LexiconImpl.java

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package com.arcle.rmt.superwaba.model.imp.rqml;

import superwaba.ext.xplat.io.Storable;
import superwaba.ext.xplat.io.DataStream;

import com.arcle.rmt.superwaba.model.imp.*;
import com.arcle.rmt.rqml.*;

public class LexiconImpl extends RQMLFirstClassImpl implements Lexicon {
    public GenericMemento createMemento() {
        return new Memento(this);
    }


    public Definition getDefinition() {
        if (definition == null) {
            definition = createDefinitionImpl();
        }
        return definition;
    }


    public void setDefinition(Definition def) {
        definition = (DefinitionImpl) def;
    }

    protected DefinitionImpl  createDefinitionImpl() {
        return new DefinitionImpl();
    }


    private DefinitionImpl definition = null;

    //-----------------------------------------------------------------------
    // Inner Classes

    protected static class Memento extends RQMLFirstClassImpl.Memento {
        public Memento(LexiconImpl originator) {
            super(originator);
        }

        public Storable getInstance() {
            // This memento is not directly stored in the Catalog as an
            // object, so this factory method is not required.
            return null;
        }

        public byte getID() {
            return DocumentImpl.LEXICON_ID;
        }


        public void saveState(DataStream data) {
            final LexiconImpl org = (LexiconImpl) getOriginator();
            super.saveState(data);
            saveMementoable(org.definition, data);
        }

        public void loadState(DataStream data) {
            final LexiconImpl org = (LexiconImpl) getOriginator();
            super.loadState(data);
            org.definition = (DefinitionImpl) loadMementoable(data, new MementoableFactory() {
                public Mementoable createOriginator()  {
                    return org.createDefinitionImpl();
                }
            });
        }
    }
}

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