jpa/plugins/org.eclipse.jpt.gen/src/org/eclipse/jpt/gen/internal/old/GenTable.java - dali/webtools.dali - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006, 2010 Oracle. 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:
  *     Oracle - initial API and implementation
  ******************************************************************************/
 package org.eclipse.jpt.gen.internal.old;

 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;

 import org.eclipse.jpt.db.Column;
 import org.eclipse.jpt.db.ForeignKey;
 import org.eclipse.jpt.db.Table;
 import org.eclipse.jpt.utility.internal.CollectionTools;
 import org.eclipse.jpt.utility.internal.NameTools;
 import org.eclipse.jpt.utility.internal.StringTools;
 import org.eclipse.jpt.utility.internal.iterables.FilteringIterable;

 /**
  * associate a table with the various relations that will be used when
  * generating the entity corresponding to the table
  */
 class GenTable {
 	private final GenScope scope;
 	private final Table table;

 	// these relations cannot be built until after we have built all the scope's tables
 	private ManyToManyRelation joinTableRelation;
 	private final ArrayList<ManyToManyRelation> ownedManyToManyRelations = new ArrayList<ManyToManyRelation>();
 	private final ArrayList<ManyToManyRelation> nonOwnedManyToManyRelations = new ArrayList<ManyToManyRelation>();
 	private final ArrayList<ManyToOneRelation> manyToOneRelations = new ArrayList<ManyToOneRelation>();
 	private final ArrayList<OneToManyRelation> oneToManyRelations = new ArrayList<OneToManyRelation>();
 	private final HashSet<Column> foreignKeyColumns = new HashSet<Column>();

 	private final HashSet<String> attributeNames = new HashSet<String>();
 	private String attributeNameForEmbeddedId;
 	private final HashMap<Column, String> basicAttributeNames = new HashMap<Column, String>();
 	private final HashMap<ManyToOneRelation, String> manyToOneAttributeNames = new HashMap<ManyToOneRelation, String>();
 	private final HashMap<OneToManyRelation, String> oneToManyAttributeNames = new HashMap<OneToManyRelation, String>();
 	private final HashMap<ManyToManyRelation, String> ownedManyToManyAttributeNames = new HashMap<ManyToManyRelation, String>();
 	private final HashMap<ManyToManyRelation, String> nonOwnedManyToManyAttributeNames = new HashMap<ManyToManyRelation, String>();


 	// ********** construction/initialization **********

 	GenTable(GenScope scope, Table table) {
 		super();
 		this.scope = scope;
 		this.table = table;
 	}


 	// ********** package API **********

 	EntityGenerator.Config getEntityConfig() {
 		return this.scope.getEntityConfig();
 	}

 	/**
 	 * examples:
 	 *   GenTable(FOO) => "FOO_COLLECTION"
 	 *   GenTable(foo) => "fooCollection"
 	 *   GenTable(Foo) => "FooCollection"
 	 */
 	String getCollectionAttributeName() {
 		String name = this.getName();
 		String suffix = this.getEntityConfig().getCollectionAttributeNameSuffix();
 		if (StringTools.stringIsUppercase(name)) {  // hmmm  ~bjv
 			suffix = '_' + suffix.toUpperCase();
 		}
 		return name + suffix;
 	}

 	/**
 	 * determine whether the table is a "join" table within the table's scope;
 	 * this can be removed, later, if we find another table references the,
 	 * seemingly, join table
 	 * @see #clearJoinTableRelation() (and callers)
 	 */
 	void buildJoinTableRelation() {
 		if ( ! this.table.isPossibleJoinTable()) {
 			return;  // the table must have exactly 2 foreign keys
 		}
 		ForeignKey owningFK = this.table.getJoinTableOwningForeignKey();
 		GenTable owningGenTable = this.scope.getGenTable(owningFK.getReferencedTable());
 		if (owningGenTable == null) {
 			return;  // both tables must be in the scope
 		}
 		ForeignKey nonOwningFK = this.table.getJoinTableNonOwningForeignKey();
 		GenTable nonOwningGenTable = this.scope.getGenTable(nonOwningFK.getReferencedTable());
 		if (nonOwningGenTable == null) {
 			return;  // both tables must be in the scope
 		}
 		this.joinTableRelation = new ManyToManyRelation(
 											this,
 											owningFK,
 											owningGenTable,
 											nonOwningFK,
 											nonOwningGenTable
 										);
 	}

