Skip to main content
summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.gen/src/org/eclipse/jpt/gen/internal/GenTable.java')
-rw-r--r--jpa/plugins/org.eclipse.jpt.gen/src/org/eclipse/jpt/gen/internal/GenTable.java343
1 files changed, 0 insertions, 343 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.gen/src/org/eclipse/jpt/gen/internal/GenTable.java b/jpa/plugins/org.eclipse.jpt.gen/src/org/eclipse/jpt/gen/internal/GenTable.java
deleted file mode 100644
index 2405ead083..0000000000
--- a/jpa/plugins/org.eclipse.jpt.gen/src/org/eclipse/jpt/gen/internal/GenTable.java
+++ /dev/null
@@ -1,343 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2006, 2008 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;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Map;
-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.iterators.FilteringIterator;
-
-/**
- * associate a table with the various relations that will be used when
- * generating the entity
- */
-class GenTable {
- private final GenScope scope;
- private final Table table;
- private final EntityGenerator.Config entityConfig;
- private final String entityName;
- private ManyToManyRelation joinTableRelation;
- private Collection<ManyToManyRelation> ownedManyToManyRelations = new ArrayList<ManyToManyRelation>();
- private Collection<ManyToManyRelation> nonOwnedManyToManyRelations = new ArrayList<ManyToManyRelation>();
- private Collection<ManyToOneRelation> manyToOneRelations = new ArrayList<ManyToOneRelation>();
- private Collection<OneToManyRelation> oneToManyRelations = new ArrayList<OneToManyRelation>();
- private Set<Column> foreignKeyColumns = new HashSet<Column>();
-
- // key=column/relation; value=name
- private final Map<Object, String> fieldNames = new HashMap<Object, String>();
-
- private static final Object EMBEDDED_ID_VIRTUAL_COLUMN = new Object();
-
-
- // ********** construction/initialization **********
-
- GenTable(GenScope scope, Table table, EntityGenerator.Config entityConfig, Collection<String> entityNames) {
- super();
- this.scope = scope;
- this.table = table;
- this.entityConfig = entityConfig;
- this.entityName = this.buildEntityName(entityNames);
- }
-
- private String buildEntityName(Collection<String> entityNames) {
- String name = this.table.getShortJavaClassName();
- String overrideEntityName = this.entityConfig.getOverrideEntityName(this.table);
- if (overrideEntityName == null) {
- if (this.entityConfig.convertToCamelCase()) {
- name = StringTools.convertUnderscoresToCamelCase(name);
- }
- } else {
- name = overrideEntityName;
- }
- name = NameTools.uniqueNameForIgnoreCase(name, entityNames);
- entityNames.add(name);
- return name;
- }
-
-
- // ********** package API **********
-
- /**
- * determine whether the table is a "join" table within the table's scope
- */
- void configureManyToManyRelations() {
- if (this.table.foreignKeysSize() != 2) {
- // the table must have exactly 2 foreign keys
- return;
- }
- for (Iterator<Column> stream = this.table.columns(); stream.hasNext(); ) {
- if ( ! this.table.foreignKeyBaseColumnsContains(stream.next())) {
- // all the table's columns must belong to one (or both) of the 2 foreign keys
- return;
- }
- }
- Iterator<ForeignKey> fKeys = this.table.foreignKeys();
- ForeignKey owningFK = fKeys.next();
- ForeignKey nonOwningFK = fKeys.next();
- GenTable owningTable = this.scope.genTable(owningFK.getReferencedTable());
- GenTable nonOwningTable = this.scope.genTable(nonOwningFK.getReferencedTable());
- if ((owningTable == null) || (nonOwningTable == null)) {
- // both tables must be in the scope
- return;
- }
- this.joinTableRelation = new ManyToManyRelation(this, owningFK, owningTable, nonOwningFK, nonOwningTable);
- }
-
- void addReferencedTablesTo(Set<GenTable> referencedTables) {
- for (Iterator<ForeignKey> stream = this.table.foreignKeys(); stream.hasNext(); ) {
- ForeignKey fk = stream.next();
- GenTable genTable = this.scope.genTable(fk.getReferencedTable());
- if (genTable != null) {
- referencedTables.add(genTable);
- }
- }
- }
-
- void clearJoinTableRelation() {
- this.joinTableRelation.clear();
- this.joinTableRelation = null;
- }
-
- /**
- * find "in-scope" foreign keys
- */
- void configureManyToOneRelations() {
- for (Iterator<ForeignKey> stream = this.table.foreignKeys(); stream.hasNext(); ) {
- ForeignKey fk = stream.next();
- GenTable referencedtable = this.scope.genTable(fk.getReferencedTable());
- if (referencedtable == null) {
- continue; // skip to next FK
- }
- this.manyToOneRelations.add(new ManyToOneRelation(this, fk, referencedtable));
- }
- }
-
- /**
- * now that all the relations are in place, we can configure the Java
- * field names
- */
- void configureFieldNames() {
- Set<Column> columns = CollectionTools.set(this.table.columns());
- if ((this.table.primaryKeyColumnsSize() > 1) && this.entityConfig.generateEmbeddedIdForCompoundPK()) {
- // if we are going to generate an EmbeddedId field, add it to
- // 'fieldNames' so we don't collide with it later, when generating
- // field names for the columns etc.
