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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 join and an incomplete condition.
*
* @param <A> the incomplete condition data type
*/
public class QueryJoinCondition<T, A> {
private Query<T> query;
private SelectTable<T> join;
private A x;
QueryJoinCondition(Query<T> query, SelectTable<T> join, A x) {
this.query = query;
this.join = join;
this.x = x;
}
public Query<T> is(boolean y) {
return addPrimitive(y);
}
public Query<T> is(byte y) {
return addPrimitive(y);
}
public Query<T> is(short y) {
return addPrimitive(y);
}
public Query<T> is(int y) {
return addPrimitive(y);
}
public Query<T> is(long y) {
return addPrimitive(y);
}
public Query<T> is(float y) {
return addPrimitive(y);
}
public Query<T> is(double y) {
return addPrimitive(y);
}
@SuppressWarnings("unchecked")
private Query<T> addPrimitive(Object o) {
A alias = query.getPrimitiveAliasByValue((A) o);
if (alias == null) {
join.addConditionToken(new Condition<A>(x, (A) o, CompareType.EQUAL));
} else {
join.addConditionToken(new Condition<A>(x, alias, CompareType.EQUAL));
}
return query;
}
public Query<T> is(A y) {
join.addConditionToken(new Condition<A>(x, y, CompareType.EQUAL));
return query;
}
}
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