 	/**
 	 * used by the scope to figure out whether "join" tables should be
 	 * converted to "entity" tables
 	 */
 	void addReferencedGenTablesTo(Set<GenTable> referencedTables) {
 		for (ForeignKey fk : this.table.getForeignKeys()) {
 			GenTable genTable = this.scope.getGenTable(fk.getReferencedTable());
 			if (genTable != null) {
 				referencedTables.add(genTable);
 			}
 		}
 	}

 	/**
 	 * the scope clears the join table relation if there are any references
 	 * to the join table from other tables in the scope
 	 */
 	void clearJoinTableRelation() {
 		this.joinTableRelation.clear();
 		this.joinTableRelation = null;
 	}

 	/**
 	 * find "in-scope" foreign keys
 	 */
 	void buildManyToOneRelations() {
 		for (ForeignKey fk : this.table.getForeignKeys()) {
 			GenTable referencedGenTable = this.scope.getGenTable(fk.getReferencedTable());
 			if (referencedGenTable != null) {
 				this.manyToOneRelations.add(new ManyToOneRelation(this, fk, referencedGenTable));
 			}
 		}
 	}

 	/**
 	 * now that all the relations are in place, we can configure the Java
 	 * attribute names
 	 */
 	void buildAttributeNames() {
 		this.buildAttributeNameForEmbeddedId();

 		// gather up all the table's columns...
 		Set<Column> columns = CollectionTools.set(this.table.getColumns(), this.table.getColumnsSize());
 		// ...remove the columns that belong exclusively to many-to-one foreign keys...
 		this.buildManyToOneAttributeNames(columns);
 		// ...and use the remaining columns to generate "basic" attribute names
 		this.buildBasicAttributeNames(columns);

 		this.buildOneToManyAttributeNames();
 		this.buildOwnedManyToManyAttributeNames();
 		this.buildNonOwnedManyToManyAttributeNames();
 	}

 	/**
 	 * return the columns that are part of the table's primary key
 	 * but are also part of an "in-scope" foreign key
 	 */
 	Iterable<Column> getReadOnlyPrimaryKeyColumns() {
 		return new FilteringIterable<Column>(this.table.getPrimaryKeyColumns()) {
 			@Override
 			protected boolean accept(Column pkColumn) {
 				return pkColumn.isPartOfForeignKey();
 			}
 		};
 	}

 	/**
 	 * return the columns that are part of the table's primary key
 	 * but are NOT part of any "in-scope" foreign key
 	 */
 	Iterable<Column> getWritablePrimaryKeyColumns() {
 		return new FilteringIterable<Column>(this.table.getPrimaryKeyColumns()) {
 			@Override
 			protected boolean accept(Column pkColumn) {
 				return ! pkColumn.isPartOfForeignKey();
 			}
 		};
 	}

 	/**
 	 * return the columns that NEITHER part of the table's primary key
 	 * NOR part of any foreign key
 	 */
 	Iterable<Column> getNonPrimaryKeyBasicColumns() {
 		return new FilteringIterable<Column>(this.table.getColumns()) {
 			@Override
 			protected boolean accept(Column column) {
 				return ! (column.isPartOfPrimaryKey() || column.isPartOfForeignKey());
 			}
 		};
 	}

