| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.ode.bpel.o; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.xml.namespace.QName; |
| |
| import org.apache.ode.bpel.o.OScope.Variable; |
| import org.apache.ode.utils.DOMUtils; |
| import org.apache.ode.utils.SerializableElement; |
| import org.w3c.dom.Document; |
| |
| public class OAssign extends OActivity { |
| static final long serialVersionUID = -1L ; |
| |
| public final List<OAssignOperation> operations = new ArrayList<OAssignOperation>(); |
| |
| public OAssign(OProcess owner, OActivity parent) { |
| super(owner, parent); |
| } |
| |
| |
| public String toString() { |
| return "{OAssign : " + name + ", joinCondition=" + joinCondition + "}"; |
| } |
| |
| /** |
| * Base class for assign operations. |
| */ |
| public static abstract class OAssignOperation extends OBase { |
| private static final long serialVersionUID = -3042873658302758854L; |
| |
| public enum Type { Copy, ExtensionOperation } |
| |
| public OAssignOperation(OProcess owner) { |
| super(owner); |
| } |
| |
| public abstract Type getType(); |
| } |
| |
| /** |
| * Assignmenet copy entry, i.e. what the assignment consits of. |
| */ |
| public static class Copy extends OAssignOperation { |
| private static final long serialVersionUID = 1L; |
| public LValue to; |
| public RValue from; |
| public boolean keepSrcElementName; |
| public boolean ignoreMissingFromData; |
| public boolean ignoreUninitializedFromVariable; |
| public boolean insertMissingToData; |
| |
| public Copy(OProcess owner) { |
| super(owner); |
| } |
| |
| public String toString() { |
| return "{OCopy " + to + "=" + from + "}"; |
| } |
| |
| @Override |
| public void dehydrate() { |
| super.dehydrate(); |
| to = null; |
| from = null; |
| } |
| |
| public Type getType() { |
| return Type.Copy; |
| } |
| } |
| |
| /** |
| * Assignment extension operation entry, i.e. what the assignment consists of. |
| */ |
| public static class ExtensionAssignOperation extends OAssignOperation { |
| private static final long serialVersionUID = 1L; |
| public SerializableElement nestedElement; |
| public QName extensionName; |
| |
| public ExtensionAssignOperation(OProcess owner) { |
| super(owner); |
| } |
| |
| public String toString() { |
| return "{OExtensionAssignOperation; " + nestedElement.getElement().getTagName() + "}"; |
| } |
| |
| @Override |
| public void dehydrate() { |
| super.dehydrate(); |
| nestedElement = null; |
| extensionName = null; |
| } |
| |
| public Type getType() { |
| return Type.ExtensionOperation; |
| } |
| } |
| |
| public interface LValue { |
| OScope.Variable getVariable(); |
| } |
| |
| public interface RValue { } |
| |
| public static class Literal extends OBase implements RValue { |
| private static final long serialVersionUID = 1L; |
| public transient String xmlLiteral; |
| |
| public Literal(OProcess owner, Document xmlLiteral) { |
| super(owner); |
| if (xmlLiteral == null) |
| throw new IllegalArgumentException("null xmlLiteral!"); |
| this.xmlLiteral = DOMUtils.domToString(xmlLiteral); |
| } |
| |
| public String toString() { |
| return "{Literal " + xmlLiteral + "}"; |
| } |
| |
| private void writeObject(java.io.ObjectOutputStream out) |
| throws IOException |
| { |
| out.writeObject(xmlLiteral); |
| } |
| |
| private void readObject(java.io.ObjectInputStream in) |
| throws IOException |
| { |
| String domStr = null; |
| try { |
| domStr = (String) in.readObject(); |
| } catch (ClassNotFoundException e) { |
| throw (IOException)(new IOException("XML de-serialization error.")).initCause(e); |
| } |
| xmlLiteral = domStr; |
| } |
| |
| public String getXmlLiteral() { |
| return xmlLiteral; |
| } |
| } |
| |
| public static class LValueExpression extends OBase implements LValue { |
| private static final long serialVersionUID = 1L; |
| public OLValueExpression expression; |
| |
| public LValueExpression(OProcess owner, OLValueExpression compiledExpression) { |
| super(owner); |
| this.expression = compiledExpression; |
| } |
| |
| public String toString() { |
| return expression.toString(); |
