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QDox is a high speed, small footprint parser for extracting class/interface/method definitions from source files complete with JavaDoc @tags. It is designed to be used by active code generators or documentation tools.

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package com.thoughtworks.qdox.model.expression;

/*
 * 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.
 */

public class Query
    implements AnnotationValue
{

    private final AnnotationValue condition;

    private final AnnotationValue trueExpression;

    private final AnnotationValue falseExpression;

    public Query( AnnotationValue condition, AnnotationValue trueExpression, AnnotationValue falseExpression )
    {
        this.condition = condition;
        this.trueExpression = trueExpression;
        this.falseExpression = falseExpression;
    }

    /** {@inheritDoc} */
    public Object accept( ExpressionVisitor visitor )
    {
        return visitor.visit( this );
    }

    public AnnotationValue getCondition()
    {
        return this.condition;
    }

    public AnnotationValue getTrueExpression()
    {
        return this.trueExpression;
    }

    public AnnotationValue getFalseExpression()
    {
        return this.falseExpression;
    }

    /** {@inheritDoc} */
    public String getParameterValue()
    {
        return condition.getParameterValue().toString() + " ? " + trueExpression.getParameterValue() + " : "
            + falseExpression.getParameterValue();
    }

    @Override
    public String toString()
    {
        return condition.toString() + " ? " + trueExpression.toString() + " : " + falseExpression.toString();
    }
}