 	Table getTable() {
 		return this.table;
 	}

 	String getEntityName() {
 		return this.getEntityConfig().getEntityName(this.table);
 	}

 	boolean isJoinTable() {
 		return this.joinTableRelation != null;
 	}

 	void addOwnedManyToManyRelation(ManyToManyRelation relation) {
 		this.ownedManyToManyRelations.add(relation);
 	}

 	void removeOwnedManyToManyRelation(ManyToManyRelation relation) {
 		this.ownedManyToManyRelations.remove(relation);
 	}

 	void addNonOwnedManyToManyRelation(ManyToManyRelation relation) {
 		this.nonOwnedManyToManyRelations.add(relation);
 	}

 	void removeNonOwnedManyToManyRelation(ManyToManyRelation relation) {
 		this.nonOwnedManyToManyRelations.remove(relation);
 	}

 	void addOneToManyRelation(OneToManyRelation relation) {
 		this.oneToManyRelations.add(relation);
 	}

 	Iterator<ManyToOneRelation> manyToOneRelations() {
 		return this.manyToOneRelations.iterator();
 	}

 	Iterator<OneToManyRelation> oneToManyRelations() {
 		return this.oneToManyRelations.iterator();
 	}

 	Iterator<ManyToManyRelation> ownedManyToManyRelations() {
 		return this.ownedManyToManyRelations.iterator();
 	}

 	Iterator<ManyToManyRelation> nonOwnedManyToManyRelations() {
 		return this.nonOwnedManyToManyRelations.iterator();
 	}

 	/**
 	 * this will return null if we don't want an embedded id attribute
 	 */
 	String getAttributeNameForEmbeddedId() {
 		return this.attributeNameForEmbeddedId;
 	}

 	String getAttributeNameFor(Column column) {
 		return this.basicAttributeNames.get(column);
 	}

 	String getAttributeNameFor(ManyToOneRelation relation) {
 		return this.manyToOneAttributeNames.get(relation);
 	}

 	String getAttributeNameFor(OneToManyRelation relation) {
 		return this.oneToManyAttributeNames.get(relation);
 	}

 	String getAttributeNameForOwned(ManyToManyRelation relation) {
 		return this.ownedManyToManyAttributeNames.get(relation);
 	}

 	String getAttributeNameForNonOwned(ManyToManyRelation relation) {
 		return this.nonOwnedManyToManyAttributeNames.get(relation);
 	}

 	String getName() {
 		return this.table.getName();
 	}

 	boolean joinTableNameIsDefault() {
 		return this.table.joinTableNameIsDefault();
 	}


 	// ********** internal API **********

 	/**
 	 * if we are going to generate an EmbeddedId attribute, add its name to
 	 * 'attributeNames' so we don't collide with it later, when generating
 	 * attribute names for the columns etc.
 	 */
 	private void buildAttributeNameForEmbeddedId() {
 		if ((this.table.getPrimaryKeyColumnsSize() > 1) && this.getEntityConfig().generateEmbeddedIdForCompoundPK()) {
 			this.attributeNameForEmbeddedId = this.configureAttributeName(this.getEntityConfig().getEmbeddedIdAttributeName());
 		}
 	}

 	/**
 	 * While we are figuring out the names for the m:1 attributes, remove from the
 	 * specified set of columns the columns that are only part of the foreign keys
 	 * (leaving the remaining columns for basic attributes).
 	 * Store the calculated names so we can get them back later, when we
 	 * are generating source.
 	 */
 	private void buildManyToOneAttributeNames(Set<Column> columns) {
 		for (ManyToOneRelation relation : this.manyToOneRelations) {
 			CollectionTools.removeAll(columns, relation.getForeignKey().getNonPrimaryKeyBaseColumns());
 			CollectionTools.addAll(this.foreignKeyColumns, relation.getForeignKey().getBaseColumns());
 			String attributeName = this.configureAttributeName(relation.getAttributeName());
 			relation.setMappedBy(attributeName);
 			this.manyToOneAttributeNames.put(relation, attributeName);
 		}
 	}

