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/*
* Copyright 2004-2011 H2 Group.
* Copyright 2011 James Moger.
*
* 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 com.iciql;
/**
* This class represents a query with a join.
*/
public class QueryJoin<T> {
private Query<T> query;
private SelectTable<T> join;
QueryJoin(Query<T> query, SelectTable<T> join) {
this.query = query;
this.join = join;
}
public QueryJoinCondition<T, Boolean> on(boolean x) {
query.getFrom().getAliasDefinition().checkMultipleBooleans();
return addPrimitive(x);
}
public QueryJoinCondition<T, Byte> on(byte x) {
return addPrimitive(x);
}
public QueryJoinCondition<T, Short> on(short x) {
return addPrimitive(x);
}
public QueryJoinCondition<T, Integer> on(int x) {
return addPrimitive(x);
}
public QueryJoinCondition<T, Long> on(long x) {
return addPrimitive(x);
}
public QueryJoinCondition<T, Float> on(float x) {
return addPrimitive(x);
}
public QueryJoinCondition<T, Double> on(double x) {
return addPrimitive(x);
}
private <A> QueryJoinCondition<T, A> addPrimitive(A x) {
A alias = query.getPrimitiveAliasByValue(x);
if (alias == null) {
// this will result in an unmapped field exception
return new QueryJoinCondition<T, A>(query, join, x);
}
return new QueryJoinCondition<T, A>(query, join, alias);
}
public <A> QueryJoinCondition<T, A> on(A x) {
return new QueryJoinCondition<T, A>(query, join, x);
}
}
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