com.google.common.collect.OtterMigrateMap.java Source code

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Here is the source code for com.google.common.collect.OtterMigrateMap.java

Source

package com.google.common.collect;

import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.TimeUnit;

import com.google.common.base.Function;
import com.google.common.collect.MapMaker.RemovalListener;
import com.google.common.collect.MapMaker.RemovalNotification;

public class OtterMigrateMap {

    @SuppressWarnings("deprecation")
    public static <K, V> ConcurrentMap<K, V> makeComputingMap(MapMaker maker,
            Function<? super K, ? extends V> computingFunction) {
        return maker.makeComputingMap(computingFunction);
    }

    @SuppressWarnings("deprecation")
    public static <K, V> ConcurrentMap<K, V> makeComputingMap(Function<? super K, ? extends V> computingFunction) {
        return new MapMaker().makeComputingMap(computingFunction);
    }

    @SuppressWarnings("deprecation")
    public static <K, V> ConcurrentMap<K, V> makeSoftValueComputingMap(MapMaker maker,
            Function<? super K, ? extends V> computingFunction) {
        return maker.softValues().makeComputingMap(computingFunction);
    }

    @SuppressWarnings("deprecation")
    public static <K, V> ConcurrentMap<K, V> makeSoftValueComputingMap(
            Function<? super K, ? extends V> computingFunction) {
        return new MapMaker().softValues().makeComputingMap(computingFunction);
    }

    @SuppressWarnings("deprecation")
    public static <K, V> ConcurrentMap<K, V> makeSoftValueComputingMapWithTimeout(MapMaker maker,
            Function<? super K, ? extends V> computingFunction, long timeout, TimeUnit timeUnit) {
        return maker.expireAfterWrite(timeout, timeUnit).softValues().makeComputingMap(computingFunction);
    }

    @SuppressWarnings("deprecation")
    public static <K, V> ConcurrentMap<K, V> makeSoftValueComputingMapWithTimeout(
            Function<? super K, ? extends V> computingFunction, long timeout, TimeUnit timeUnit) {
        return new MapMaker().expireAfterWrite(timeout, timeUnit).softValues().makeComputingMap(computingFunction);
    }

    @SuppressWarnings("deprecation")
    public static <K, V> ConcurrentMap<K, V> makeSoftValueMapWithTimeout(MapMaker maker, long timeout,
            TimeUnit timeUnit) {
        return maker.expireAfterWrite(timeout, timeUnit).softValues().makeMap();
    }

    @SuppressWarnings("deprecation")
    public static <K, V> ConcurrentMap<K, V> makeSoftValueMapWithTimeout(long timeout, TimeUnit timeUnit) {
        return new MapMaker().expireAfterWrite(timeout, timeUnit).softValues().makeMap();
    }

    @SuppressWarnings("deprecation")
    public static <K, V> ConcurrentMap<K, V> makeSoftValueComputingMapWithRemoveListenr(MapMaker maker,
            Function<? super K, ? extends V> computingFunction, final OtterRemovalListener listener) {
        return maker.softValues().removalListener(new RemovalListener<K, V>() {

            @Override
            public void onRemoval(RemovalNotification<K, V> notification) {
                if (notification == null) {
                    return;
                }

                listener.onRemoval(notification.getKey(), notification.getValue());
            }
        }).makeComputingMap(computingFunction);
    }

    @SuppressWarnings("deprecation")
    public static <K, V> ConcurrentMap<K, V> makeSoftValueComputingMapWithRemoveListenr(
            Function<? super K, ? extends V> computingFunction, final OtterRemovalListener<K, V> listener) {
        return new MapMaker().softValues().removalListener(new RemovalListener<K, V>() {

            @Override
            public void onRemoval(RemovalNotification<K, V> notification) {
                if (notification == null) {
                    return;
                }

                listener.onRemoval(notification.getKey(), notification.getValue());
            }
        }).makeComputingMap(computingFunction);
    }

    public static interface OtterRemovalListener<K, V> {

        void onRemoval(K key, V value);
    }
}