/**
* Copyright (c) 2011 Obeo.
* 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:
* Obeo - initial API and implementation
*/
package org.obeonetwork.dsl.database.impl;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectWithInverseResolvingEList;
import org.eclipse.emf.ecore.util.EcoreEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;
import org.obeonetwork.dsl.database.AbstractTable;
import org.obeonetwork.dsl.database.Column;
import org.obeonetwork.dsl.database.DatabaseFactory;
import org.obeonetwork.dsl.database.DatabasePackage;
import org.obeonetwork.dsl.database.ForeignKey;
import org.obeonetwork.dsl.database.ForeignKeyElement;
import org.obeonetwork.dsl.database.Index;
import org.obeonetwork.dsl.database.IndexElement;
import org.obeonetwork.dsl.database.PrimaryKey;
import org.obeonetwork.dsl.database.Sequence;
import org.obeonetwork.dsl.database.Table;
import org.obeonetwork.dsl.typeslibrary.Type;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Column</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#isNullable <em>Nullable</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#getDefaultValue <em>Default Value</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#getIndexes <em>Indexes</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#getIndexElements <em>Index Elements</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#getPrimaryKey <em>Primary Key</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#getForeignKeys <em>Foreign Keys</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#getForeignKeyElements <em>Foreign Key Elements</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#getType <em>Type</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#getSequence <em>Sequence</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#getOwner <em>Owner</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#isAutoincrement <em>Autoincrement</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#isInPrimaryKey <em>In Primary Key</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#isInForeignKey <em>In Foreign Key</em>}</li>
* <li>{@link org.obeonetwork.dsl.database.impl.ColumnImpl#isUnique <em>Unique</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class ColumnImpl extends NamedElementImpl implements Column {
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public static final String copyright = "Copyright (c) 2011 Obeo.\r\nAll rights reserved. This program and the accompanying materials\r\nare made available under the terms of the Eclipse Public License v1.0\r\nwhich accompanies this distribution, and is available at\r\nhttp://www.eclipse.org/legal/epl-v10.html\r\n\r\nContributors:\r\n Obeo - initial API and implementation";
/**
* The default value of the '{@link #isNullable() <em>Nullable</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isNullable()
* @generated
* @ordered
*/
protected static final boolean NULLABLE_EDEFAULT = false;
/**
* The default value of the '{@link #getDefaultValue() <em>Default Value</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getDefaultValue()
* @generated
* @ordered
*/
protected static final String DEFAULT_VALUE_EDEFAULT = null;
/**
* The default value of the '{@link #isAutoincrement() <em>Autoincrement</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isAutoincrement()
* @generated
* @ordered
*/
protected static final boolean AUTOINCREMENT_EDEFAULT = false;
/**
* The default value of the '{@link #isInPrimaryKey() <em>In Primary Key</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isInPrimaryKey()
* @generated
* @ordered
*/
protected static final boolean IN_PRIMARY_KEY_EDEFAULT = false;
/**
* The default value of the '{@link #isInForeignKey() <em>In Foreign Key</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isInForeignKey()
* @generated
* @ordered
*/
protected static final boolean IN_FOREIGN_KEY_EDEFAULT = false;
/**
* The default value of the '{@link #isUnique() <em>Unique</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isUnique()