 	/**
 	 * Build a unique attribute name for the specified "basic" columns,
 	 * checking for name collisions.
 	 * Store the calculated names so we can get them back later, when we
 	 * are generating source.
 	 */
 	private void buildBasicAttributeNames(Set<Column> columns) {
 		for (Column column : columns) {
 			String attributeName = this.configureAttributeName(column.getName());
 			this.basicAttributeNames.put(column, attributeName);
 		}
 	}

 	private void buildOneToManyAttributeNames() {
 		for (OneToManyRelation relation : this.oneToManyRelations) {
 			String attributeName = this.configureAttributeName(relation.getAttributeName());
 			this.oneToManyAttributeNames.put(relation, attributeName);
 		}
 	}

 	private void buildOwnedManyToManyAttributeNames() {
 		for (ManyToManyRelation relation : this.ownedManyToManyRelations) {
 			String attributeName = this.configureAttributeName(relation.getOwnedAttributeName());
 			relation.setMappedBy(attributeName);
 			this.ownedManyToManyAttributeNames.put(relation, attributeName);
 		}
 	}

 	private void buildNonOwnedManyToManyAttributeNames() {
 		for (ManyToManyRelation relation : this.nonOwnedManyToManyRelations) {
 			String attributeName = this.configureAttributeName(relation.getNonOwnedAttributeName());
 			this.nonOwnedManyToManyAttributeNames.put(relation, attributeName);
 		}
 	}

 	/**
 	 * Convert the specified attribute name to something unique for the entity,
 	 * converting it to something Java-like if the config flag is set.
 	 * Store the calculated name to prevent future name collisions.
 	 */
 	private String configureAttributeName(String attributeName) {
 		String result = attributeName;
 		if (this.getEntityConfig().convertToJavaStyleIdentifiers()) {
 			result = EntityGenTools.convertToUniqueJavaStyleAttributeName(result, this.attributeNames);
 		} else {
 			// first, convert the attribute name to a legal Java identifier
 			result = NameTools.convertToJavaIdentifier(result);
 			// then make sure it's unique
 			result = NameTools.uniqueNameForIgnoreCase(attributeName, this.attributeNames);
 		}
 		this.attributeNames.add(result);
 		return result;
 	}

 	@Override
 	public String toString() {
 		return StringTools.buildToStringFor(this, this.table);
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2006, 2010 Oracle. 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:
	* Oracle - initial API and implementation
	******************************************************************************/
	package org.eclipse.jpt.gen.internal.old;

	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.Iterator;
	import java.util.Set;

	import org.eclipse.jpt.db.Column;
	import org.eclipse.jpt.db.ForeignKey;
	import org.eclipse.jpt.db.Table;
	import org.eclipse.jpt.utility.internal.CollectionTools;
	import org.eclipse.jpt.utility.internal.NameTools;
	import org.eclipse.jpt.utility.internal.StringTools;
	import org.eclipse.jpt.utility.internal.iterables.FilteringIterable;

	/**
	* associate a table with the various relations that will be used when
	* generating the entity corresponding to the table
	*/
	class GenTable {
	private final GenScope scope;
	private final Table table;

	// these relations cannot be built until after we have built all the scope's tables
	private ManyToManyRelation joinTableRelation;
	private final ArrayList<ManyToManyRelation> ownedManyToManyRelations = new ArrayList<ManyToManyRelation>();
	private final ArrayList<ManyToManyRelation> nonOwnedManyToManyRelations = new ArrayList<ManyToManyRelation>();
	private final ArrayList<ManyToOneRelation> manyToOneRelations = new ArrayList<ManyToOneRelation>();
	private final ArrayList<OneToManyRelation> oneToManyRelations = new ArrayList<OneToManyRelation>();
	private final HashSet<Column> foreignKeyColumns = new HashSet<Column>();

