org.activiti.engine.impl.cfg.DelegateExpressionFieldInjectionMode Maven / Gradle / Ivy
/* 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
*
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* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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*/
package org.activiti.engine.impl.cfg;
import org.activiti.engine.delegate.DelegateHelper;
public enum DelegateExpressionFieldInjectionMode {
/**
* This is the pre version 5.21 mode: field expressions are allowed and the
* only way to inject values.
*
* Using the
* {@link DelegateHelper#getField(org.activiti.engine.delegate.DelegateExecution, String)}
* method is not possible when using this mode, unless the Expressions are still defined
* as members of the delegate (otherwise an exception will be thrown). In that case, they
* should not be used, but rather the DelegateHelper methods should be used.
*/
COMPATIBILITY,
/**
* Allows injection when using delegateExpressions but will not throw an exception
* when the fields are not defined on the delegate. This allows for mixed behaviours
* where some delegates have injection (for example because they are not singletons)
* and some don't.
*/
MIXED,
/**
* (Advised mode, as it is the safest)
*
* Disables field injection when using delegateExpressions, no field injection will happen.
*/
DISABLED
}