Android Open Source - ion Soft Reference Hashtable

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License

The source code is released under:

Apache License

Java Source Code

package com.koushikdutta.ion.bitmap;
//from w ww .j  a  v  a  2 s. c o  m
import java.lang.ref.SoftReference;
import java.util.Hashtable;

public class SoftReferenceHashtable<K,V> {
    Hashtable<K, SoftReference<V>> mTable = new Hashtable<K, SoftReference<V>>();

    public V put(K key, V value) {
        SoftReference<V> old = mTable.put(key, new SoftReference<V>(value));
        if (old == null)
            return null;
        return old.get();
    }

    public V get(K key) {
        SoftReference<V> val = mTable.get(key);
        if (val == null)
            return null;
        V ret = val.get();
        if (ret == null)
            mTable.remove(key);
        return ret;
    }

    public V remove(K k) {
        SoftReference<V> v = mTable.remove(k);
        if (v == null)
            return null;
        return v.get();
    }

    public void clear() {
        mTable.clear();
    }
}

Java Source Code List

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