	private final HashSet<String> attributeNames = new HashSet<String>();
	private String attributeNameForEmbeddedId;
	private final HashMap<Column, String> basicAttributeNames = new HashMap<Column, String>();
	private final HashMap<ManyToOneRelation, String> manyToOneAttributeNames = new HashMap<ManyToOneRelation, String>();
	private final HashMap<OneToManyRelation, String> oneToManyAttributeNames = new HashMap<OneToManyRelation, String>();
	private final HashMap<ManyToManyRelation, String> ownedManyToManyAttributeNames = new HashMap<ManyToManyRelation, String>();
	private final HashMap<ManyToManyRelation, String> nonOwnedManyToManyAttributeNames = new HashMap<ManyToManyRelation, String>();


	// ******** construction/initialization ********

	GenTable(GenScope scope, Table table) {
	super();
	this.scope = scope;
	this.table = table;
	}


	// ******** package API ********

	EntityGenerator.Config getEntityConfig() {
	return this.scope.getEntityConfig();
	}

	/**
	* examples:
	* GenTable(FOO) => "FOO_COLLECTION"
	* GenTable(foo) => "fooCollection"
	* GenTable(Foo) => "FooCollection"
	*/
	String getCollectionAttributeName() {
	String name = this.getName();
	String suffix = this.getEntityConfig().getCollectionAttributeNameSuffix();
	if (StringTools.stringIsUppercase(name)) { // hmmm ~bjv
	suffix = '_' + suffix.toUpperCase();
	}
	return name + suffix;
	}

	/**
	* determine whether the table is a "join" table within the table's scope;
	* this can be removed, later, if we find another table references the,
	* seemingly, join table
	* @see #clearJoinTableRelation() (and callers)
	*/
	void buildJoinTableRelation() {
	if ( ! this.table.isPossibleJoinTable()) {
	return; // the table must have exactly 2 foreign keys
	}
	ForeignKey owningFK = this.table.getJoinTableOwningForeignKey();
	GenTable owningGenTable = this.scope.getGenTable(owningFK.getReferencedTable());
	if (owningGenTable == null) {
	return; // both tables must be in the scope
	}
	ForeignKey nonOwningFK = this.table.getJoinTableNonOwningForeignKey();
	GenTable nonOwningGenTable = this.scope.getGenTable(nonOwningFK.getReferencedTable());
	if (nonOwningGenTable == null) {
	return; // both tables must be in the scope
	}
	this.joinTableRelation = new ManyToManyRelation(
	this,
	owningFK,
	owningGenTable,
	nonOwningFK,
	nonOwningGenTable
	);
	}

	/**
	* used by the scope to figure out whether "join" tables should be
	* converted to "entity" tables
	*/
	void addReferencedGenTablesTo(Set<GenTable> referencedTables) {
	for (ForeignKey fk : this.table.getForeignKeys()) {
	GenTable genTable = this.scope.getGenTable(fk.getReferencedTable());
	if (genTable != null) {
	referencedTables.add(genTable);
	}
	}
	}

	/**
	* the scope clears the join table relation if there are any references
	* to the join table from other tables in the scope
	*/
	void clearJoinTableRelation() {
	this.joinTableRelation.clear();
	this.joinTableRelation = null;
	}

	/**
	* find "in-scope" foreign keys
	*/
	void buildManyToOneRelations() {
	for (ForeignKey fk : this.table.getForeignKeys()) {
	GenTable referencedGenTable = this.scope.getGenTable(fk.getReferencedTable());
	if (referencedGenTable != null) {
	this.manyToOneRelations.add(new ManyToOneRelation(this, fk, referencedGenTable));
	}
	}
	}

	/**
	* now that all the relations are in place, we can configure the Java
	* attribute names
	*/
	void buildAttributeNames() {
	this.buildAttributeNameForEmbeddedId();

