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/*******************************************************************************
* Copyright (c) 2004-2008 Gabor Bergmann and Daniel Varro
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-v20.html.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package tools.refinery.viatra.runtime.rete.remote;
import tools.refinery.viatra.runtime.rete.network.Node;
import tools.refinery.viatra.runtime.rete.network.ReteContainer;
/**
* Remote identifier of a node of type T.
*
* @author Gabor Bergmann
*
*/
public class Address<T extends Node> {
ReteContainer container;
Long nodeId;
/**
* Feel free to leave null e.g. if node is in a separate JVM.
*/
T nodeCache;
/**
* Address of local node (use only for containers in the same VM!)
*/
public static <N extends Node> Address<N> of(N node) {
return new Address<N>(node);
}
/**
* General constructor.
*
* @param container
* @param nodeId
*/
public Address(ReteContainer container, Long nodeId) {
super();
this.container = container;
this.nodeId = nodeId;
}
/**
* Local-only constructor. (use only for containers in the same VM!)
*
* @param node
* the node to address
*/
public Address(T node) {
super();
this.nodeCache = node;
this.container = node.getContainer();
this.nodeId = node.getNodeId();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((container == null) ? 0 : container.hashCode());
result = prime * result + ((nodeId == null) ? 0 : nodeId.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof Address<?>))
return false;
final Address<?> other = (Address<?>) obj;
if (container == null) {
if (other.container != null)
return false;
} else if (!container.equals(other.container))
return false;
if (nodeId == null) {
if (other.nodeId != null)
return false;
} else if (!nodeId.equals(other.nodeId))
return false;
return true;
}
public ReteContainer getContainer() {
return container;
}
public void setContainer(ReteContainer container) {
this.container = container;
}
public Long getNodeId() {
return nodeId;
}
public void setNodeId(Long nodeId) {
this.nodeId = nodeId;
}
public T getNodeCache() {
return nodeCache;
}
public void setNodeCache(T nodeCache) {
this.nodeCache = nodeCache;
}
@Override
public String toString() {
if (nodeCache == null)
return "A(" + nodeId + " @ " + container + ")";
else
return "A(" + nodeCache + ")";
}
}
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