+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.db.common.request;\r
+\r
+\r
+\r
+abstract public class BinaryRead<P1, P2, R> extends GenericReadBase<P1, R> {\r
+\r
+ final protected P1 parameter;\r
+ final protected P2 parameter2;\r
+ \r
+ private int hashCode;\r
+\r
+ @Override\r
+ public int hashCode() {\r
+ if(hashCode == 0) {\r
+ final int h1 = parameter != null ? parameter.hashCode() : 0;\r
+ final int h2 = parameter2 != null ? parameter2.hashCode() : 0;\r
+ hashCode = getClass().hashCode() + 31*(h1 + 31 * h2);\r
+ }\r
+ return hashCode;\r
+ }\r
+\r
+ @Override\r
+ public boolean equals(Object object) {\r
+ if (this == object)\r
+ return true;\r
+ else if (object == null)\r
+ return false;\r
+ else if (getClass() != object.getClass())\r
+ return false;\r
+ BinaryRead<?, ?, ?> r = (BinaryRead<?, ?, ?>) object;\r
+ \r
+ if(hashCode() != r.hashCode()) return false;\r
+ \r
+ if(parameter != null) {\r
+ if(!parameter.equals(r.parameter)) return false;\r
+ } else if(r.parameter != null) return false;\r
+ if(parameter2 != null) {\r
+ if(!parameter2.equals(r.parameter2)) return false;\r
+ } else if(r.parameter2 != null) return false;\r
+ return true;\r
+ \r
+ }\r
+\r
+ public BinaryRead(P1 parameter1, P2 parameter2) {\r
+ this.parameter = parameter1;\r
+ this.parameter2 = parameter2;\r
+ }\r
+\r
+ @Override\r
+ public String toString() {\r
+ return getClass().getSimpleName() + "$" + parameter + "$" + parameter2; \r
+ }\r
+ \r
+}\r