AGCloseTripleStore.java

package com.franz.agbase.examples;

import com.franz.agbase.*;

public class AGCloseTripleStore {

    /**
     * Demonstrates basics of closing a triple store
     * 
     * @param args unused
     * @throws AllegroGraphException
     */
    public static void main(String[] args) throws AllegroGraphException {
        
        // Connect to the server, which must already be running.
        AllegroGraphConnection ags = new AllegroGraphConnection();
        try {
            ags.enable();
        } catch (Exception e) {
            throw new AllegroGraphException("Server connection problem.", e);
        }

        // Create a fresh triple store.
        AllegroGraph ts = ags.renew("newstore", AGPaths.TRIPLE_STORES);
        System.out.println("New triple store opened with " + ts.numberOfTriples() + " triples.");

        // Close the triple store
        System.out.println("Closing the triple store.");
        ts.closeTripleStore();

        // It's an error to access a closed triple store
        System.out.println("Attempting to get the closed store's triple count.");
        try {
            ts.numberOfTriples();
        } catch (IllegalStateException e) {
            System.out.println("Expected Error: " + e.getMessage());
        }
        
        // Disconnect from the server
        System.out.println("Disconnecting from the server.");
        ags.disable();
        System.out.println("Done.");
        
    }
    
}

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