AbstractDirectedTree.java

package edu.brown.graphs;

import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Set;

import org.apache.log4j.Logger;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONStringer;
import org.voltdb.catalog.CatalogType;
import org.voltdb.catalog.Database;

import edu.brown.utils.CollectionUtil;
import edu.brown.utils.JSONUtil;
import edu.uci.ics.jung.graph.DelegateForest;

public abstract class AbstractDirectedTree<V extends AbstractVertex, E extends AbstractEdge> extends DelegateForest<V, E> implements IGraph<V, E> {
    protected static final Logger LOG = Logger.getLogger(AbstractDirectedTree.class.getName());
    private static final long serialVersionUID = 5267919528011628037L;

    /**
     * Inner state information about the graph
     */
    private final InnerGraphInformation<V, E> inner;

    /**
     * Constructor
     * @param catalog_db
     */
    public AbstractDirectedTree(Database catalog_db) {
        super();
        this.inner = new InnerGraphInformation<V, E>(this, catalog_db);
    }
    
    // ----------------------------------------------------------------------------
    // INNER DELEGATION METHODS
    // ----------------------------------------------------------------------------
    
    @Override
    public int getGraphId() {
        return this.inner.getGraphId();
    }
    public Set<V> getDescendants(V vertex) {
        return (this.inner.getDescendants(vertex));
    }
    public List<V> getAncestors(V vertex) {
        return (this.inner.getAncestors(vertex));
    }
    public Set<V> getRoots() {
        return (this.inner.getRoots());
    }
    public V getRoot(V V) {
        return (CollectionUtil.first(this.inner.getRoots()));
    }
    public Database getDatabase() {
        return (this.inner.getDatabase());
    }
    
    @Override
    public void setVerbose(boolean verbose) {
        this.inner.setVerbose(verbose);
    }
    @Override
    public void setEdgeVerbose(boolean verbose) {
        this.inner.setEdgeVerbose(verbose);
    }
    @Override
    public void setVertexVerbose(boolean verbose) {
        this.inner.setVertexVerbose(verbose);
    }
    @Override
    public void enableDirtyChecks() {
        this.inner.enableDirtyChecks();
    }
    @Override
    public List<E> getPath(V source, V target) {
        return (this.inner.getPath(source, target));
    }
    @Override
    public List<E> getPath(List<V> path) {
        return (this.inner.getPath(path));
    }
    @Override
    public String getName() {
        return (this.inner.getName());
    }
    @Override
    public void setName(String name) {
        this.inner.setName(name);
    }
    @Override
    public boolean addVertex(V v) {
        this.inner.addVertx(v);
        return super.addVertex(v);
    }
    @Override
    public V getVertex(String catalog_key) {
        return (this.inner.getVertex(catalog_key));
    }
    @Override
    public V getVertex(CatalogType catalog_item) {
        return (this.inner.getVertex(catalog_item));
    }
    @Override
    public V getVertex(Long element_id) {
        return (this.inner.getVertex(element_id));
    }
    @Override
    public void pruneIsolatedVertices() {
        this.inner.pruneIsolatedVertices();
    }
//    @Override
//    public E findEdge(V v1, V v2) {
//        return (this.inner.findEdge(v1, v2));
//    }
    
    @Override
    public String toString(E e, boolean verbose) {
        return (this.inner.toString(e, verbose));
    }
    
    @Override
    public String toString() {
        return (this.getClass().getSimpleName() + "@" + this.hashCode());
    }
    
    public String debug() {
        return super.toString();
    }    

    // ----------------------------------------------------------------------------
    // SERIALIZATION METHODS
    // ----------------------------------------------------------------------------
    
    @Override
    public void load(File input_path, Database catalog_db) throws IOException {
        GraphUtil.load(this, catalog_db, input_path);
    }
    
    @Override
    public void save(File output_path) throws IOException {
        GraphUtil.save(this, output_path);
    }
    
    @Override
    public String toJSONString() {
        return (JSONUtil.toJSONString(this));
    }
    
    @Override
    public void toJSON(JSONStringer stringer) throws JSONException {
        GraphUtil.serialize(this, stringer);
    }
    
    @Override
    public void fromJSON(JSONObject jsonObject, Database catalog_db) throws JSONException {
        int id = GraphUtil.deserialize(this, catalog_db, jsonObject);
        this.inner.setGraphId(id);
    }
}