/*
 * Copyright 2002-2019 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
 *
 *      https://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
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package org.springframework.expression.spel.ast;

import org.springframework.expression.EvaluationException;
import org.springframework.expression.TypedValue;
import org.springframework.expression.spel.ExpressionState;

Represents assignment. An alternative to calling setValue for an expression which indicates an assign statement.

Example: 'someNumberProperty=42'

Author:Andy Clement
Since:3.0
/** * Represents assignment. An alternative to calling {@code setValue} * for an expression which indicates an assign statement. * * <p>Example: 'someNumberProperty=42' * * @author Andy Clement * @since 3.0 */
public class Assign extends SpelNodeImpl { public Assign(int startPos, int endPos, SpelNodeImpl... operands) { super(startPos, endPos, operands); } @Override public TypedValue getValueInternal(ExpressionState state) throws EvaluationException { TypedValue newValue = this.children[1].getValueInternal(state); getChild(0).setValue(state, newValue.getValue()); return newValue; } @Override public String toStringAST() { return getChild(0).toStringAST() + "=" + getChild(1).toStringAST(); } }