/**
* Copyright 2005 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jbpm.workflow.core.node;
import org.kie.api.definition.process.Connection;
import org.jbpm.workflow.core.impl.NodeImpl;
/**
* Default implementation of a join.
*
*/
public class Join extends NodeImpl {
public static final int TYPE_UNDEFINED = 0;
/**
* The outgoing connection of a join of this type is triggered
* when all its incoming connections have been triggered.
*/
public static final int TYPE_AND = 1;
/**
* The outgoing connection of a join of this type is triggered
* when one of its incoming connections has been triggered.
*/
public static final int TYPE_XOR = 2;
/**
* The outgoing connection of a join of this type is triggered
* when one of its incoming connections has been triggered. It then
* waits until all other incoming connections have been triggered
* before allowing
*/
public static final int TYPE_DISCRIMINATOR = 3;
/**
* The outgoing connection of a join of this type is triggered
* when n of its incoming connections have been triggered.
*/
public static final int TYPE_N_OF_M = 4;
public static final int TYPE_OR = 5;
private static final long serialVersionUID = 510l;
private int type;
private String n;
public Join() {
this.type = TYPE_UNDEFINED;
}
public void setType(final int type) {
this.type = type;
}
public int getType() {
return this.type;
}
public void setN(String n) {
this.n = n;
}
public String getN() {
return n;
}
public void validateAddIncomingConnection(final String type, final Connection connection) {
super.validateAddIncomingConnection(type, connection);
if (!org.jbpm.workflow.core.Node.CONNECTION_DEFAULT_TYPE.equals(type)) {
throw new IllegalArgumentException(
"This type of node [" + connection.getTo().getMetaData().get("UniqueId") + ", " + connection.getTo().getName()
+ "] only accepts default incoming connection type!");
}
}
public void validateAddOutgoingConnection(final String type, final Connection connection) {
super.validateAddOutgoingConnection(type, connection);
if (!org.jbpm.workflow.core.Node.CONNECTION_DEFAULT_TYPE.equals(type)) {
throw new IllegalArgumentException(
"This type of node [" + connection.getFrom().getMetaData().get("UniqueId") + ", " + connection.getFrom().getName()
+ "] only accepts default outgoing connection type!");
}
if (getTo() != null) {
throw new IllegalArgumentException(
"This type of node [" + connection.getFrom().getMetaData().get("UniqueId") + ", " + connection.getFrom().getName()
+ "] cannot have more than one outgoing connection!");
}
}
}