1 files changed, 114 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/spi/common/id/AbstractCDOIDInteger.java b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/spi/common/id/AbstractCDOIDInteger.java
new file mode 100644
index 0000000000..5dc9479831
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/spi/common/id/AbstractCDOIDInteger.java
@@ -0,0 +1,114 @@
+/***************************************************************************
+ * Copyright (c) 2004 - 2008 Eike Stepper, Germany.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *    Eike Stepper - initial API and implementation
+ *    Simon McDuff - http://bugs.eclipse.org/226778
+ **************************************************************************/
+package org.eclipse.emf.cdo.spi.common.id;
+
+import org.eclipse.net4j.util.io.ExtendedDataInput;
+import org.eclipse.net4j.util.io.ExtendedDataOutput;
+
+import java.io.IOException;
+
+/**
+ * @author Eike Stepper
+ * @since 2.0
+ */
+public abstract class AbstractCDOIDInteger extends AbstractCDOID implements Comparable<AbstractCDOIDInteger>
+{
+  private static final long serialVersionUID = 1L;
+
+  private int value;
+
+  public AbstractCDOIDInteger()
+  {
+  }
+
+  public AbstractCDOIDInteger(int value)
+  {
+    if (value == 0)
+    {
+      throw new IllegalArgumentException("value == 0");
+    }
+
+    this.value = value;
+  }
+
+  public int getIntValue()
+  {
+    return value;
+  }
+
+  public String toURIFragment()
+  {
+    return String.valueOf(value);
+  }
+
+  @Override
+  public void read(String fragmentPart)
+  {
+    value = Integer.valueOf(fragmentPart);
+  }
+
+  @Override
+  public void read(ExtendedDataInput in) throws IOException
+  {
+    value = in.readInt();
+  }
+
+  @Override
+  public void write(ExtendedDataOutput out) throws IOException
+  {
+    out.writeInt(value);
+  }
+
+  public int compareTo(AbstractCDOIDInteger that)
+  {
+    if (value < that.value)
+    {
+      return -1;
+    }
+
+    if (value > that.value)
+    {
+      return 1;
+    }
+
+    return 0;
+  }
+
+  @Override
+  public boolean equals(Object obj)
+  {
+    if (obj == this)
+    {
+      return true;
+    }
+
+    if (obj != null && obj.getClass() == getClass())
+    {
+      AbstractCDOIDInteger that = (AbstractCDOIDInteger)obj;
+      return value == that.value;
+    }
+
+    return false;
+  }
+
+  @Override
+  public int hashCode()
+  {
+    return getClass().hashCode() ^ value;
+  }
+
+  @Override
+  public String toString()
+  {
+    return String.valueOf(value);
+  }
+}