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/**
* Copyright (c) 2008-2014, http://www.snakeyaml.org
*
* 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
*
* 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.yaml.snakeyaml.events;
import org.yaml.snakeyaml.error.Mark;
/**
* Basic unit of output from a {@link org.yaml.snakeyaml.parser.Parser} or input
* of a {@link org.yaml.snakeyaml.emitter.Emitter}.
*/
public abstract class Event {
public enum ID {
Alias, DocumentEnd, DocumentStart, MappingEnd, MappingStart, Scalar, SequenceEnd, SequenceStart, StreamEnd, StreamStart
}
private final Mark startMark;
private final Mark endMark;
public Event(Mark startMark, Mark endMark) {
this.startMark = startMark;
this.endMark = endMark;
}
public String toString() {
return "<" + this.getClass().getName() + "(" + getArguments() + ")>";
}
public Mark getStartMark() {
return startMark;
}
public Mark getEndMark() {
return endMark;
}
/**
* @see "__repr__ for Event in PyYAML"
*/
protected String getArguments() {
return "";
}
public abstract boolean is(Event.ID id);
/*
* for tests only
*/
@Override
public boolean equals(Object obj) {
if (obj instanceof Event) {
return toString().equals(obj.toString());
} else {
return false;
}
}
/*
* for tests only
*/
@Override
public int hashCode() {
return toString().hashCode();
}
}
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