com.facebook.presto.spi.predicate.ValueSet Maven / Gradle / Ivy

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/*
 * 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 com.facebook.presto.spi.predicate;

import com.facebook.presto.spi.ConnectorSession;
import com.facebook.presto.spi.type.Type;
import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonTypeInfo;

import java.util.Collection;

import static java.util.stream.Collectors.toList;

@JsonTypeInfo(
        use = JsonTypeInfo.Id.NAME,
        include = JsonTypeInfo.As.PROPERTY,
        property = "@type")
@JsonSubTypes({
        @JsonSubTypes.Type(value = EquatableValueSet.class, name = "equatable"),
        @JsonSubTypes.Type(value = SortedRangeSet.class, name = "sortable"),
        @JsonSubTypes.Type(value = AllOrNoneValueSet.class, name = "allOrNone")})
public interface ValueSet
{
    static ValueSet none(Type type)
    {
        if (type.isOrderable()) {
            return SortedRangeSet.none(type);
        }
        if (type.isComparable()) {
            return EquatableValueSet.none(type);
        }
        return AllOrNoneValueSet.none(type);
    }

    static ValueSet all(Type type)
    {
        if (type.isOrderable()) {
            return SortedRangeSet.all(type);
        }
        if (type.isComparable()) {
            return EquatableValueSet.all(type);
        }
        return AllOrNoneValueSet.all(type);
    }

    static ValueSet of(Type type, Object first, Object... rest)
    {
        if (type.isOrderable()) {
            return SortedRangeSet.of(type, first, rest);
        }
        if (type.isComparable()) {
            return EquatableValueSet.of(type, first, rest);
        }
        throw new IllegalArgumentException("Cannot create discrete ValueSet with non-comparable type: " + type);
    }

    static ValueSet copyOf(Type type, Collection