/*
* JBoss DNA (http://www.jboss.org/dna)
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
* See the AUTHORS.txt file in the distribution for a full listing of
* individual contributors.
*
* JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA
* is licensed to you under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* JBoss DNA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.dna.graph.query.validate;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import net.jcip.annotations.Immutable;
import org.jboss.dna.graph.query.model.SelectorName;
import org.jboss.dna.graph.query.validate.Schemata.Column;
import org.jboss.dna.graph.query.validate.Schemata.Key;
import org.jboss.dna.graph.query.validate.Schemata.Table;
@Immutable
class ImmutableTable implements Table {
private final SelectorName name;
private final Map<String, Column> columnsByName;
private final List<Column> columns;
private final Set<Key> keys;
protected ImmutableTable( SelectorName name,
Iterable<Column> columns ) {
this(name, columns, (Iterable<Column>[])null);
}
protected ImmutableTable( SelectorName name,
Iterable<Column> columns,
Iterable<Column>... keyColumns ) {
this.name = name;
// Define the columns ...
List<Column> columnList = new LinkedList<Column>();
Map<String, Column> columnMap = new HashMap<String, Column>();
for (Column column : columns) {
Column old = columnMap.put(column.getName(), column);
if (old != null) {
columnList.set(columnList.indexOf(old), column);
} else {
columnList.add(column);
}
}
this.columnsByName = Collections.unmodifiableMap(columnMap);
this.columns = Collections.unmodifiableList(columnList);
// Define the keys ...
if (keyColumns != null) {
Set<Key> keys = new HashSet<Key>();
for (Iterable<Column> keyColumnSet : keyColumns) {
if (keyColumnSet != null) {
Key key = new ImmutableKey(keyColumnSet);
keys.add(key);
}
}
this.keys = Collections.unmodifiableSet(keys);
} else {
this.keys = Collections.emptySet();
}
}
protected ImmutableTable( SelectorName name,
Map<String, Column> columnsByName,
List<Column> columns,
Set<Key> keys ) {
this.name = name;
this.columns = columns;
this.columnsByName = columnsByName;
this.keys = keys;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.query.validate.Schemata.Table#getName()
*/
public SelectorName getName() {
return name;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.query.validate.Schemata.Table#getColumn(java.lang.String)
*/
public Column getColumn( String name ) {
return columnsByName.get(name);
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.query.validate.Schemata.Table#getColumns()
*/
public List<Column> getColumns() {
return columns;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.query.validate.Schemata.Table#getColumnsByName()
*/
public Map<String, Column> getColumnsByName() {
return columnsByName;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.query.validate.Schemata.Table#getKeys()
*/
public Collection<Key> getKeys() {
return keys;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.query.validate.Schemata.Table#getKey(org.jboss.dna.graph.query.validate.Schemata.Column[])
*/
public Key getKey( Column... columns ) {
for (Key key : keys) {
if (key.hasColumns(columns)) return key;
}
return null;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.query.validate.Schemata.Table#getKey(java.lang.Iterable)
*/
public Key getKey( Iterable<Column> columns ) {
for (Key key : keys) {
if (key.hasColumns(columns)) return key;
}
return null;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.query.validate.Schemata.Table#hasKey(org.jboss.dna.graph.query.validate.Schemata.Column[])
*/
public boolean hasKey( Column... columns ) {
return getKey(columns) != null;
}
/**
* {@inheritDoc}
*
* @see org.jboss.dna.graph.query.validate.Schemata.Table#hasKey(java.lang.Iterable)
*/
public boolean hasKey( Iterable<Column> columns ) {
return getKey(columns) != null;
}
public ImmutableTable withColumn( String name,
String type ) {
List<Column> newColumns = new LinkedList<Column>(columns);
newColumns.add(new ImmutableColumn(name, type));
return new ImmutableTable(getName(), newColumns);
}
public ImmutableTable withColumn( String name,
String type,
boolean fullTextSearchable ) {
List<Column> newColumns = new LinkedList<Column>(columns);
newColumns.add(new ImmutableColumn(name, type, fullTextSearchable));
return new ImmutableTable(getName(), newColumns);
}
public ImmutableTable withColumns( Iterable<Column> columns ) {
List<Column> newColumns = new LinkedList<Column>(this.getColumns());
for (Column column : columns) {
newColumns.add(new ImmutableColumn(column.getName(), column.getPropertyType(), column.isFullTextSearchable()));
}
return new ImmutableTable(getName(), newColumns);
}
public ImmutableTable with( SelectorName name ) {
return new ImmutableTable(name, columnsByName, columns, keys);
}
public ImmutableTable withKey( Iterable<Column> keyColumns ) {
Set<Key> keys = new HashSet<Key>(this.keys);
for (Column keyColumn : keyColumns) {
assert columns.contains(keyColumn);
}
if (!keys.add(new ImmutableKey(keyColumns))) return this;
return new ImmutableTable(name, columnsByName, columns, keys);
}
public ImmutableTable withKey( Column... keyColumns ) {
return withKey(Arrays.asList(keyColumns));
}
/**
* {@inheritDoc}
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder(name.getName());
sb.append('(');
boolean first = true;
for (Column column : columns) {
if (first) first = false;
else sb.append(", ");
sb.append(column);
}
sb.append(')');
if (!keys.isEmpty()) {
sb.append(" with keys ");
first = true;
for (Key key : keys) {
if (first) first = false;
else sb.append(", ");
sb.append(key);
}
}
return sb.toString();
}
}