/*
 *  ******************************************************************************
 *  *
 *  *
 *  * This program and the accompanying materials are made available under the
 *  * terms of the Apache License, Version 2.0 which is available at
 *  * https://www.apache.org/licenses/LICENSE-2.0.
 *  *
 *  *  See the NOTICE file distributed with this work for additional
 *  *  information regarding copyright ownership.
 *  * 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.
 *  *
 *  * SPDX-License-Identifier: Apache-2.0
 *  *****************************************************************************
 */

package org.datavec.api.transform.condition;

import org.datavec.api.transform.ColumnOp;
import org.datavec.api.transform.schema.Schema;
import org.datavec.api.writable.Writable;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonTypeInfo;

import java.io.Serializable;
import java.util.List;

@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.PROPERTY, property = "@class")
public interface Condition extends Serializable, ColumnOp {

    /**
     * Is the condition satisfied for the current input/example?<br>
     * Returns true if condition is satisfied, or false otherwise.
     *
     * @param list Current example
     * @return true if condition satisfied, false otherwise
     */
    boolean condition(List<Writable> list);

    /**
     * Condition on arbitrary input
     * @param input the input to return
     *              the condition for
     * @return true if the condition is met
     * false otherwise
     */
    boolean condition(Object input);

    /**
     * Is the condition satisfied for the current input/sequence?<br>
     * Returns true if condition is satisfied, or false otherwise.
     *
     * @param sequence Current sequence
     * @return true if condition satisfied, false otherwise
     */
    boolean conditionSequence(List<List<Writable>> sequence);

    /**
     * Condition on arbitrary input
     * @param sequence the sequence to
     *                 do a condition on
     * @return true if the condition for the sequence is met false otherwise
     */
    boolean conditionSequence(Object sequence);


    /**
     * Setter for the input schema
     * @param schema
     */
    void setInputSchema(Schema schema);

    /**
     * Getter for the input schema
     * @return
     */
    Schema getInputSchema();


}