* @generated
* @ordered
*/
protected static final boolean UNIQUE_EDEFAULT = false;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected ColumnImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return DatabasePackage.Literals.COLUMN;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean isNullable() {
return (Boolean)eDynamicGet(DatabasePackage.COLUMN__NULLABLE, DatabasePackage.Literals.COLUMN__NULLABLE, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setNullable(boolean newNullable) {
eDynamicSet(DatabasePackage.COLUMN__NULLABLE, DatabasePackage.Literals.COLUMN__NULLABLE, newNullable);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String getDefaultValue() {
return (String)eDynamicGet(DatabasePackage.COLUMN__DEFAULT_VALUE, DatabasePackage.Literals.COLUMN__DEFAULT_VALUE, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setDefaultValue(String newDefaultValue) {
eDynamicSet(DatabasePackage.COLUMN__DEFAULT_VALUE, DatabasePackage.Literals.COLUMN__DEFAULT_VALUE, newDefaultValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
public EList<Index> getIndexes() {
return (EList<Index>)eDynamicGet(DatabasePackage.COLUMN__INDEXES, DatabasePackage.Literals.COLUMN__INDEXES, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
public EList<IndexElement> getIndexElements() {
return (EList<IndexElement>)eDynamicGet(DatabasePackage.COLUMN__INDEX_ELEMENTS, DatabasePackage.Literals.COLUMN__INDEX_ELEMENTS, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public PrimaryKey getPrimaryKey() {
return (PrimaryKey)eDynamicGet(DatabasePackage.COLUMN__PRIMARY_KEY, DatabasePackage.Literals.COLUMN__PRIMARY_KEY, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public PrimaryKey basicGetPrimaryKey() {
return (PrimaryKey)eDynamicGet(DatabasePackage.COLUMN__PRIMARY_KEY, DatabasePackage.Literals.COLUMN__PRIMARY_KEY, false, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetPrimaryKey(PrimaryKey newPrimaryKey, NotificationChain msgs) {
msgs = eDynamicInverseAdd((InternalEObject)newPrimaryKey, DatabasePackage.COLUMN__PRIMARY_KEY, msgs);
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setPrimaryKey(PrimaryKey newPrimaryKey) {
eDynamicSet(DatabasePackage.COLUMN__PRIMARY_KEY, DatabasePackage.Literals.COLUMN__PRIMARY_KEY, newPrimaryKey);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
public EList<ForeignKey> getForeignKeys() {
return (EList<ForeignKey>)eDynamicGet(DatabasePackage.COLUMN__FOREIGN_KEYS, DatabasePackage.Literals.COLUMN__FOREIGN_KEYS, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
public EList<ForeignKeyElement> getForeignKeyElements() {
return (EList<ForeignKeyElement>)eDynamicGet(DatabasePackage.COLUMN__FOREIGN_KEY_ELEMENTS, DatabasePackage.Literals.COLUMN__FOREIGN_KEY_ELEMENTS, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Type getType() {
return (Type)eDynamicGet(DatabasePackage.COLUMN__TYPE, DatabasePackage.Literals.COLUMN__TYPE, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetType(Type newType, NotificationChain msgs) {
msgs = eDynamicInverseAdd((InternalEObject)newType, DatabasePackage.COLUMN__TYPE, msgs);
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setType(Type newType) {
eDynamicSet(DatabasePackage.COLUMN__TYPE, DatabasePackage.Literals.COLUMN__TYPE, newType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Sequence getSequence() {
return (Sequence)eDynamicGet(DatabasePackage.COLUMN__SEQUENCE, DatabasePackage.Literals.COLUMN__SEQUENCE, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Sequence basicGetSequence() {
return (Sequence)eDynamicGet(DatabasePackage.COLUMN__SEQUENCE, DatabasePackage.Literals.COLUMN__SEQUENCE, false, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setSequence(Sequence newSequence) {
eDynamicSet(DatabasePackage.COLUMN__SEQUENCE, DatabasePackage.Literals.COLUMN__SEQUENCE, newSequence);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public AbstractTable getOwner() {
