io.github.jeddict.jpa.spec.extend.cache.Cache.java Source code

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Here is the source code for io.github.jeddict.jpa.spec.extend.cache.Cache.java

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/**
 * Copyright 2013-2018 the original author or authors from the Jeddict project (https://jeddict.github.io/).
 *
 * 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 io.github.jeddict.jpa.spec.extend.cache;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Queue;
import java.util.Set;
import java.util.TreeSet;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import org.apache.commons.lang.StringUtils;

@XmlAccessorType(XmlAccessType.FIELD)
public class Cache {

    private final static int COLLECTION_SIZE = 5;

    @XmlElement(name = "ct")
    private Queue<String> collectionClass;

    @XmlElement(name = "cit")
    private Queue<String> collectionImplClass;

    @XmlElement(name = "db")
    private DatabaseConnectionCache databaseConnection;

    /**
     * @return the collectionType
     */
    public Queue<String> getCollectionClasses() {
        if (collectionClass == null) {
            collectionClass = new LinkedList<>();
            collectionClass.add(List.class.getName());
            collectionClass.add(Set.class.getName());
            collectionClass.add(Map.class.getName());
            collectionClass.add(Collection.class.getName());
        }
        return collectionClass;
    }

    public void addCollectionClass(String _class) {
        addClass(_class, (LinkedList) getCollectionClasses());
    }

    /**
     * @return the collectionImplementationClass
     */
    public Queue<String> getCollectionImplClasses() {
        if (collectionImplClass == null) {
            collectionImplClass = new LinkedList<>();
            collectionImplClass.add(ArrayList.class.getName());
            collectionImplClass.add(LinkedList.class.getName());
            collectionImplClass.add(HashSet.class.getName());
            collectionImplClass.add(TreeSet.class.getName());
            collectionImplClass.add(HashMap.class.getName());
        }
        return collectionImplClass;
    }

    public void addCollectionImplClass(String _class) {
        addClass(_class, (LinkedList) getCollectionImplClasses());
    }

    public void addClass(String _class, LinkedList<String> collection) {
        if (StringUtils.isEmpty(_class)) {
            return;
        }
        if (collection.contains(_class)) {
            collection.remove(_class);
        }
        while (COLLECTION_SIZE < collection.size()) {
            collection.removeLast();
        }
        collection.addFirst(_class);
    }

    /**
     * @return the databaseConnection
     */
    public DatabaseConnectionCache getDatabaseConnectionCache() {
        return databaseConnection;
    }

    /**
     * @param databaseConnection the databaseConnection to set
     */
    public void setDatabaseConnection(DatabaseConnectionCache databaseConnection) {
        this.databaseConnection = databaseConnection;
    }

}