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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.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.jpt.core.internal.IPersistentType;
import org.eclipse.jpt.core.internal.content.orm.XmlRelationshipMapping;
import org.eclipse.jpt.core.internal.mappings.IJoinColumn;
import org.eclipse.jpt.core.internal.mappings.IJoinTable;
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 class JoinTableContext extends BaseContext
{
private IJoinTable table;
private Collection<JoinColumnContext> joinColumnContexts;
private Collection<JoinColumnContext> inverseJoinColumnContexts;
public JoinTableContext(IContext parentContext, IJoinTable table) {
super(parentContext);
this.table = table;
this.joinColumnContexts = buildJoinColumnContexts();
this.inverseJoinColumnContexts = buildInverseJoinColumnContexts();
}
@Override
protected void initialize() {}
protected Collection<JoinColumnContext> buildJoinColumnContexts() {
Collection<JoinColumnContext> contexts = new ArrayList<JoinColumnContext>();
for (IJoinColumn joinColumn : this.table.getJoinColumns() ) {
contexts.add(new JoinColumnContext(this, joinColumn));
}
return contexts;
}
protected Collection<JoinColumnContext> buildInverseJoinColumnContexts() {
Collection<JoinColumnContext> contexts = new ArrayList<JoinColumnContext>();
for (IJoinColumn joinColumn : this.table.getInverseJoinColumns() ) {
contexts.add(new JoinColumnContext(this, joinColumn));
}
return contexts;
}
public IJoinTable getTable() {
return this.table;
}
public void refreshDefaults(DefaultsContext defaultsContext) {
this.table.refreshDefaults(defaultsContext);
DefaultsContext joinColumnsDefaultsContext = wrapDefaultsContextForJoinColumn(defaultsContext);
for (JoinColumnContext context : this.joinColumnContexts) {
context.refreshDefaults(joinColumnsDefaultsContext);
}
DefaultsContext inverseJoinColumnsDefaultsContext = wrapDefaultsContextForInverseJoinColumn(defaultsContext);
for (JoinColumnContext context : this.inverseJoinColumnContexts) {
context.refreshDefaults(inverseJoinColumnsDefaultsContext);
}
}
protected DefaultsContext wrapDefaultsContextForJoinColumn(final DefaultsContext defaultsContext) {
return new DefaultsContext() {
public Object getDefault(String key) {
/**
* by default, the join column is, obviously, in the join table;
* not sure whether it can be anywhere else...
*/
if (key.equals(BaseJpaPlatform.DEFAULT_JOIN_COLUMN_TABLE_KEY)) {
return getTable().getName();
}
return defaultsContext.getDefault(key);
}
public IPersistentType persistentType(String fullyQualifiedTypeName) {
return defaultsContext.persistentType(fullyQualifiedTypeName);
}
};
}
protected DefaultsContext wrapDefaultsContextForInverseJoinColumn(final DefaultsContext defaultsContext) {
return new DefaultsContext() {
public Object getDefault(String key) {
if (key.equals(BaseJpaPlatform.DEFAULT_JOIN_COLUMN_TABLE_KEY)) {
return getTable().getName();
}
return defaultsContext.getDefault(key);
}
public IPersistentType persistentType(String fullyQualifiedTypeName) {
return defaultsContext.persistentType(fullyQualifiedTypeName);
}
};
}
/** used internally as a mechanism to short circuit continued message adding */
private boolean doContinue;
@Override
public void addToMessages(List<IMessage> messages) {
super.addToMessages(messages);
addTableMessages(messages);
if (doContinue) {
for (JoinColumnContext context : joinColumnContexts) {
context.addToMessages(messages);
}
for (JoinColumnContext context : inverseJoinColumnContexts) {
context.addToMessages(messages);
}
}
}
protected void addTableMessages(List<IMessage> messages) {
doContinue = table.isConnected();
String schema = table.getSchema();
XmlRelationshipMapping mapping = (XmlRelationshipMapping) table.relationshipMapping();
if (doContinue && ! table.hasResolvedSchema()) {
if (mapping.isVirtual()) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.VIRTUAL_ATTRIBUTE_JOIN_TABLE_UNRESOLVED_SCHEMA,
new String[] {mapping.getPersistentAttribute().getName(), schema, table.getName()},
table, table.getSchemaTextRange())
);
}
else {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.JOIN_TABLE_UNRESOLVED_SCHEMA,
new String[] {schema, table.getName()},
table, table.getSchemaTextRange())
);
}
doContinue = false;
}
if (doContinue && ! table.isResolved()) {
if (mapping.isVirtual()) {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.VIRTUAL_ATTRIBUTE_JOIN_TABLE_UNRESOLVED_NAME,
new String[] {mapping.getPersistentAttribute().getName(), table.getName()},
table, table.getNameTextRange())
);
}
else {
messages.add(
JpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
IJpaValidationMessages.JOIN_TABLE_UNRESOLVED_NAME,
new String[] {table.getName()},
table, table.getNameTextRange())
);
}
}
}
}
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