/*
* Copyright 2004-2007 Brian McCallister
*
* 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.skife.jdbi.v2;
import org.skife.jdbi.v2.tweak.Argument;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Represents the arguments bound to a particular statement
*/
public class Binding
{
private Map<Integer, Argument> positionals = new HashMap<Integer, Argument>();
private Map<String, Argument> named = new HashMap<String, Argument>();
private List<LazyArguments> lazyArguments = new ArrayList<LazyArguments>();
void addPositional(int position, Argument parameter)
{
positionals.put(position, parameter);
}
/**
* Look up an argument by name
*
* @param name the key to lookup the value of
* @return the bound Argument
*/
public Argument forName(String name)
{
if (named.containsKey(name))
{
return named.get(name);
}
else
{
for (LazyArguments arguments : lazyArguments)
{
Argument arg = arguments.find(name);
if (arg != null)
{
return arg;
}
}
}
return null;
}
/**
* Look up an argument by position
* @param position starts at 0, not 1
* @return arfument bound to that position
*/
public Argument forPosition(int position)
{
return positionals.get(position);
}
void addNamed(String name, Argument argument)
{
this.named.put(name, argument);
}
void addLazyNamedArguments(LazyArguments args)
{
lazyArguments.add(args);
}
}