| } |
| /** |
| * @see org.apache.ode.bpel.o.OAssign.LValue#getVariable() |
| */ |
| public Variable getVariable() { |
| return expression.getVariable(); |
| } |
| public boolean isInsertMissingToData() { |
| return expression.insertMissingData; |
| } |
| public void setInsertMissingToData(boolean insertMissingToData) { |
| expression.insertMissingData = insertMissingToData; |
| } |
| |
| } |
| public static class Expression extends OBase implements RValue { |
| private static final long serialVersionUID = 1L; |
| public OExpression expression; |
| |
| public Expression(OProcess owner, OExpression compiledExpression) { |
| super(owner); |
| this.expression = compiledExpression; |
| } |
| |
| public String toString() { |
| return expression.toString(); |
| } |
| } |
| |
| |
| /** |
| * Direct reference: selects named child of the message document element. |
| * This is used for access to extensions (SOAP headers for example). |
| * @author mszefler |
| */ |
| public static class DirectRef extends OBase implements RValue, LValue { |
| private static final long serialVersionUID = 1L; |
| public DirectRef(OProcess owner) { |
| super(owner); |
| } |
| |
| /** Referenced Variable */ |
| public OScope.Variable variable; |
| |
| /** Name of the element referenced. */ |
| public QName elName; |
| |
| public Variable getVariable() { |
| return variable; |
| } |
| } |
| |
| public static class VariableRef extends OBase implements RValue, LValue { |
| private static final long serialVersionUID = 1L; |
| public OScope.Variable variable; |
| public OMessageVarType.Part part; |
| public OMessageVarType.Part headerPart; |
| public OExpression location; |
| |
| public VariableRef(OProcess owner) { |
| super(owner); |
| } |
| |
| public OScope.Variable getVariable() { |
| return variable; |
| } |
| |
| /** |
| * Report whether this is a reference to a whole "message" |
| * @return <code>true</code> if whole-message reference |
| */ |
| public boolean isMessageRef() { |
| return variable.type instanceof OMessageVarType && part == null && headerPart == null && location == null; |
| } |
| |
| /** |
| * Report whether this is a reference to a message part. |
| * @return <code>true</code> if reference to a message part |
| */ |
| public boolean isPartRef() { |
| return variable.type instanceof OMessageVarType && part != null && location == null; |
| } |
| |
| public boolean isHeaderRef() { |
| return variable.type instanceof OMessageVarType && headerPart != null && location == null; |
| } |
| |
| public String toString() { |
| return "{VarRef " + variable + |
| (part==null ? "" : "." + part.name) + |
| (location == null ? "" : location.toString())+ "}"; |
| } |
| } |
| |
| public static class PropertyRef extends OBase implements RValue, LValue { |
| private static final long serialVersionUID = 1L; |
| public OScope.Variable variable; |
| public OProcess.OPropertyAlias propertyAlias; |
| |
| public PropertyRef(OProcess owner) { super(owner); } |
| |
| public OScope.Variable getVariable() { |
| return variable; |
| } |
| |
| public String toString() { |
| return "{PropRef " + variable + "!" + propertyAlias+ "}"; |
| } |
| } |
| |
| public static class PartnerLinkRef extends OBase implements RValue, LValue { |
| private static final long serialVersionUID = 1L; |
| public OPartnerLink partnerLink; |
| public boolean isMyEndpointReference; |
| |
| public PartnerLinkRef(OProcess owner) { super(owner); } |
| |
| // Must fit in a LValue even if it's not variable based |
| public Variable getVariable() { |
| return null; |
| } |
| |
| public String toString() { |
| return "{PLinkRef " + partnerLink + "!" + isMyEndpointReference + "}"; |
| } |
| } |
| |
| @Override |
| public void dehydrate() { |
| super.dehydrate(); |
| for (OAssignOperation operation : this.operations) { |
| if (operation.getType().equals(OAssignOperation.Type.Copy)) { |
| ((Copy)operation).dehydrate(); |
| } else if (operation.getType().equals(OAssignOperation.Type.ExtensionOperation)) { |
| ((ExtensionAssignOperation)operation).dehydrate(); |
| } |
| } |
| } |
| } |