BPELAssign.java

/**
 * Copyright 2010 JBoss Inc
 *
 * 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.drools.bpel.core;

import java.util.ArrayList;
import java.util.List;

import org.drools.workflow.core.Connection;
import org.drools.workflow.core.Node;
import org.drools.workflow.core.impl.NodeImpl;

/**
 * 
 * @author <a href="mailto:kris_verlaenen@hotmail.com">Kris Verlaenen</a>
 */
public class BPELAssign extends NodeImpl implements BPELActivity {

    private static final long serialVersionUID = 510l;
    
    private List<Copy> copies = new ArrayList<Copy>();
    private SourceLink[] sourceLinks;
    private TargetLink[] targetLinks;
    
    public void addCopy(Copy copy) {
    	copies.add(copy);
    }
    
    public List<Copy> getCopies() {
    	return copies;
    }

    public SourceLink[] getSourceLinks() {
        return sourceLinks;
    }

    public void setSourceLinks(SourceLink[] sourceLinks) {
        this.sourceLinks = sourceLinks;
    }

    public TargetLink[] getTargetLinks() {
        return targetLinks;
    }

    public void setTargetLinks(TargetLink[] targetLinks) {
        this.targetLinks = targetLinks;
    }
    
    public void validateAddIncomingConnection(final String type,
            final Connection connection) {
        super.validateAddIncomingConnection(type, connection);
        if (!Node.CONNECTION_DEFAULT_TYPE.equals(type)) {
            throw new IllegalArgumentException(
                "This type of node only accepts default incoming connection type!");
        }
        if (getIncomingConnections(Node.CONNECTION_DEFAULT_TYPE) != null
                && !getIncomingConnections(Node.CONNECTION_DEFAULT_TYPE).isEmpty()) {
            throw new IllegalArgumentException(
                "This type of node cannot have more than one incoming connection!");
        }
    }

    public void validateAddOutgoingConnection(final String type, final Connection connection) {
        super.validateAddOutgoingConnection(type, connection);
        if (!Node.CONNECTION_DEFAULT_TYPE.equals(type)) {
            throw new IllegalArgumentException(
                "This type of node only accepts default outgoing connection type!");
        }
        if (getOutgoingConnections(Node.CONNECTION_DEFAULT_TYPE) != null
                && !getOutgoingConnections(Node.CONNECTION_DEFAULT_TYPE).isEmpty()) {
            throw new IllegalArgumentException(
                "This type of node cannot have more than one outgoing connection!");
        }
    }
    
    public class Copy {

    	private boolean keepSrcElementName;
    	private From from;
    	private To to;
    	
		public From getFrom() {
			return from;
		}
		
		public void setFrom(From from) {
			this.from = from;
		}
		
		public To getTo() {
			return to;
		}
		
		public void setTo(To to) {
			this.to = to;
		}

		public boolean isKeepSrcElementName() {
			return keepSrcElementName;
		}

		public void setKeepSrcElementName(boolean keepSrcElementName) {
			this.keepSrcElementName = keepSrcElementName;
		}
			
    }
    
    public interface From {
    }
    
    public interface To {
    	
    	String getVariable();
    	
    }
    
    public class VariableRef implements From, To {

    	private String variable;
    	private String part;
    	private String headerPart;
    	private String location;
    	
    	public VariableRef(String variable, String part, String headerPart, String location) {
    		this.variable = variable;
    		this.part = part;
    		this.headerPart = headerPart;
    		this.location = location;
    	}
    	
    	public String getVariable() {
    		return variable;
    	}
    	
    	public String getPart() {
    		return part;
    	}
    	
    	public String getHeaderPart() {
    		return headerPart;
    	}
    	
    	public String getLocation() {
    		return location;
    	}
    	
    }
    
    public class Literal implements From {
    	
    	private String value;

    	public Literal(String value) {
    		this.value = value;
    	}
    	
    	public String getValue() {
    		return value;
    	}
    	
    }

    public class Expression implements From, To {
    	
    	private String expression;
    	
    	public Expression(String expression) {
    		this.expression = expression;
    	}
    	
    	public String getExpression() {
    		return expression;
    	}

		public String getVariable() {
			return null;
		}
    	
    }
    
    public class DirectRef implements To {

    	private String variable;
    	
    	public DirectRef(String variable) {
    		this.variable = variable;
    	}
    	
		public String getVariable() {
			return variable;
		}
    	
    }
    
    public class PropertyRef implements To {
    	
    	private String variable;
    	
    	public PropertyRef(String variable) {
    		this.variable = variable;
    	}
    	
		public String getVariable() {
			return variable;
		}
    	
    }
    
    public class LValueExpression implements To {
    	
    	private String variable;
    	
    	public LValueExpression(String variable) {
    		this.variable = variable;
    	}
    	
		public String getVariable() {
			return variable;
		}
    	
    }
    
    public class PartnerLinkRef implements From, To {
    	
    	private String variable;
    	
    	public PartnerLinkRef(String variable) {
    		this.variable = variable;
    	}
    	
		public String getVariable() {
			return variable;
		}
    	
    }

}