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  * Copyright 2012 International Business Machines Corp.
  * See the NOTICE file distributed with this work for additional information
  * regarding copyright ownership. 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
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An abstract class which contains the common behavior for a batch artifact proxy. This class performs runtime introspection of an artifact instances annotations and handles property injection.
public abstract class AbstractProxy<T> {
    private final static String sourceClass = AbstractProxy.class.getName();
    private final static Logger logger = Logger.getLogger();
    protected T delegate;
    protected StepContextImpl<?, ? extends SerializablestepContext;


delegate An instance of a batch artifact which will back this proxy
props The properties directly associated with this batch artifact. These properties will be injected into fields annotated with the @BatchProperty annotation in the delegate object.
    AbstractProxy(T delegate) {
        this. = delegate;
    public T getDelegate() {
        return this.;
    public void setStepContext(StepContextImpl<?, ? extends SerializablestepContext){
    	this. = stepContext;
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