	// gather up all the table's columns...
	Set<Column> columns = CollectionTools.set(this.table.getColumns(), this.table.getColumnsSize());
	// ...remove the columns that belong exclusively to many-to-one foreign keys...
	this.buildManyToOneAttributeNames(columns);
	// ...and use the remaining columns to generate "basic" attribute names
	this.buildBasicAttributeNames(columns);

	this.buildOneToManyAttributeNames();
	this.buildOwnedManyToManyAttributeNames();
	this.buildNonOwnedManyToManyAttributeNames();
	}

	/**
	* return the columns that are part of the table's primary key
	* but are also part of an "in-scope" foreign key
	*/
	Iterable<Column> getReadOnlyPrimaryKeyColumns() {
	return new FilteringIterable<Column>(this.table.getPrimaryKeyColumns()) {
	@Override
	protected boolean accept(Column pkColumn) {
	return pkColumn.isPartOfForeignKey();
	}
	};
	}

	/**
	* return the columns that are part of the table's primary key
	* but are NOT part of any "in-scope" foreign key
	*/
	Iterable<Column> getWritablePrimaryKeyColumns() {
	return new FilteringIterable<Column>(this.table.getPrimaryKeyColumns()) {
	@Override
	protected boolean accept(Column pkColumn) {
	return ! pkColumn.isPartOfForeignKey();
	}
	};
	}

	/**
	* return the columns that NEITHER part of the table's primary key
	* NOR part of any foreign key
	*/
	Iterable<Column> getNonPrimaryKeyBasicColumns() {
	return new FilteringIterable<Column>(this.table.getColumns()) {
	@Override
	protected boolean accept(Column column) {
	return ! (column.isPartOfPrimaryKey() \|\| column.isPartOfForeignKey());
	}
	};
	}

	Table getTable() {
	return this.table;
	}

	String getEntityName() {
	return this.getEntityConfig().getEntityName(this.table);
	}

	boolean isJoinTable() {
	return this.joinTableRelation != null;
	}

	void addOwnedManyToManyRelation(ManyToManyRelation relation) {
	this.ownedManyToManyRelations.add(relation);
	}

	void removeOwnedManyToManyRelation(ManyToManyRelation relation) {
	this.ownedManyToManyRelations.remove(relation);
	}

	void addNonOwnedManyToManyRelation(ManyToManyRelation relation) {
	this.nonOwnedManyToManyRelations.add(relation);
	}

	void removeNonOwnedManyToManyRelation(ManyToManyRelation relation) {
	this.nonOwnedManyToManyRelations.remove(relation);
	}

	void addOneToManyRelation(OneToManyRelation relation) {
	this.oneToManyRelations.add(relation);
	}

	Iterator<ManyToOneRelation> manyToOneRelations() {
	return this.manyToOneRelations.iterator();
	}

	Iterator<OneToManyRelation> oneToManyRelations() {
	return this.oneToManyRelations.iterator();
	}

	Iterator<ManyToManyRelation> ownedManyToManyRelations() {
	return this.ownedManyToManyRelations.iterator();
	}

	Iterator<ManyToManyRelation> nonOwnedManyToManyRelations() {
	return this.nonOwnedManyToManyRelations.iterator();
	}

	/**
	* this will return null if we don't want an embedded id attribute
	*/
	String getAttributeNameForEmbeddedId() {
	return this.attributeNameForEmbeddedId;
	}

	String getAttributeNameFor(Column column) {
	return this.basicAttributeNames.get(column);
	}

	String getAttributeNameFor(ManyToOneRelation relation) {
	return this.manyToOneAttributeNames.get(relation);
	}

	String getAttributeNameFor(OneToManyRelation relation) {
	return this.oneToManyAttributeNames.get(relation);
	}

	String getAttributeNameForOwned(ManyToManyRelation relation) {
	return this.ownedManyToManyAttributeNames.get(relation);
	}

