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diff --git a/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/access/EOAdaptorOperation.java b/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/access/EOAdaptorOperation.java
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+++ b/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/access/EOAdaptorOperation.java
@@ -0,0 +1,120 @@
+/*
+ Wotonomy: OpenStep design patterns for pure Java applications.
+ Copyright (C) 2001 Michael Powers
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, see http://www.gnu.org
+ */
+package net.wotonomy.access;
+
+import net.wotonomy.control.EOQualifier;
+import net.wotonomy.foundation.NSArray;
+import net.wotonomy.foundation.NSDictionary;
+
+/**
+* Represents a single primitive operation in a database server.
+* Can be insert, update, delete, lock a row, or execute a
+* stored procedure.
+* 
+* @author ezamudio@nasoft.com
+* @author $Author: cgruber $
+* @version $Revision: 894 $
+*/
+public class EOAdaptorOperation {
+
+	protected EOEntity _entity;
+	protected NSArray _attributes;
+	protected NSDictionary _changedValues;
+	protected Throwable _exception;
+	protected EOQualifier _qualifier;
+	protected EOStoredProcedure _proc;
+	protected int _adaptorOp;
+
+	public EOAdaptorOperation(EOEntity entity) {
+		super();
+		_entity = entity;
+	}
+
+	public void setAdaptorOperator(int adOp) {
+		_adaptorOp = adOp;
+	}
+	public int adaptorOperator() {
+		return _adaptorOp;
+	}
+
+	public void setAttributes(NSArray atts) {
+		_attributes = atts;
+	}
+	public NSArray attributes() {
+		return _attributes;
+	}
+
+	public void setChangedValues(NSDictionary values) {
+		_changedValues = values;
+	}
+	public NSDictionary changedValues() {
+		return _changedValues;
+	}
+
+	public int compareAdaptorOperation(EOAdaptorOperation op) {
+		if (op.entity() != null && entity() != null) {
+			if (!op.entity().name().equals(entity().name()))
+				op.entity().name().compareTo(entity().name());
+		}
+		if (adaptorOperator() < op.adaptorOperator())
+			return -1;
+		if (adaptorOperator() > op.adaptorOperator())
+			return 1;
+		return 0;
+	}
+
+	public EOEntity entity() {
+		return _entity;
+	}
+
+	public void setException(Throwable t) {
+		_exception = t;
+	}
+	public Throwable exception() {
+		return _exception;
+	}
+
+	public void setQualifier(EOQualifier q) {
+		_qualifier = q;
+	}
+	public EOQualifier qualifier() {
+		return _qualifier;
+	}
+
+	public void setStoredProcedure(EOStoredProcedure sp) {
+		_proc = sp;
+	}
+	public EOStoredProcedure storedProcedure() {
+		return _proc;
+	}
+
+}
+/*
+ * $Log$
+ * Revision 1.2  2006/02/16 16:47:13  cgruber
+ * Move some classes in to "internal" packages and re-work imports, etc.
+ *
+ * Also use UnsupportedOperationExceptions where appropriate, instead of WotonomyExceptions.
+ *
+ * Revision 1.1  2006/02/16 13:19:57  cgruber
+ * Check in all sources in eclipse-friendly maven-enabled packages.
+ *
+ * Revision 1.1  2003/08/13 00:37:45  chochos
+ * an almost complete implementation of the abstract adaptor-layer classes
+ *
+ */
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