com.asual.summer.core.resource.CompositeResource.java Source code

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Here is the source code for com.asual.summer.core.resource.CompositeResource.java

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/*
 * 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.asual.summer.core.resource;

import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;

import org.springframework.core.OrderComparator;

import com.asual.summer.core.util.BeanUtils;

/**
 * 
 * @author Rostislav Hristov
 *
 */
public class CompositeResource extends AbstractResource {

    private CompositeResource parent;
    private Map<Object, Object> properties;
    private List<CompositeResource> children;

    public CompositeResource getParent() {
        return parent;
    }

    public void setParent(CompositeResource parent) {
        this.parent = parent;
    }

    public void setProperties(Map<Object, Object> properties) {
        this.properties = properties;
    }

    public Map<Object, Object> getProperties() {
        return properties;
    }

    public List<CompositeResource> getChildren() {
        if (children == null) {
            LinkedHashSet<CompositeResource> set = new LinkedHashSet<CompositeResource>();
            Map<String, CompositeResource> beans = BeanUtils.getBeansOfType(CompositeResource.class);
            for (CompositeResource resource : beans.values()) {
                if (this.equals(resource.getParent())) {
                    set.add(resource);
                }
            }
            children = new ArrayList<CompositeResource>(set);
            OrderComparator.sort(children);
        }
        return children;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = super.hashCode();
        result = prime * result + ((parent == null) ? 0 : parent.hashCode());
        result = prime * result + ((properties == null) ? 0 : properties.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (!super.equals(obj))
            return false;
        if (getClass() != obj.getClass())
            return false;
        CompositeResource other = (CompositeResource) obj;
        if (parent == null) {
            if (other.parent != null)
                return false;
        } else if (!parent.equals(other.parent))
            return false;
        if (properties == null) {
            if (other.properties != null)
                return false;
        } else if (!properties.equals(other.properties))
            return false;
        return true;
    }

}