	String getAttributeNameForNonOwned(ManyToManyRelation relation) {
	return this.nonOwnedManyToManyAttributeNames.get(relation);
	}

	String getName() {
	return this.table.getName();
	}

	boolean joinTableNameIsDefault() {
	return this.table.joinTableNameIsDefault();
	}


	// ******** internal API ********

	/**
	* if we are going to generate an EmbeddedId attribute, add its name to
	* 'attributeNames' so we don't collide with it later, when generating
	* attribute names for the columns etc.
	*/
	private void buildAttributeNameForEmbeddedId() {
	if ((this.table.getPrimaryKeyColumnsSize() > 1) && this.getEntityConfig().generateEmbeddedIdForCompoundPK()) {
	this.attributeNameForEmbeddedId = this.configureAttributeName(this.getEntityConfig().getEmbeddedIdAttributeName());
	}
	}

	/**
	* While we are figuring out the names for the m:1 attributes, remove from the
	* specified set of columns the columns that are only part of the foreign keys
	* (leaving the remaining columns for basic attributes).
	* Store the calculated names so we can get them back later, when we
	* are generating source.
	*/
	private void buildManyToOneAttributeNames(Set<Column> columns) {
	for (ManyToOneRelation relation : this.manyToOneRelations) {
	CollectionTools.removeAll(columns, relation.getForeignKey().getNonPrimaryKeyBaseColumns());
	CollectionTools.addAll(this.foreignKeyColumns, relation.getForeignKey().getBaseColumns());
	String attributeName = this.configureAttributeName(relation.getAttributeName());
	relation.setMappedBy(attributeName);
	this.manyToOneAttributeNames.put(relation, attributeName);
	}
	}

	/**
	* Build a unique attribute name for the specified "basic" columns,
	* checking for name collisions.
	* Store the calculated names so we can get them back later, when we
	* are generating source.
	*/
	private void buildBasicAttributeNames(Set<Column> columns) {
	for (Column column : columns) {
	String attributeName = this.configureAttributeName(column.getName());
	this.basicAttributeNames.put(column, attributeName);
	}
	}

	private void buildOneToManyAttributeNames() {
	for (OneToManyRelation relation : this.oneToManyRelations) {
	String attributeName = this.configureAttributeName(relation.getAttributeName());
	this.oneToManyAttributeNames.put(relation, attributeName);
	}
	}

	private void buildOwnedManyToManyAttributeNames() {
	for (ManyToManyRelation relation : this.ownedManyToManyRelations) {
	String attributeName = this.configureAttributeName(relation.getOwnedAttributeName());
	relation.setMappedBy(attributeName);
	this.ownedManyToManyAttributeNames.put(relation, attributeName);
	}
	}

	private void buildNonOwnedManyToManyAttributeNames() {
	for (ManyToManyRelation relation : this.nonOwnedManyToManyRelations) {
	String attributeName = this.configureAttributeName(relation.getNonOwnedAttributeName());
	this.nonOwnedManyToManyAttributeNames.put(relation, attributeName);
	}
	}

	/**
	* Convert the specified attribute name to something unique for the entity,
	* converting it to something Java-like if the config flag is set.
	* Store the calculated name to prevent future name collisions.
	*/
	private String configureAttributeName(String attributeName) {
	String result = attributeName;
	if (this.getEntityConfig().convertToJavaStyleIdentifiers()) {
	result = EntityGenTools.convertToUniqueJavaStyleAttributeName(result, this.attributeNames);
	} else {
	// first, convert the attribute name to a legal Java identifier
	result = NameTools.convertToJavaIdentifier(result);
	// then make sure it's unique
	result = NameTools.uniqueNameForIgnoreCase(attributeName, this.attributeNames);
	}
	this.attributeNames.add(result);
	return result;
	}

	@Override
	public String toString() {
	return StringTools.buildToStringFor(this, this.table);
	}

	}