jnidzwetzki/bboxdb

/*******************************************************************************
 *
 *    Copyright (C) 2015-2022 the BBoxDB project
 *
 *    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.bboxdb.query;

import java.util.List;
import java.util.Objects;

import org.bboxdb.commons.math.Hyperrectangle;
import org.bboxdb.query.filter.UserDefinedFilterDefinition;
import org.bboxdb.query.transformation.TupleTransformation;

public abstract class ContinuousQueryPlan {

    /**
     * The stream table
     */
    private final String streamTable;
    
    /**
     * The transformations of the stream entry
     */
    private final List<TupleTransformation> streamTransformation;
    
    /**
     * The range filters
     */
    private final List<UserDefinedFilterDefinition> streamFilters;
    
    /**
     * The query UUID
     */
    private final String queryUUID;

    /**
     * The query range
     */
    private final Hyperrectangle queryRange;
    
    /**
     * This query should receive watermarks
     */
    private final boolean receiveWatermarks;
    
    /**
     * This query should receive invalidations
     */
    private final boolean receiveInvalidations;

    /**
     * Invalidate the query state after n watermarks
     */
    private long invalidateStateAfterWatermarks;

    public ContinuousQueryPlan(final String queryUUID, final String streamTable, 
            final List<TupleTransformation> streamTransformation, 
            final Hyperrectangle queryRange, 
            final List<UserDefinedFilterDefinition> streamFilters,
            final boolean receiveWatermarks, final boolean receiveInvalidations,
            final long invalidateStateAfterWatermarks) {
        
        this.queryUUID = queryUUID;
        this.streamTable = Objects.requireNonNull(streamTable);
        this.streamTransformation = Objects.requireNonNull(streamTransformation);
        this.queryRange = Objects.requireNonNull(queryRange);
        this.streamFilters = Objects.requireNonNull(streamFilters);
        this.receiveWatermarks = receiveWatermarks;
        this.receiveInvalidations = receiveInvalidations;
        this.invalidateStateAfterWatermarks = invalidateStateAfterWatermarks;
    }
    
    public String getQueryUUID() {
        return queryUUID;
    }

    public String getStreamTable() {
        return streamTable;
    }

    public List<TupleTransformation> getStreamTransformation() {
        return streamTransformation;
    }

    public Hyperrectangle getQueryRange() {
        return queryRange;
    }

    public List<UserDefinedFilterDefinition> getStreamFilters() {
        return streamFilters;
    }
    
    public boolean isReceiveInvalidations() {
        return receiveInvalidations;
    }
    
    public boolean isReceiveWatermarks() {
        return receiveWatermarks;
    }

    public long getInvalidateStateAfterWatermarks() {
        return invalidateStateAfterWatermarks;
    }

    @Override
    public String toString() {
        return "ContinuousQueryPlan [streamTable=" + streamTable + ", streamTransformation=" + streamTransformation
                + ", streamFilters=" + streamFilters + ", queryUUID=" + queryUUID + ", queryRange=" + queryRange
                + ", receiveWatermarks=" + receiveWatermarks + ", receiveInvalidations=" + receiveInvalidations
                + ", invalidateStateAfterWatermarks=" + invalidateStateAfterWatermarks + "]";
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + (int) (invalidateStateAfterWatermarks ^ (invalidateStateAfterWatermarks >>> 32));
        result = prime * result + ((queryRange == null) ? 0 : queryRange.hashCode());
        result = prime * result + ((queryUUID == null) ? 0 : queryUUID.hashCode());
        result = prime * result + (receiveInvalidations ? 1231 : 1237);
        result = prime * result + (receiveWatermarks ? 1231 : 1237);
        result = prime * result + ((streamFilters == null) ? 0 : streamFilters.hashCode());
        result = prime * result + ((streamTable == null) ? 0 : streamTable.hashCode());
        result = prime * result + ((streamTransformation == null) ? 0 : streamTransformation.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        ContinuousQueryPlan other = (ContinuousQueryPlan) obj;
        if (invalidateStateAfterWatermarks != other.invalidateStateAfterWatermarks)
            return false;
        if (queryRange == null) {
            if (other.queryRange != null)
                return false;
        } else if (!queryRange.equals(other.queryRange))
            return false;
        if (queryUUID == null) {
            if (other.queryUUID != null)
                return false;
        } else if (!queryUUID.equals(other.queryUUID))
            return false;
        if (receiveInvalidations != other.receiveInvalidations)
            return false;
        if (receiveWatermarks != other.receiveWatermarks)
            return false;
        if (streamFilters == null) {
            if (other.streamFilters != null)
                return false;
        } else if (!streamFilters.equals(other.streamFilters))
            return false;
        if (streamTable == null) {
            if (other.streamTable != null)
                return false;
        } else if (!streamTable.equals(other.streamTable))
            return false;
        if (streamTransformation == null) {
            if (other.streamTransformation != null)
                return false;
        } else if (!streamTransformation.equals(other.streamTransformation))
            return false;
        return true;
    }
    
    
    
}