org.apache.ibatis.mapping.Discriminator Maven / Gradle / Ivy
/**
* Copyright 2009-2015 the original author or authors.
*
* 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.apache.ibatis.mapping;
import java.util.Collections;
import java.util.Map;
import org.apache.ibatis.session.Configuration;
/**
* @author Clinton Begin
*/
public class Discriminator {
private ResultMapping resultMapping;
private Map discriminatorMap;
Discriminator() {
}
public static class Builder {
private Discriminator discriminator = new Discriminator();
public Builder(Configuration configuration, ResultMapping resultMapping, Map discriminatorMap) {
discriminator.resultMapping = resultMapping;
discriminator.discriminatorMap = discriminatorMap;
}
public Discriminator build() {
assert discriminator.resultMapping != null;
assert discriminator.discriminatorMap != null;
assert !discriminator.discriminatorMap.isEmpty();
//lock down map
discriminator.discriminatorMap = Collections.unmodifiableMap(discriminator.discriminatorMap);
return discriminator;
}
}
public ResultMapping getResultMapping() {
return resultMapping;
}
public Map getDiscriminatorMap() {
return discriminatorMap;
}
public String getMapIdFor(String s) {
return discriminatorMap.get(s);
}
}