/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  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.  For additional information regarding
 * copyright in this work, please see the NOTICE file in the top level
 * directory of this distribution.
 */

package org.apache.usergrid.persistence.index.query.tree;


import java.util.UUID;


/**
 * Simple factory for generating literal instance based on the runtime value
 *
 * @author tnine
 */
public class LiteralFactory {

    /** Generate the correct literal subclass based on the runtime instance. */
    public static final Literal<?> getLiteral( Object value ) {
        if ( value instanceof Integer ) {
            return new LongLiteral( ( Integer ) value );
        }
        if ( value instanceof Long ) {
            return new LongLiteral( ( Long ) value );
        }

        if ( value instanceof String ) {
            return new StringLiteral( ( String ) value );
        }

        if ( value instanceof Float ) {
            return new FloatLiteral( ( Float ) value );
        }

        if ( value instanceof UUID ) {
            return new UUIDLiteral( ( UUID ) value );
        }

        if ( value instanceof Boolean ) {
            return new BooleanLiteral( ( Boolean ) value );
        }

        throw new UnsupportedOperationException(
                String.format( "Unsupported type of %s was passed when trying to construct a literal",
                        value.getClass() ) );
    }
}