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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;
/**
* A condition contains one or two operands and a compare operation.
*
* @param <A>
* the operand type
*/
class Condition<A> implements Token {
CompareType compareType;
A x, y, z;
Condition(A x, A y, CompareType compareType) {
this(x, y, null, compareType);
}
Condition(A x, A y, A z, CompareType compareType) {
this.compareType = compareType;
this.x = x;
this.y = y;
this.z = z;
}
public <T> void appendSQL(SQLStatement stat, Query<T> query) {
query.appendSQL(stat, null, x);
stat.appendSQL(" ");
stat.appendSQL(compareType.getString());
if (compareType.hasRightExpression()) {
stat.appendSQL(" ");
if (z == null) {
query.appendSQL(stat, x, y);
} else {
query.appendSQL(stat, x, y, z, compareType);
}
}
}
}
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