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BindMode.java
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BindMode.java
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/**
* @project RoboMVVM
* @project RoboMVVM(https://github.com/debdattabasu/RoboMVVM)
* @author Debdatta Basu
*
* @license 3-clause BSD license(http:https://opensource.org/licenses/BSD-3-Clause).
* Copyright (c) 2014, Debdatta Basu. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that
* the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.dbasu.robomvvm.binding;
/**
* Specifies the direction of a {@link org.dbasu.robomvvm.binding.Binding}.
*/
public enum BindMode {
/**
* Makes a one-way binding where the target property is set whenever the source property changes.
*/
SOURCE_TO_TARGET(true, false),
/**
* Makes a one-way binding where the source property is set whenever the target property changes.
*/
TARGET_TO_SOURCE(false, true),
/**
* Makes a two-way binding that keeps the source property and target property in complete sync.
*/
BIDIRECTIONAL(true, true);
/**
* Returns whether this bind mode can bind the source property to the target property.
* @return
* Returns true for {@link #SOURCE_TO_TARGET} and {@link #BIDIRECTIONAL}.
*/
public boolean canBindSourceToTarget() {
return sourceToTarget;
}
/**
* Returns whether this bind mode can bind the target property to the source property.
* @return
* Returns true for {@link #TARGET_TO_SOURCE} and {@link #BIDIRECTIONAL}.
*/
public boolean canBindTargetToSource() {
return targetToSource;
}
private boolean sourceToTarget, targetToSource;
BindMode(boolean sourceToTarget, boolean targetToSource) {
this.sourceToTarget = sourceToTarget;
this.targetToSource = targetToSource;
}
}