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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
*
* 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
* limitations under the License.
*/
package org.apache.spark.sql.catalyst.expressions;
/**
* Expression information, will be used to describe a expression.
*/
public class ExpressionInfo {
private String className;
private String usage;
private String name;
private String extended;
private String db;
private String arguments;
private String examples;
private String note;
private String since;
public String getClassName() {
return className;
}
public String getUsage() {
return usage;
}
public String getName() {
return name;
}
public String getExtended() {
return extended;
}
public String getSince() {
return since;
}
public String getArguments() {
return arguments;
}
public String getExamples() {
return examples;
}
public String getNote() {
return note;
}
public String getDb() {
return db;
}
public ExpressionInfo(
String className,
String db,
String name,
String usage,
String arguments,
String examples,
String note,
String since) {
assert name != null;
assert arguments != null;
assert examples != null;
assert examples.isEmpty() || examples.contains(" Examples:");
assert note != null;
assert since != null;
this.className = className;
this.db = db;
this.name = name;
this.usage = usage;
this.arguments = arguments;
this.examples = examples;
this.note = note;
this.since = since;
// Make the extended description.
this.extended = arguments + examples;
if (this.extended.isEmpty()) {
this.extended = "\n No example/argument for _FUNC_.\n";
}
if (!note.isEmpty()) {
this.extended += "\n Note:\n " + note.trim() + "\n";
}
if (!since.isEmpty()) {
this.extended += "\n Since: " + since + "\n";
}
}
public ExpressionInfo(String className, String name) {
this(className, null, name, null, "", "", "", "");
}
public ExpressionInfo(String className, String db, String name) {
this(className, db, name, null, "", "", "", "");
}
// This is to keep the original constructor just in case.
public ExpressionInfo(String className, String db, String name, String usage, String extended) {
// `arguments` and `examples` are concatenated for the extended description. So, here
// simply pass the `extended` as `arguments` and an empty string for `examples`.
this(className, db, name, usage, extended, "", "", "");
}
}