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/*
 * Copyright 2013 eBuddy B.V.
 *
 *    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.ebuddy.cassandra.property;

import java.nio.ByteBuffer;

import me.prettyprint.cassandra.serializers.StringSerializer;

/**
 * An implementation of PropertyValue that stores a String.
 * 
 * @author Eric Zoerner [email protected]
 */
// needs to be public so jackson can access getValue() by reflection
@Deprecated
public final class StringValue implements PropertyValue {
    private final String value;

    private StringValue(String value) {
        if (value == null) {
            throw new IllegalArgumentException("value should not be null");
        }
        this.value = value;
    }

    @Override
    public ByteBuffer toBytes() {
        return StringSerializer.get().toByteBuffer(value);
    }

    @Override
    public String toString() {
        return value;
    }

    @Override
    public String getValue() {
        return value;
    }

    @Override
    public boolean isStructured() {
        return false;
    }

    @Override
    public boolean isList() {
        return false;
    }

    @Override
    public boolean isNestedProperties() {
        return false;
    }

    @Override
    public boolean equals(Object obj) {
        //noinspection OverlyStrongTypeCast
        return obj instanceof StringValue && getValue().equals(((StringValue)obj).getValue());
    }

    @Override
    public int hashCode() {
        return getValue().hashCode();
    }

    static StringValue fromString(String value) {
        return new StringValue(value);
    }

    @Override
    public boolean isEmpty() {
        return value.isEmpty();
    }
}