tcbot-persistence/src/main/java/org/apache/ignite/tcbot/persistence/IStringCompactor.java

/*
 * 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.ignite.tcbot.persistence;

/**
 *
 */
public interface IStringCompactor {
    int STRING_NULL = -1;

    /**
     * @param val Value to be identified as integer.
     */
    public int getStringId(String val);

    /**
     * @param id Id of string from {@link #getStringId(String)}. Negative value implies <code>null</code>.
     */
    public String getStringFromId(int id);

    /**
     * @param val Value to check in the compactor.
     */
    public Integer getStringIdIfPresent(String val);
}