/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.jackrabbit.oak.spi.security.authorization.restriction;

import com.google.common.base.Objects;
import org.apache.jackrabbit.oak.api.PropertyState;
import org.apache.jackrabbit.oak.plugins.memory.PropertyValues;
import org.jetbrains.annotations.NotNull;

/**
 * {@code RestrictionImpl}
 */
public class RestrictionImpl implements Restriction {

    private final RestrictionDefinition definition;
    private final PropertyState property;

    private int hashCode = 0;

    public RestrictionImpl(@NotNull PropertyState property, @NotNull RestrictionDefinition def) {
        this.definition = def;
        this.property = property;
    }

    public RestrictionImpl(@NotNull PropertyState property, boolean isMandatory) {
        this.definition = new RestrictionDefinitionImpl(property.getName(), property.getType(), isMandatory);
        this.property = property;
    }

    //--------------------------------------------------------< Restriction >---
    @NotNull
    @Override
    public RestrictionDefinition getDefinition() {
        return definition;
    }

    @NotNull
    @Override
    public PropertyState getProperty() {
        return property;
    }

    //-------------------------------------------------------------< Object >---
    @Override
    public int hashCode() {
        if (hashCode == 0) {
            hashCode = Objects.hashCode(definition, property, PropertyValues.create(property));
        }
        return hashCode;
    }

    @Override
    public boolean equals(Object o) {
        if (o == this) {
            return true;
        }
        if (o instanceof RestrictionImpl) {
            RestrictionImpl other = (RestrictionImpl) o;
            return definition.equals(other.definition) && property.equals(other.property);
        }
        return false;
    }
}
