RecordScannerMapBuilder.java

/*
 * Copyright 2012 NGDATA nv
 *
 * 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 org.lilyproject.rest;

import java.util.concurrent.TimeUnit;

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import org.lilyproject.repository.api.RecordScanner;

// Convenience class for creating recordscanner caches. For use in the spring application context
public class RecordScannerMapBuilder {

    private RecordScannerMapBuilder() {
    }

    public static Cache<String,RecordScanner> createRecordScannerMap (int delay) {
        return createRecordScannerMap(delay, TimeUnit.SECONDS);
    }

    public static Cache<String,RecordScanner> createRecordScannerMap (int delay, TimeUnit unit) {
        return CacheBuilder.newBuilder()
                .expireAfterAccess(delay,  unit)
                .build();
    }
}