Example usage for com.amazonaws.services.dynamodbv2.xspec ExpressionSpecBuilder remove

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.xspec ExpressionSpecBuilder remove.

Prototype

public static RemoveAction remove(String path) 

Source Link

Document

Returns a RemoveAction for removing the attribute with the specified path from an item; used for building update expression.

Usage

From source file:com.github.fge.jsonpatch.MoveOperation.java

License:LGPL

@Override
public void applyToBuilder(ExpressionSpecBuilder builder) {
    String removePath = pathGenerator.apply(from);
    String setPath = pathGenerator.apply(path);
    //remove the attribute in the from location
    builder.addUpdate(ExpressionSpecBuilder.remove(removePath));
    //set the attribute in the path location
    builder.addUpdate(new PathSetAction(ExpressionSpecBuilder.attribute(setPath),
            ExpressionSpecBuilder.attribute(removePath)));
}

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From source file:com.github.fge.jsonpatch.RemoveOperation.java

License:LGPL

@Override
public void applyToBuilder(ExpressionSpecBuilder builder) {
    String attributePath = pathGenerator.apply(path);
    builder.addUpdate(ExpressionSpecBuilder.remove(attributePath));
    //because it is an error to remove a path that does not exist
    //add an attribute_exists() condition
    builder.withCondition(ExpressionSpecBuilder.attribute_exists(pathGenerator.apply(path)));
}

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