/*******************************************************************************
* Copyright 2013 SAP AG
*
* 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.sap.core.odata.core.uri.expression;
import com.sap.core.odata.api.edm.EdmType;
import com.sap.core.odata.api.exception.ODataApplicationException;
import com.sap.core.odata.api.uri.expression.CommonExpression;
import com.sap.core.odata.api.uri.expression.ExceptionVisitExpression;
import com.sap.core.odata.api.uri.expression.ExpressionKind;
import com.sap.core.odata.api.uri.expression.ExpressionVisitor;
import com.sap.core.odata.api.uri.expression.UnaryExpression;
import com.sap.core.odata.api.uri.expression.UnaryOperator;
/**
* @author SAP AG
*/
public class UnaryExpressionImpl implements UnaryExpression {
private InfoUnaryOperator operatorInfo = null;
private CommonExpression operand = null;
private EdmType edmType = null;
public UnaryExpressionImpl(final InfoUnaryOperator operatorInfo, final CommonExpression operand) {
this.operatorInfo = operatorInfo;
this.operand = operand;
}
@Override
public ExpressionKind getKind() {
return ExpressionKind.UNARY;
}
@Override
public UnaryOperator getOperator() {
return operatorInfo.operator;
}
@Override
public CommonExpression getOperand() {
return operand;
}
@Override
public EdmType getEdmType() {
return edmType;
}
@Override
public CommonExpression setEdmType(final EdmType edmType) {
this.edmType = edmType;
return this;
}
@Override
public String getUriLiteral() {
return operatorInfo.getSyntax();
}
@Override
public Object accept(final ExpressionVisitor visitor) throws ExceptionVisitExpression, ODataApplicationException {
Object retOperand = operand.accept(visitor);
return visitor.visitUnary(this, operatorInfo.getOperator(), retOperand);
}
}