/*
 * Copyright 2014 - 2017 Blazebit.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.blazebit.persistence.view.impl.filter;

import com.blazebit.persistence.RestrictionBuilder;
import com.blazebit.persistence.SubqueryInitiator;
import com.blazebit.persistence.view.filter.EqualFilter;

/**
 *
 * @author Christian Beikov
 * @since 1.0
 */
public class EqualFilterImpl extends EqualFilter implements ComparisonFilter {

    private final ComparisonFilterHelper helper;
    
    public EqualFilterImpl(Class<?> expectedType, Object value) {
        this.helper = new ComparisonFilterHelper(this, expectedType, value);
    }

    @Override
    protected <T> T apply(RestrictionBuilder<T> restrictionBuilder) {
        return helper.apply(restrictionBuilder);
    }

    @Override
    public <T> T applyRestriction(RestrictionBuilder<T> rb, Object value) {
        return rb.eq(value);
    }

    @Override
    public <T> SubqueryInitiator<T> applySubquery(RestrictionBuilder<T> rb) {
        return rb.eq();
    }

}