org.javimmutable.collections.serialization.JImmutableTemplateSetMapProxy Maven / Gradle / Ivy

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package org.javimmutable.collections.serialization;

import org.javimmutable.collections.JImmutableMap;
import org.javimmutable.collections.JImmutableSet;
import org.javimmutable.collections.JImmutableSetMap;
import org.javimmutable.collections.hash.JImmutableHashMap;
import org.javimmutable.collections.hash.JImmutableHashSet;
import org.javimmutable.collections.setmap.JImmutableTemplateSetMap;

import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

/**
 * Serialization proxy class to safely serialize immutable collection.
 */
@SuppressWarnings("unchecked")
public class JImmutableTemplateSetMapProxy
    extends AbstractJImmutableSetMapProxy
{
    private static final long serialVersionUID = -121805;

    public JImmutableTemplateSetMapProxy()
    {
        super(JImmutableTemplateSetMap.of(JImmutableHashMap.of(), JImmutableHashSet.of()));
    }

    public JImmutableTemplateSetMapProxy(JImmutableTemplateSetMap map)
    {
        super(map);
    }

    @Override
    protected JImmutableSetMap readMap(ObjectInput in)
        throws IOException, ClassNotFoundException
    {
        JImmutableMap emptyMap = (JImmutableMap)in.readObject();
        JImmutableSet emptySet = (JImmutableSet)in.readObject();
        return JImmutableTemplateSetMap.of(emptyMap, emptySet);
    }

    @Override
    protected void writeMap(ObjectOutput out)
        throws IOException
    {
        JImmutableTemplateSetMap setMap = (JImmutableTemplateSetMap)map;
        out.writeObject(setMap.getEmptyMap());
        out.writeObject(setMap.getEmptySet());
    }
}