return (AbstractTable)eDynamicGet(DatabasePackage.COLUMN__OWNER, DatabasePackage.Literals.COLUMN__OWNER, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetOwner(AbstractTable newOwner, NotificationChain msgs) {
msgs = eBasicSetContainer((InternalEObject)newOwner, DatabasePackage.COLUMN__OWNER, msgs);
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setOwner(AbstractTable newOwner) {
eDynamicSet(DatabasePackage.COLUMN__OWNER, DatabasePackage.Literals.COLUMN__OWNER, newOwner);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean isAutoincrement() {
return (Boolean)eDynamicGet(DatabasePackage.COLUMN__AUTOINCREMENT, DatabasePackage.Literals.COLUMN__AUTOINCREMENT, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setAutoincrement(boolean newAutoincrement) {
eDynamicSet(DatabasePackage.COLUMN__AUTOINCREMENT, DatabasePackage.Literals.COLUMN__AUTOINCREMENT, newAutoincrement);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean isInPrimaryKey() {
return (Boolean)eDynamicGet(DatabasePackage.COLUMN__IN_PRIMARY_KEY, DatabasePackage.Literals.COLUMN__IN_PRIMARY_KEY, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean isInForeignKey() {
return (Boolean)eDynamicGet(DatabasePackage.COLUMN__IN_FOREIGN_KEY, DatabasePackage.Literals.COLUMN__IN_FOREIGN_KEY, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean isUnique() {
return (Boolean)eDynamicGet(DatabasePackage.COLUMN__UNIQUE, DatabasePackage.Literals.COLUMN__UNIQUE, true, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void addToPrimaryKey() {
// TODO: implement this method
// Ensure that you remove @generated or mark it @generated NOT
throw new UnsupportedOperationException();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void removeFromPrimaryKey() {
// TODO: implement this method
// Ensure that you remove @generated or mark it @generated NOT
throw new UnsupportedOperationException();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void addToUniqueIndex() {
// TODO: implement this method
// Ensure that you remove @generated or mark it @generated NOT
throw new UnsupportedOperationException();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void removeFromUniqueIndex() {
// TODO: implement this method
// Ensure that you remove @generated or mark it @generated NOT
throw new UnsupportedOperationException();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case DatabasePackage.COLUMN__INDEX_ELEMENTS:
return ((InternalEList<InternalEObject>)(InternalEList<?>)getIndexElements()).basicAdd(otherEnd, msgs);
case DatabasePackage.COLUMN__PRIMARY_KEY:
PrimaryKey primaryKey = basicGetPrimaryKey();
if (primaryKey != null)
msgs = ((InternalEObject)primaryKey).eInverseRemove(this, DatabasePackage.PRIMARY_KEY__COLUMNS, PrimaryKey.class, msgs);
return basicSetPrimaryKey((PrimaryKey)otherEnd, msgs);
case DatabasePackage.COLUMN__FOREIGN_KEY_ELEMENTS:
return ((InternalEList<InternalEObject>)(InternalEList<?>)getForeignKeyElements()).basicAdd(otherEnd, msgs);
case DatabasePackage.COLUMN__OWNER:
if (eInternalContainer() != null)
msgs = eBasicRemoveFromContainer(msgs);
return basicSetOwner((AbstractTable)otherEnd, msgs);
}
return super.eInverseAdd(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case DatabasePackage.COLUMN__INDEX_ELEMENTS:
return ((InternalEList<?>)getIndexElements()).basicRemove(otherEnd, msgs);
case DatabasePackage.COLUMN__PRIMARY_KEY:
return basicSetPrimaryKey(null, msgs);
case DatabasePackage.COLUMN__FOREIGN_KEY_ELEMENTS:
return ((InternalEList<?>)getForeignKeyElements()).basicRemove(otherEnd, msgs);
case DatabasePackage.COLUMN__TYPE:
return basicSetType(null, msgs);
case DatabasePackage.COLUMN__OWNER:
return basicSetOwner(null, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
switch (eContainerFeatureID()) {
case DatabasePackage.COLUMN__OWNER:
return eInternalContainer().eInverseRemove(this, DatabasePackage.ABSTRACT_TABLE__COLUMNS, AbstractTable.class, msgs);
}
return super.eBasicRemoveFromContainerFeature(msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case DatabasePackage.COLUMN__NULLABLE:
