
        super(field, canonical);
    }

    public final Condition eq(S value) {
        if (value == null) {
            return condition(getField(), ComparisonOperator.EX, Collections.singleton(false));
        }
        return condition(getField(), ComparisonOperator.EQ, Collections.singletonList(value));
    }

    public final Condition ne(S value) {
        if (value == null) {
            return condition(getField(), ComparisonOperator.EX, Collections.singleton(true));
        }
        return condition(getField(), ComparisonOperator.NE, Collections.singletonList(value));
    }
}