io.trino.likematcher.Pattern Maven / Gradle / Ivy
/*
* 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 io.trino.likematcher;
import static com.google.common.base.Preconditions.checkArgument;
sealed interface Pattern
permits Pattern.Any, Pattern.Literal, Pattern.ZeroOrMore
{
record Literal(String value)
implements Pattern
{
@Override
public String toString()
{
return value;
}
}
record ZeroOrMore()
implements Pattern
{
@Override
public String toString()
{
return "%";
}
}
record Any(int length)
implements Pattern
{
public Any
{
checkArgument(length > 0, "Length must be > 0");
}
@Override
public String toString()
{
return "_".repeat(length);
}
}
}