/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.metamodel.pojo;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.metamodel.util.SimpleTableDef;
/**
* {@link TableDataProvider} based on an {@link Collection} (for instance a
* {@link List}) of object arrays.
*/
public class ArrayTableDataProvider implements TableDataProvider<Object[]> {
private static final long serialVersionUID = 1L;
private final SimpleTableDef _tableDef;
private final Collection<Object[]> _arrays;
public ArrayTableDataProvider(SimpleTableDef tableDef, Collection<Object[]> arrays) {
_tableDef = tableDef;
_arrays = arrays;
}
@Override
public String getName() {
return getTableDef().getName();
}
@Override
public Iterator<Object[]> iterator() {
return _arrays.iterator();
}
@Override
public SimpleTableDef getTableDef() {
return _tableDef;
}
@Override
public Object getValue(String columnName, Object[] record) {
int index = _tableDef.indexOf(columnName);
return record[index];
}
@Override
public void insert(Map<String, Object> recordData) {
String[] columnNames = _tableDef.getColumnNames();
Object[] record = new Object[columnNames.length];
for (int i = 0; i < record.length; i++) {
record[i] = recordData.get(columnNames[i]);
}
_arrays.add(record);
}
}