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Cane is based on the coding behaviour analysis of data manipulation interface to allow coders are close
to their habit of thinking of ways to manipulate the data. API definition for Cane.
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/**
* Copyright 2013 CaneData.org
*
* Licensed 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.canedata.entity;
import java.util.Map;
import org.canedata.expression.Expression;
import org.canedata.field.Field;
/**
*
* Batch insert:
*
* e.batch()
* .put("f", v)
* .add()
* .put("f", v2)
* .add()
* .create();
*
*
*
*
*
* Batch update:
*
* e.batch()
* .put("f", v).put("f2", v2)
* .add()
* .put("f", v).put("f2", v2)
* .add(e.expr().equals("name", name))
* .put("f", v)
* .add(e.expr().equals("name", name1)
* .update();
*
*
*
*
*
*
* Batch delete:
*
* e.batch()
* .add(e.expr().equals("name", name))
* .add(e.expr().equals("age", 19))
* .delete();
*
*
*
* e.batch().add().delete();//WARNING: throw java.lang.IllegalAccessException.
*
*
*
*
*
*
*
* int changedRows = fields.getInt("_affected");
*
*
*
* @author Sun Yat-ton
* @version 1.00.000 2010-12-2 03:45:34
*/
public interface Batch {
/**
* @param field
* @param value
* @return Return self.
*/
public Batch put(String field, Object value);
/**
* @param values
* @return Return self.
*/
public Batch putAll(Map values);
/**
* @return Return new instance of BatchAction.
*/
public BatchAction add();
/**
* Applies to the update, and delete operations,
* the Parameter will be ignored when creating.
*
* @param expr
* @return
*/
public BatchAction add(Expression expr);
/**
* Clear all of the added item.
*
* @return Return self.
*/
public Batch clear();
public interface BatchAction extends Batch{
/**
* If use the method of {@link #add(org.canedata.expression.Expression)}, Expression will be ignored.
* @return
*/
public Field create();
/**
*
* @return
*/
public Field update();
/**
*
* @return
*/
public Field delete();
}
}