com.disney.groovity.model.ModelWalker Maven / Gradle / Ivy
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package com.disney.groovity.model;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;
/**
* Model Walker meant to support both serialization and transformation methods; instance contains computational state and should not be
* considered threadsafe
*
* @author Alex Vigdor
*
*/
public abstract class ModelWalker implements ModelVisitor {
private static final Object KNOWN_IDENTITY = new Object();
private static final Collection BASE_PACKAGES;
static {
BASE_PACKAGES = ConcurrentHashMap.newKeySet();
BASE_PACKAGES.add("java.io");
BASE_PACKAGES.add("java.net");
BASE_PACKAGES.add("java.lang");
BASE_PACKAGES.add("groovy.lang");
}
private final ModelConsumer fieldHandler = ((ModelConsumer)this::handleField);
protected ArrayList fields = new ArrayList<>();
protected List readOnlyFields = (List) Collections.unmodifiableList(fields);
protected ArrayDeque positions = new ArrayDeque<>();
protected Collection readOnlyPositions = (Collection) Collections.unmodifiableCollection(positions);
protected IdentityHashMap