return isNullable();
case DatabasePackage.COLUMN__DEFAULT_VALUE:
return getDefaultValue();
case DatabasePackage.COLUMN__INDEXES:
return getIndexes();
case DatabasePackage.COLUMN__INDEX_ELEMENTS:
return getIndexElements();
case DatabasePackage.COLUMN__PRIMARY_KEY:
if (resolve) return getPrimaryKey();
return basicGetPrimaryKey();
case DatabasePackage.COLUMN__FOREIGN_KEYS:
return getForeignKeys();
case DatabasePackage.COLUMN__FOREIGN_KEY_ELEMENTS:
return getForeignKeyElements();
case DatabasePackage.COLUMN__TYPE:
return getType();
case DatabasePackage.COLUMN__SEQUENCE:
if (resolve) return getSequence();
return basicGetSequence();
case DatabasePackage.COLUMN__OWNER:
return getOwner();
case DatabasePackage.COLUMN__AUTOINCREMENT:
return isAutoincrement();
case DatabasePackage.COLUMN__IN_PRIMARY_KEY:
return isInPrimaryKey();
case DatabasePackage.COLUMN__IN_FOREIGN_KEY:
return isInForeignKey();
case DatabasePackage.COLUMN__UNIQUE:
return isUnique();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case DatabasePackage.COLUMN__NULLABLE:
setNullable((Boolean)newValue);
return;
case DatabasePackage.COLUMN__DEFAULT_VALUE:
setDefaultValue((String)newValue);
return;
case DatabasePackage.COLUMN__INDEX_ELEMENTS:
getIndexElements().clear();
getIndexElements().addAll((Collection<? extends IndexElement>)newValue);
return;
case DatabasePackage.COLUMN__PRIMARY_KEY:
setPrimaryKey((PrimaryKey)newValue);
return;
case DatabasePackage.COLUMN__FOREIGN_KEY_ELEMENTS:
getForeignKeyElements().clear();
getForeignKeyElements().addAll((Collection<? extends ForeignKeyElement>)newValue);
return;
case DatabasePackage.COLUMN__TYPE:
setType((Type)newValue);
return;
case DatabasePackage.COLUMN__SEQUENCE:
setSequence((Sequence)newValue);
return;
case DatabasePackage.COLUMN__OWNER:
setOwner((AbstractTable)newValue);
return;
case DatabasePackage.COLUMN__AUTOINCREMENT:
setAutoincrement((Boolean)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case DatabasePackage.COLUMN__NULLABLE:
setNullable(NULLABLE_EDEFAULT);
return;
case DatabasePackage.COLUMN__DEFAULT_VALUE:
setDefaultValue(DEFAULT_VALUE_EDEFAULT);
return;
case DatabasePackage.COLUMN__INDEX_ELEMENTS:
getIndexElements().clear();
return;
case DatabasePackage.COLUMN__PRIMARY_KEY:
setPrimaryKey((PrimaryKey)null);
return;
case DatabasePackage.COLUMN__FOREIGN_KEY_ELEMENTS:
getForeignKeyElements().clear();
return;
case DatabasePackage.COLUMN__TYPE:
setType((Type)null);
return;
case DatabasePackage.COLUMN__SEQUENCE:
setSequence((Sequence)null);
return;
case DatabasePackage.COLUMN__OWNER:
setOwner((AbstractTable)null);
return;
case DatabasePackage.COLUMN__AUTOINCREMENT:
setAutoincrement(AUTOINCREMENT_EDEFAULT);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case DatabasePackage.COLUMN__NULLABLE:
return isNullable() != NULLABLE_EDEFAULT;
case DatabasePackage.COLUMN__DEFAULT_VALUE:
return DEFAULT_VALUE_EDEFAULT == null ? getDefaultValue() != null : !DEFAULT_VALUE_EDEFAULT.equals(getDefaultValue());
case DatabasePackage.COLUMN__INDEXES:
return !getIndexes().isEmpty();
case DatabasePackage.COLUMN__INDEX_ELEMENTS:
return !getIndexElements().isEmpty();
case DatabasePackage.COLUMN__PRIMARY_KEY:
return basicGetPrimaryKey() != null;
case DatabasePackage.COLUMN__FOREIGN_KEYS:
return !getForeignKeys().isEmpty();
case DatabasePackage.COLUMN__FOREIGN_KEY_ELEMENTS:
return !getForeignKeyElements().isEmpty();
case DatabasePackage.COLUMN__TYPE:
return getType() != null;
case DatabasePackage.COLUMN__SEQUENCE:
return basicGetSequence() != null;
case DatabasePackage.COLUMN__OWNER:
return getOwner() != null;
case DatabasePackage.COLUMN__AUTOINCREMENT:
return isAutoincrement() != AUTOINCREMENT_EDEFAULT;
case DatabasePackage.COLUMN__IN_PRIMARY_KEY:
return isInPrimaryKey() != IN_PRIMARY_KEY_EDEFAULT;
case DatabasePackage.COLUMN__IN_FOREIGN_KEY:
return isInForeignKey() != IN_FOREIGN_KEY_EDEFAULT;
case DatabasePackage.COLUMN__UNIQUE:
return isUnique() != UNIQUE_EDEFAULT;
}
return super.eIsSet(featureID);
}
} //ColumnImpl