org.apache.druid.java.util.common.granularity.NoneGranularity.java Source code

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Here is the source code for org.apache.druid.java.util.common.granularity.NoneGranularity.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.druid.java.util.common.granularity;

import org.joda.time.DateTime;
import org.joda.time.Interval;
import org.joda.time.format.DateTimeFormatter;

/**
 * NoneGranularity does not bucket data
 */
public class NoneGranularity extends Granularity {
    /**
     * This constructor is public b/c it is serialized and deserialized
     * based on type in GranularityModule
     */
    public NoneGranularity() {
    }

    @Override
    public DateTimeFormatter getFormatter(Formatter type) {
        throw new UnsupportedOperationException("This method should not be invoked for this granularity type");
    }

    @Override
    public DateTime increment(DateTime time) {
        return time.plus(1);
    }

    @Override
    public DateTime bucketStart(DateTime time) {
        return time;
    }

    @Override
    public DateTime toDate(String filePath, Formatter formatter) {
        throw new UnsupportedOperationException("This method should not be invoked for this granularity type");
    }

    /**
     * Any interval is aligned with none granularity since it's effectively millisecond granularity.
     */
    @Override
    public boolean isAligned(Interval interval) {
        return true;
    }

    @Override
    public byte[] getCacheKey() {
        return new byte[] { 0x0 };
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        return -1;
    }

    @Override
    public String toString() {
        return "NoneGranularity";
    }
}