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package com.sun.enterprise.config.serverbeans;
import org.glassfish.api.I18n;
import org.glassfish.config.support.*;
import org.jvnet.hk2.config.Configured;
import org.jvnet.hk2.config.Dom;
import org.jvnet.hk2.config.Element;
import org.jvnet.hk2.config.Attribute;
import org.jvnet.hk2.config.ConfigBeanProxy;
import org.jvnet.hk2.config.DuckTyped;
import java.beans.PropertyVetoException;
import java.util.List;
/**
* Nodes configuration. Maintain a list of {@link Node}
* active configurations.
*/
@Configured
public interface Nodes extends ConfigBeanProxy {
/**
* Sets the value of the freeze attribute on the nodes list.
* If the nodes list is frozen then no new nodes are allowed
* to be created.
*
* @param value allowed object is
* {@link String }
* @throws PropertyVetoException if a listener vetoes the change
*/
void setFreeze(String value) throws PropertyVetoException;
/**
* Check if nodes list is frozen. That is prevent creation of new nodes.
*
* @return value of freeze
*/
@Attribute(defaultValue = "false", dataType=Boolean.class)
String getFreeze();
/**
* Return the list of nodes currently configured
*
* @return list of {@link Node }
*/
@Element
@Create(value="_create-node", decorator=Node.Decorator.class, i18n=@I18n("_create.node.command") )
@Delete(value="_delete-node", resolver= TypeAndNameResolver.class,
decorator=Node.DeleteDecorator.class,
i18n=@I18n("delete.node.command"))
public List<Node> getNode();
/**
* Return the default local node, localhost-<domain_name>, or null if no such node exists.
*
* @return the Node object, or null if no such node
*/
@DuckTyped
public Node getDefaultLocalNode();
/**
* Return the node with the given name, or null if no such node exists.
*
* @param name the name of the node
* @return the Node object, or null if no such node
*/
@DuckTyped
public Node getNode(String name);
/**
* Can we create a node?
* @param node
* @return true if node creation is allowed, else false
*/
@DuckTyped
public boolean nodeCreationAllowed();
class Duck {
public static Node getNode(Nodes nodes, String name) {
if (name == null || nodes == null) {
return null;
}
for (Node node : nodes.getNode()) {
if (node.getName().equals(name)) {
return node;
}
}
return null;
}
public static Node getDefaultLocalNode(Nodes nodes) {
if (nodes == null) {
return null;
}
Dom serverDom = Dom.unwrap(nodes);
Domain domain = serverDom.getHabitat().getService(Domain.class);
for (Node node : nodes.getNode()) {
if (node.getName().equals("localhost-"+domain.getName())) {
return node;
}
}
return null;
}
public static boolean nodeCreationAllowed(Nodes nodes) {
return ! Boolean.parseBoolean(nodes.getFreeze());
}
}
}