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/*******************************************************************************
* Copyright (c) 2007, 2009 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.context.java;
import java.util.Iterator;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.context.NamedColumn;
import org.eclipse.jpt.core.context.java.JavaJpaContextNode;
import org.eclipse.jpt.core.context.java.JavaNamedColumn;
import org.eclipse.jpt.core.resource.java.NamedColumnAnnotation;
import org.eclipse.jpt.core.utility.TextRange;
import org.eclipse.jpt.db.Column;
import org.eclipse.jpt.db.Table;
import org.eclipse.jpt.utility.Filter;
import org.eclipse.jpt.utility.internal.StringTools;
import org.eclipse.jpt.utility.internal.iterators.EmptyIterator;
import org.eclipse.jpt.utility.internal.iterators.FilteringIterator;
public abstract class AbstractJavaNamedColumn<T extends NamedColumnAnnotation> extends AbstractJavaJpaContextNode
implements JavaNamedColumn
{
protected Owner owner;
protected String specifiedName;
protected String defaultName;
protected String columnDefinition;
protected T resourceColumn;
protected AbstractJavaNamedColumn(JavaJpaContextNode parent, Owner owner) {
super(parent);
this.owner = owner;
}
// ******************* initialization from java resource model ********************
protected void initialize(T column) {
this.resourceColumn = column;
this.specifiedName = column.getName();
this.defaultName = this.buildDefaultName();
this.columnDefinition = column.getColumnDefinition();
}
protected void update(T column) {
this.resourceColumn = column;
this.setSpecifiedName_(column.getName());
this.setDefaultName(this.buildDefaultName());
this.setColumnDefinition_(column.getColumnDefinition());
}
protected T getResourceColumn() {
return this.resourceColumn;
}
//************** NamedColumn implementation *****************
public String getName() {
return (this.specifiedName != null) ? this.specifiedName : this.defaultName;
}
public String getSpecifiedName() {
return this.specifiedName;
}
public void setSpecifiedName(String newSpecifiedName) {
String oldSpecifiedName = this.specifiedName;
this.specifiedName = newSpecifiedName;
getResourceColumn().setName(newSpecifiedName);
firePropertyChanged(NamedColumn.SPECIFIED_NAME_PROPERTY, oldSpecifiedName, newSpecifiedName);
}
/**
* internal setter used only for updating from the resource model.
* There were problems with InvalidThreadAccess exceptions in the UI
* when you set a value from the UI and the annotation doesn't exist yet.
* Adding the annotation causes an update to occur and then the exception.
*/
protected void setSpecifiedName_(String newSpecifiedName) {
String oldSpecifiedName = this.specifiedName;
this.specifiedName = newSpecifiedName;
firePropertyChanged(NamedColumn.SPECIFIED_NAME_PROPERTY, oldSpecifiedName, newSpecifiedName);
}
public String getDefaultName() {
return this.defaultName;
}
protected void setDefaultName(String newDefaultName) {
String oldDefaultName = this.defaultName;
this.defaultName = newDefaultName;
firePropertyChanged(NamedColumn.DEFAULT_NAME_PROPERTY, oldDefaultName, newDefaultName);
}
/**
* Return the default column name.
*/
protected String buildDefaultName() {
return this.getOwner().getDefaultColumnName();
}
public String getColumnDefinition() {
return this.columnDefinition;
}
public void setColumnDefinition(String newColumnDefinition) {
String oldColumnDefinition = this.columnDefinition;
this.columnDefinition = newColumnDefinition;
getResourceColumn().setColumnDefinition(newColumnDefinition);
firePropertyChanged(NamedColumn.COLUMN_DEFINITION_PROPERTY, oldColumnDefinition, newColumnDefinition);
}
/**
* internal setter used only for updating from the resource model.
* There were problems with InvalidThreadAccess exceptions in the UI
* when you set a value from the UI and the annotation doesn't exist yet.
* Adding the annotation causes an update to occur and then the exception.
*/
protected void setColumnDefinition_(String newColumnDefinition) {
String oldColumnDefinition = this.columnDefinition;
this.columnDefinition = newColumnDefinition;
firePropertyChanged(NamedColumn.COLUMN_DEFINITION_PROPERTY, oldColumnDefinition, newColumnDefinition);
}
public Owner getOwner() {
return this.owner;
}
public TextRange getNameTextRange(CompilationUnit astRoot) {
TextRange textRange = this.getResourceColumn().getNameTextRange(astRoot);
return (textRange != null) ? textRange : this.getOwner().getValidationTextRange(astRoot);
}
public boolean nameTouches(int pos, CompilationUnit astRoot) {
return this.getResourceColumn().nameTouches(pos, astRoot);
}
public Column getDbColumn() {
Table table = this.getDbTable();
return (table == null) ? null : table.getColumnForIdentifier(this.getName());
}
public Table getDbTable() {
return getOwner().getDbTable(this.getTableName());
}
/**
* Return the name of the column's table.
*/
protected abstract String getTableName();
public boolean isResolved() {
return this.getDbColumn() != null;
}
@Override
public Iterator<String> connectedJavaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) {
Iterator<String> result = super.connectedJavaCompletionProposals(pos, filter, astRoot);
if (result != null) {
return result;
}
if (this.nameTouches(pos, astRoot)) {
return this.javaCandidateNames(filter);
}
return null;
}
private Iterator<String> javaCandidateNames(Filter<String> filter) {
return StringTools.convertToJavaStringLiterals(this.candidateNames(filter));
}
private Iterator<String> candidateNames(Filter<String> filter) {
return new FilteringIterator<String, String>(this.candidateNames(), filter);
}
private Iterator<String> candidateNames() {
Table dbTable = this.getDbTable();
return (dbTable != null) ? dbTable.sortedColumnIdentifiers() : EmptyIterator.<String> instance();
}
@Override
public void toString(StringBuilder sb) {
sb.append(this.getName());
}
}
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