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  * Copyright (c) 2013 GraphAware
  * This file is part of GraphAware.
  * GraphAware is free software: you can redistribute it and/or modify it under the terms of
  * the GNU General Public License as published by the Free Software Foundation, either
  * version 3 of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of
 * the GNU General Public License along with this program.  If not, see
 * <>.
package com.graphaware.tx.event.improved.propertycontainer.filtered;
A org.neo4j.graphdb.PropertyContainer decorator that transparently filters out properties and (where relevant) other containers according to the provided com.graphaware.common.policy.InclusionPolicies. Mutating operations are passed through to the decorated org.neo4j.graphdb.PropertyContainer without modifications.
public abstract class FilteredPropertyContainer<T extends PropertyContainerextends BasePropertyContainerWrapper<T> {
    protected final T wrapped;
    protected final InclusionPolicies policies;

Create a new filtering decorator.

wrapped decorated property container.
policies for filtering.
    protected FilteredPropertyContainer(T wrappedInclusionPolicies policies) {
        this. = wrapped;
        this. = policies;

    public T getWrapped() {
        return ;

Get appropriate property inclusion policy.

    protected abstract PropertyInclusionPolicy<T> getPropertyInclusionPolicy();

    public boolean hasProperty(String key) {
        if (!getPropertyInclusionPolicy().include(keyself())) {
            return false;
        return super.hasProperty(key);

    public Iterable<StringgetPropertyKeys() {
        return new FilteredPropertyKeyIterator<>(super.getPropertyKeys(), self(), getPropertyInclusionPolicy());
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