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package hudson.plugins.helpers;

import hudson.model.AbstractBuild;
import hudson.model.HealthReportingAction;

import java.io.Serializable;

/**
 * An action that is associated with a build.
 *
 * @author Stephen Connolly
 * @param  the build class that the action is associated with.
 * @since 04-Feb-2008 19:41:25
 */
public abstract class AbstractBuildAction> 
	implements HealthReportingAction, Serializable 
{
    /** Unique identifier for this class. */
    private static final long serialVersionUID = 31415926L;

    /**
     * The owner of this Action.  Ideally I'd like this to be final and set in the constructor, but Maven does not
     * let us do that, so we need a setter.
     */
    private BUILD build = null;

    /**
     * Constructs a new AbstractBuildAction.
     */
    protected AbstractBuildAction() {
    }

    /**
     * Getter for property 'build'.
     *
     * @return Value for property 'build'.
     */
    public synchronized BUILD getBuild() {
        return build;
    }

    /**
     * Write once setter for property 'build'.
     *
     * @param build Value to set for property 'build'.
     */
    public synchronized void setBuild(BUILD build) {
        // Ideally I'd prefer to use and AtomicReference... but I'm unsure how it would work with the serialization fun
        if (this.build == null && this.build != build) {
            this.build = build;
        }
    }

    /**
     * Override to control when the floating box should be displayed.
     *
     * @return true if the floating box should be visible.
     */
    public boolean isFloatingBoxActive() {
        return true;
    }

    /**
     * Override to control when the action displays a trend graph.
     *
     * @return true if the action should show a trend graph.
     */
    public boolean isGraphActive() {
        return false;
    }

    /**
     * Override to define the graph name.
     *
     * @return The graph name.
     */
    public String getGraphName() {
        return getDisplayName();
    }

    /**
     * Override to control the build summary detail.
     *
     * @return the summary string for the main build page.
     */
    public String getSummary() {
        return "";
    }
}