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/*******************************************************************************
* Copyright (c) 2007 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.core.internal.platform;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jpt.core.internal.IPersistentAttribute;
import org.eclipse.jpt.core.internal.content.java.mappings.JavaMultiRelationshipMapping;
import org.eclipse.jpt.core.internal.mappings.IEntity;
import org.eclipse.jpt.core.internal.mappings.IJoinColumn;
import org.eclipse.jpt.core.internal.mappings.IJoinTable;
import org.eclipse.jpt.core.internal.mappings.INonOwningMapping;
import org.eclipse.jpt.core.internal.mappings.ITable;
import org.eclipse.jpt.core.internal.validation.IJpaValidationMessages;
import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
public abstract class JavaMultiRelationshipMappingContext extends JavaRelationshipMappingContext
{
private JoinTableContext joinTableContext;
protected JavaMultiRelationshipMappingContext(
IContext parentContext, JavaMultiRelationshipMapping mapping) {
super(parentContext, mapping);
this.joinTableContext = new JoinTableContext(this, mapping.getJoinTable());
}
@Override
public void refreshDefaultsInternal(DefaultsContext defaultsContext) {
super.refreshDefaultsInternal(defaultsContext);
this.joinTableContext.refreshDefaults(defaultsContext);
}
@Override
protected Object getDefault(String key, DefaultsContext defaultsContext) {
if (key.equals(BaseJpaPlatform.DEFAULT_JOIN_TABLE_NAME_KEY)) {
return joinTableDefaultName(defaultsContext);
}
return super.getDefault(key, defaultsContext);
}
protected String joinTableDefaultName(DefaultsContext defaultsContext) {
IEntity entity = getMapping().getEntity();
if (entity == null) {
return null;
}
ITable owningTable = entity.getTable();
if (owningTable == null) {
return null;
}
IEntity targetEntity = targetEntity(defaultsContext);
if (targetEntity == null) {
return null;
}
ITable targetTable = targetEntity.getTable();
return (targetTable == null) ? null : owningTable.getName() + "_" + targetTable.getName();
}
protected JavaMultiRelationshipMapping getMapping() {
return (JavaMultiRelationshipMapping) super.getMapping();
}
public void addToMessages(List<IMessage> messages) {
super.addToMessages(messages);
JavaMultiRelationshipMapping mapping = getMapping();
if (getMapping().isJoinTableSpecified()) {
addJoinTableMessages(messages);
}
if (getMapping().getMappedBy() != null) {
addMappedByMessages(messages);
}
}
protected void addJoinTableMessages(List<IMessage> messages) {
JavaMultiRelationshipMapping mapping = getMapping();
IJoinTable joinTable = mapping.getJoinTable();
boolean doContinue = joinTable.isConnected();
String schema = joinTable.getSchema();
if (doContinue && ! joinTable.hasResolvedSchema()) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.JOIN_TABLE_UNRESOLVED_SCHEMA,
new String[] {schema, joinTable.getName()},
joinTable, joinTable.schemaTextRange())
);
doContinue = false;
}
if (doContinue && ! joinTable.isResolved()) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.JOIN_TABLE_UNRESOLVED_NAME,
new String[] {joinTable.getName()},
joinTable, joinTable.nameTextRange())
);
doContinue = false;
}
for (Iterator<IJoinColumn> stream = joinTable.getJoinColumns().iterator(); stream.hasNext(); ) {
IJoinColumn joinColumn = stream.next();
if (doContinue && ! joinColumn.isResolved()) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.JOIN_COLUMN_UNRESOLVED_NAME,
new String[] {joinColumn.getName()},
joinColumn, joinColumn.nameTextRange())
);
}
if (doContinue && ! joinColumn.isReferencedColumnResolved()) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.JOIN_COLUMN_REFERENCED_COLUMN_UNRESOLVED_NAME,
new String[] {joinColumn.getReferencedColumnName(), joinColumn.getName()},
joinColumn, joinColumn.referencedColumnNameTextRange())
);
}
}
for (Iterator<IJoinColumn> stream = joinTable.getInverseJoinColumns().iterator(); stream.hasNext(); ) {
IJoinColumn joinColumn = stream.next();
if (doContinue && ! joinColumn.isResolved()) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.JOIN_COLUMN_UNRESOLVED_NAME,
new String[] {joinColumn.getName()},
joinColumn, joinColumn.nameTextRange())
);
}
if (doContinue && ! joinColumn.isReferencedColumnResolved()) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.JOIN_COLUMN_REFERENCED_COLUMN_UNRESOLVED_NAME,
new String[] {joinColumn.getReferencedColumnName(), joinColumn.getName()},
joinColumn, joinColumn.referencedColumnNameTextRange())
);
}
}
}
protected void addMappedByMessages(List<IMessage> messages) {
JavaMultiRelationshipMapping mapping = getMapping();
String mappedBy = mapping.getMappedBy();
if (mapping.isJoinTableSpecified()) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.MAPPING_MAPPED_BY_WITH_JOIN_TABLE,
mapping.getJoinTable(), mapping.getJoinTable().validationTextRange())
);
}
IEntity targetEntity = mapping.getResolvedTargetEntity();
if (targetEntity == null) {
// already have validation messages for that
return;
}
IPersistentAttribute attribute = targetEntity.getPersistentType().resolveAttribute(mappedBy);
if (attribute == null) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.MAPPING_UNRESOLVED_MAPPED_BY,
new String[] {mappedBy},
mapping, mapping.mappedByTextRange())
);
return;
}
if (! mapping.mappedByIsValid(attribute.getMapping())) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.MAPPING_INVALID_MAPPED_BY,
new String[] {mappedBy},
mapping, mapping.mappedByTextRange())
);
return;
}
INonOwningMapping mappedByMapping;
try {
mappedByMapping = (INonOwningMapping) attribute.getMapping();
} catch (ClassCastException cce) {
// there is no error then
return;
}
if (mappedByMapping.getMappedBy() != null) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.MAPPING_MAPPED_BY_ON_BOTH_SIDES,
mapping, mapping.mappedByTextRange())
);
}
}
}
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