| /*************************************************************************** |
| * 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.ObjectUtil; |
| 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 AbstractCDOIDLong extends AbstractCDOID implements Comparable<AbstractCDOIDLong> |
| { |
| public static final long NULL_VALUE = 0L; |
| |
| private static final long serialVersionUID = 1L; |
| |
| private long value; |
| |
| public AbstractCDOIDLong() |
| { |
| } |
| |
| public AbstractCDOIDLong(long value) |
| { |
| if (value == NULL_VALUE) |
| { |
| throw new IllegalArgumentException("value == NULL_VALUE"); |
| } |
| |
| this.value = value; |
| } |
| |
| public long getLongValue() |
| { |
| return value; |
| } |
| |
| public String toURIFragment() |
| { |
| return String.valueOf(value); |
| } |
| |
| @Override |
| public void read(String fragmentPart) |
| { |
| value = Long.valueOf(fragmentPart); |
| } |
| |
| @Override |
| public void read(ExtendedDataInput in) throws IOException |
| { |
| value = in.readLong(); |
| } |
| |
| @Override |
| public void write(ExtendedDataOutput out) throws IOException |
| { |
| out.writeLong(value); |
| } |
| |
| public int compareTo(AbstractCDOIDLong 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()) |
| { |
| AbstractCDOIDLong that = (AbstractCDOIDLong)obj; |
| return value == that.value; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return getClass().hashCode() ^ ObjectUtil.hashCode(value); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return String.valueOf(value); |
| } |
| } |