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Java example source code file (Connection.java)

This example Java source code file (Connection.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

arraylist, awt, color, connection, connectionstyle, dashed, figure, inputslot, link, list, normal, outputslot, override, port, source, util

The Connection.java Java example source code

/*
 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */
package com.sun.hotspot.igv.graph;

import com.sun.hotspot.igv.layout.Link;
import com.sun.hotspot.igv.layout.Port;
import java.awt.Color;
import java.awt.Point;
import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Thomas Wuerthinger
 */
public class Connection implements Source.Provider, Link {

    public enum ConnectionStyle {

        NORMAL,
        DASHED,
        BOLD
    }
    private InputSlot inputSlot;
    private OutputSlot outputSlot;
    private Source source;
    private Color color;
    private ConnectionStyle style;
    private List<Point> controlPoints;

    protected Connection(InputSlot inputSlot, OutputSlot outputSlot) {
        this.inputSlot = inputSlot;
        this.outputSlot = outputSlot;
        this.inputSlot.connections.add(this);
        this.outputSlot.connections.add(this);
        controlPoints = new ArrayList<Point>();
        Figure sourceFigure = this.outputSlot.getFigure();
        Figure destFigure = this.inputSlot.getFigure();
        sourceFigure.addSuccessor(destFigure);
        destFigure.addPredecessor(sourceFigure);
        source = new Source();

        this.color = Color.BLACK;
        this.style = ConnectionStyle.NORMAL;
    }

    public InputSlot getInputSlot() {
        return inputSlot;
    }

    public OutputSlot getOutputSlot() {
        return outputSlot;
    }

    public Color getColor() {
        return color;
    }

    public ConnectionStyle getStyle() {
        return style;
    }

    public void setColor(Color c) {
        color = c;
    }

    public void setStyle(ConnectionStyle s) {
        style = s;
    }

    public Source getSource() {
        return source;
    }

    public void remove() {
        inputSlot.getFigure().removePredecessor(outputSlot.getFigure());
        inputSlot.connections.remove(this);
        outputSlot.getFigure().removeSuccessor(inputSlot.getFigure());
        outputSlot.connections.remove(this);
    }

    @Override
    public String toString() {
        return "Connection(" + getFrom().getVertex() + " to " + getTo().getVertex() + ")";
    }

    public Port getFrom() {
        return outputSlot;
    }

    public Port getTo() {
        return inputSlot;
    }

    public List<Point> getControlPoints() {
        return controlPoints;
    }

    public void setControlPoints(List<Point> list) {
        controlPoints = list;
    }
}

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