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Library with common components for Flux Capacitor clients and service.
There is a newer version: 0.1015.0
/*
 * Copyright (c) Flux Capacitor IP B.V. or its affiliates. All Rights Reserved.
 *
 * 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.fluxcapacitor.common.api.search;

import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonSubTypes.Type;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import io.fluxcapacitor.common.api.search.constraints.AllConstraint;
import io.fluxcapacitor.common.api.search.constraints.AnyConstraint;
import io.fluxcapacitor.common.api.search.constraints.BetweenConstraint;
import io.fluxcapacitor.common.api.search.constraints.ContainsConstraint;
import io.fluxcapacitor.common.api.search.constraints.ExistsConstraint;
import io.fluxcapacitor.common.api.search.constraints.FacetConstraint;
import io.fluxcapacitor.common.api.search.constraints.LookAheadConstraint;
import io.fluxcapacitor.common.api.search.constraints.MatchConstraint;
import io.fluxcapacitor.common.api.search.constraints.NotConstraint;
import io.fluxcapacitor.common.api.search.constraints.QueryConstraint;
import io.fluxcapacitor.common.search.Document;

import java.util.ArrayList;
import java.util.List;

@JsonTypeInfo(use = JsonTypeInfo.Id.DEDUCTION, defaultImpl = NoOpConstraint.class)
@JsonSubTypes({@Type(AllConstraint.class), @Type(AnyConstraint.class), @Type(ContainsConstraint.class),
        @Type(BetweenConstraint.class), @Type(ExistsConstraint.class), @Type(QueryConstraint.class),
        @Type(MatchConstraint.class), @Type(NotConstraint.class), @Type(LookAheadConstraint.class),
        @Type(FacetConstraint.class)})
public interface Constraint {
    boolean matches(Document document);

    boolean hasPathConstraint();

    default Constraint decompose() {
        return this;
    }

    default Constraint and(Constraint other) {
        List constraints = new ArrayList<>();
        if (this instanceof AllConstraint) {
            constraints.addAll(((AllConstraint) this).getAll());
        } else {
            constraints.add(this);
        }
        if (other instanceof AllConstraint) {
            constraints.addAll(((AllConstraint) other).getAll());
        } else {
            constraints.add(other);
        }
        return AllConstraint.all(constraints);
    }

    default Constraint or(Constraint other) {
        List constraints = new ArrayList<>();
        if (this instanceof AnyConstraint) {
            constraints.addAll(((AnyConstraint) this).getAny());
        } else {
            constraints.add(this);
        }
        if (other instanceof AnyConstraint) {
            constraints.addAll(((AnyConstraint) other).getAny());
        } else {
            constraints.add(other);
        }
        return AnyConstraint.any(constraints);
    }

}