diff options
Diffstat (limited to 'plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/id/CDOIDNullImpl.java')
-rw-r--r-- | plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/id/CDOIDNullImpl.java | 250 |
1 files changed, 125 insertions, 125 deletions
diff --git a/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/id/CDOIDNullImpl.java b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/id/CDOIDNullImpl.java index 4fd07ea586..4162b4d7b9 100644 --- a/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/id/CDOIDNullImpl.java +++ b/plugins/org.eclipse.emf.cdo.common/src/org/eclipse/emf/cdo/internal/common/id/CDOIDNullImpl.java @@ -1,125 +1,125 @@ -/* - * Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) and others. - * 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 - bug 226778 - * - */ -package org.eclipse.emf.cdo.internal.common.id; - -import org.eclipse.emf.cdo.common.id.CDOID; -import org.eclipse.emf.cdo.common.id.CDOIDObject; -import org.eclipse.emf.cdo.common.id.CDOIDTemp; -import org.eclipse.emf.cdo.spi.common.id.AbstractCDOID; - -import org.eclipse.net4j.util.io.ExtendedDataInput; -import org.eclipse.net4j.util.io.ExtendedDataOutput; - -import java.io.IOException; - -/** - * @author Eike Stepper - */ -public final class CDOIDNullImpl extends AbstractCDOID implements CDOIDTemp, CDOIDObject -{ - public static final CDOIDNullImpl INSTANCE = new CDOIDNullImpl(); - - private static final long serialVersionUID = 1L; - - private CDOIDNullImpl() - { - } - - public Type getType() - { - return Type.NULL; - } - - public boolean isDangling() - { - return false; - } - - public boolean isExternal() - { - return false; - } - - public boolean isNull() - { - return true; - } - - public boolean isObject() - { - return false; - } - - public boolean isTemporary() - { - return false; - } - - public int getIntValue() - { - return 0; - } - - public long getLongValue() - { - return 0L; - } - - public String toURIFragment() - { - return "NULL"; //$NON-NLS-1$ - } - - @Override - public void read(String fragmentPart) - { - // Do nothing - } - - @Override - public void read(ExtendedDataInput in) throws IOException - { - // Do nothing - } - - @Override - public void write(ExtendedDataOutput out) throws IOException - { - // Do nothing - } - - @Override - public boolean equals(Object obj) - { - return obj == INSTANCE; - } - - @Override - public int hashCode() - { - return 0; - } - - @Override - public String toString() - { - return "NULL"; //$NON-NLS-1$ - } - - @Override - protected int doCompareTo(CDOID o) throws ClassCastException - { - ((CDOIDNullImpl)o).getIntValue(); // Possibly throw ClassCastException - return 0; // NULL == NULL - } -} +/*
+ * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
+ * 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 - bug 226778
+ *
+ */
+package org.eclipse.emf.cdo.internal.common.id;
+
+import org.eclipse.emf.cdo.common.id.CDOID;
+import org.eclipse.emf.cdo.common.id.CDOIDObject;
+import org.eclipse.emf.cdo.common.id.CDOIDTemp;
+import org.eclipse.emf.cdo.spi.common.id.AbstractCDOID;
+
+import org.eclipse.net4j.util.io.ExtendedDataInput;
+import org.eclipse.net4j.util.io.ExtendedDataOutput;
+
+import java.io.IOException;
+
+/**
+ * @author Eike Stepper
+ */
+public final class CDOIDNullImpl extends AbstractCDOID implements CDOIDTemp, CDOIDObject
+{
+ public static final CDOIDNullImpl INSTANCE = new CDOIDNullImpl();
+
+ private static final long serialVersionUID = 1L;
+
+ private CDOIDNullImpl()
+ {
+ }
+
+ public Type getType()
+ {
+ return Type.NULL;
+ }
+
+ public boolean isDangling()
+ {
+ return false;
+ }
+
+ public boolean isExternal()
+ {
+ return false;
+ }
+
+ public boolean isNull()
+ {
+ return true;
+ }
+
+ public boolean isObject()
+ {
+ return false;
+ }
+
+ public boolean isTemporary()
+ {
+ return false;
+ }
+
+ public int getIntValue()
+ {
+ return 0;
+ }
+
+ public long getLongValue()
+ {
+ return 0L;
+ }
+
+ public String toURIFragment()
+ {
+ return "NULL"; //$NON-NLS-1$
+ }
+
+ @Override
+ public void read(String fragmentPart)
+ {
+ // Do nothing
+ }
+
+ @Override
+ public void read(ExtendedDataInput in) throws IOException
+ {
+ // Do nothing
+ }
+
+ @Override
+ public void write(ExtendedDataOutput out) throws IOException
+ {
+ // Do nothing
+ }
+
+ @Override
+ public boolean equals(Object obj)
+ {
+ return obj == INSTANCE;
+ }
+
+ @Override
+ public int hashCode()
+ {
+ return 0;
+ }
+
+ @Override
+ public String toString()
+ {
+ return "NULL"; //$NON-NLS-1$
+ }
+
+ @Override
+ protected int doCompareTo(CDOID o) throws ClassCastException
+ {
+ ((CDOIDNullImpl)o).getIntValue(); // Possibly throw ClassCastException
+ return 0; // NULL == NULL
+ }
+}
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