- this.configureFieldName(EMBEDDED_ID_VIRTUAL_COLUMN, "pk");
- }
- this.configureManyToOneFieldNames(columns);
- this.configureBasicFieldNames(columns);
- this.configureOneToManyFieldNames();
- this.configureOwnedManyToManyFieldNames();
- this.configureNonOwnedManyToManyFieldNames();
- }
-
- /**
- * return the columns that are part of the table's primary key
- * but are also part of an "in-scope" foreign key
- */
- Iterator<Column> readOnlyPrimaryKeyColumns() {
- return new FilteringIterator<Column, Column>(this.table.primaryKeyColumns()) {
- @Override
- protected boolean accept(Column column) {
- return GenTable.this.foreignKeyColumnsContains(column);
- }
- };
- }
-
- /**
- * return the columns that are part of the table's primary key
- * but are NOT part of any "in-scope" foreign key
- */
- Iterator<Column> writablePrimaryKeyColumns() {
- return new FilteringIterator<Column, Column>(this.table.primaryKeyColumns()) {
- @Override
- protected boolean accept(Column column) {
- return ! GenTable.this.foreignKeyColumnsContains(column);
- }
- };
- }
-
- /**
- * return the columns that NEITHER part of the table's primary key
- * NOR part of any foreign key
- */
- Iterator<Column> nonPrimaryKeyBasicColumns() {
- return new FilteringIterator<Column, Column>(this.table.columns()) {
- @Override
- protected boolean accept(Column column) {
- return ! (GenTable.this.primaryKeyColumnsContains(column)
- || GenTable.this.foreignKeyColumnsContains(column));
- }
- };
- }
-
- Table getTable() {
- return this.table;
- }
-
- String getEntityName() {
- return this.entityName;
- }
-
- 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);
- }
-
- String javaFieldName() {
- return this.table.getJavaFieldName();
- }
-
- 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();
- }
-
- /**
- * the key can be a column or relation
- */
- private String fieldNameForInternal(Object o) {
- return this.fieldNames.get(o);
- }
-
- /**
- * this will return null if we don't want an embedded id field
- */
- String fieldNameForEmbeddedId() {
- return this.fieldNameForInternal(EMBEDDED_ID_VIRTUAL_COLUMN);
- }
-
- String fieldNameFor(Column column) {
- return this.fieldNameForInternal(column);
- }
-
- String fieldNameFor(ManyToOneRelation relation) {
- return this.fieldNameForInternal(relation);
- }
-
- String fieldNameFor(OneToManyRelation relation) {
- return this.fieldNameForInternal(relation);
- }
-
- String fieldNameFor(ManyToManyRelation relation) {
- return this.fieldNameForInternal(relation);
- }
-
- String name() {
- return this.table.getName();
- }
-
-
- // ********** internal API **********
-
- /**
- * while we are figuring out the names for the m:1 fields, remove from the
- * specified set of columns the columns that are only part of the foreign keys
- */
- private void configureManyToOneFieldNames(Set<Column> columns) {
- for (ManyToOneRelation relation : this.manyToOneRelations) {
- CollectionTools.removeAll(columns, relation.getForeignKey().nonPrimaryKeyBaseColumns());
- CollectionTools.addAll(this.foreignKeyColumns, relation.getForeignKey().baseColumns());
- relation.setMappedBy(this.configureFieldName(relation, relation.javaFieldName()));
- }
- }
-
- private String configureFieldName(Object o, String fieldName) {
- fieldName = this.camelCase(fieldName);
- fieldName = NameTools.uniqueNameFor(fieldName, this.fieldNames.values());
- this.fieldNames.put(o, fieldName);
- return fieldName;
- }
-
- private String camelCase(String name) {
- return this.entityConfig.convertToCamelCase() ?
- StringTools.convertUnderscoresToCamelCase(name, false) // false = don't capitalize first letter
- :
- name;
- }
-
- /**
- * build a unique field name for the specified "basic" columns,
- * checking for name collisions
- */
- private void configureBasicFieldNames(Set<Column> columns) {
- for (Column column : columns) {
- this.configureFieldName(column, column.getJavaFieldName());
- }
- }
-
- private void configureOneToManyFieldNames() {
- for (OneToManyRelation relation : this.oneToManyRelations) {
- this.configureFieldName(relation, relation.javaFieldName());
- }
- }
-
- private void configureOwnedManyToManyFieldNames() {
- for (ManyToManyRelation relation : this.ownedManyToManyRelations) {
- relation.setMappedBy(this.configureFieldName(relation, relation.javaFieldNameFor(this)));
- }
- }
-
- private void configureNonOwnedManyToManyFieldNames() {
- for (ManyToManyRelation relation : this.nonOwnedManyToManyRelations) {
- this.configureFieldName(relation, relation.javaFieldNameFor(this));
- }
- }
-
- boolean foreignKeyColumnsContains(Column column) {
- return this.foreignKeyColumns.contains(column);
- }
-
- boolean primaryKeyColumnsContains(Column column) {
- return this.table.primaryKeyColumnsContains(column);
- }
-
-}

Back to the top