/*

* Copyright (C) 2004-2017, GoodData(R) Corporation. All rights reserved.

* This source code is licensed under the BSD-style license found in the

* LICENSE.txt file in the root directory of this source tree.

*/

package com.gooddata.md.report;

import com.fasterxml.jackson.annotation.JsonCreator;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;

import com.fasterxml.jackson.annotation.JsonInclude;

import com.fasterxml.jackson.annotation.JsonProperty;

import com.gooddata.util.GoodDataToStringBuilder;

import java.io.Serializable;

import static com.gooddata.util.Validate.notEmpty;

/**

* Filter (in report definition)

*/

@JsonIgnoreProperties(ignoreUnknown = true)

@JsonInclude(JsonInclude.Include.NON_NULL)

public class Filter implements Serializable {

private static final long serialVersionUID = 5776136459952322123L;

private final String expression;

@JsonCreator

public Filter(@JsonProperty("expression") final String expression) {

this.expression = notEmpty(expression, "expression");

}

public String getExpression() {

return expression;

}

@Override

public String toString() {

return GoodDataToStringBuilder.defaultToString(this);

}

}