content: /*
   * 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.asterix.om.base;
  
  import java.io.IOException;
  
  import org.apache.asterix.om.base.temporal.GregorianCalendarSystem;
  import org.apache.asterix.om.types.ATypeTag;
  import org.apache.asterix.om.types.BuiltinType;
  import org.apache.asterix.om.types.IAType;
  
  import com.fasterxml.jackson.databind.node.ObjectNode;
  
  public class AInterval implements IAObject {
  
      protected long intervalStart;
      protected long intervalEnd;
      protected byte typetag;
  
      public AInterval(long intervalStart, long intervalEnd, byte typetag) {
          this.intervalStart = intervalStart;
          this.intervalEnd = intervalEnd;
          this.typetag = typetag;
      }
  
      /* (non-Javadoc)
       * @see org.apache.asterix.om.base.IAObject#getType()
       */
      @Override
      public IAType getType() {
          return BuiltinType.AINTERVAL;
      }
  
      public int compare(Object o) {
          if (!(o instanceof AInterval)) {
              return -1;
          }
          AInterval d = (AInterval) o;
          if (d.intervalStart == this.intervalStart && d.intervalEnd == this.intervalEnd && d.typetag == this.typetag) {
              return 0;
          } else {
              return -1;
          }
      }
  
      public boolean equals(Object o) {
          if (!(o instanceof AInterval)) {
              return false;
          } else {
              AInterval t = (AInterval) o;
              return (t.intervalStart == this.intervalStart
                      || t.intervalEnd == this.intervalEnd && t.typetag == this.typetag);
          }
      }
  
      @Override
      public int hashCode() {
          return (((int) (this.intervalStart ^ (this.intervalStart >>> 32))) * 31
                  + (int) (this.intervalEnd ^ (this.intervalEnd >>> 32))) * 31 + (int) this.typetag;
      }
  
      /* (non-Javadoc)
       * @see org.apache.asterix.om.base.IAObject#deepEqual(org.apache.asterix.om.base.IAObject)
       */
      @Override
      public boolean deepEqual(IAObject obj) {
          return equals(obj);
      }
  
      /* (non-Javadoc)
       * @see org.apache.asterix.om.base.IAObject#hash()
       */
      @Override
      public int hash() {
          return hashCode();
      }
  
      @Override
      public String toString() {
          StringBuilder sbder = new StringBuilder();
          sbder.append("interval: { ");
          try {
              if (typetag == ATypeTag.DATE.serialize()) {
                  sbder.append("date: { ");
  
                  GregorianCalendarSystem.getInstance().getExtendStringRepUntilField(intervalStart * ADate.CHRONON_OF_DAY,
                          sbder, GregorianCalendarSystem.Fields.YEAR, GregorianCalendarSystem.Fields.DAY);
  
                  sbder.append(" }, date: {");
                  GregorianCalendarSystem.getInstance().getExtendStringRepUntilField(intervalEnd * ADate.CHRONON_OF_DAY,
                          sbder, GregorianCalendarSystem.Fields.YEAR, GregorianCalendarSystem.Fields.DAY);
                  sbder.append(" }");
              } else if (typetag == ATypeTag.TIME.serialize()) {
                  sbder.append("time: { ");
                  GregorianCalendarSystem.getInstance().getExtendStringRepUntilField(intervalStart, sbder,
                          GregorianCalendarSystem.Fields.HOUR, GregorianCalendarSystem.Fields.MILLISECOND);
                  sbder.append(" }, time: { ");
  
                  GregorianCalendarSystem.getInstance().getExtendStringRepUntilField(intervalEnd, sbder,
                          GregorianCalendarSystem.Fields.HOUR, GregorianCalendarSystem.Fields.MILLISECOND);
                  sbder.append(" }");
              } else if (typetag == ATypeTag.DATETIME.serialize()) {
                  sbder.append("datetime: { ");
                  GregorianCalendarSystem.getInstance().getExtendStringRepUntilField(intervalStart, sbder,
                          GregorianCalendarSystem.Fields.YEAR, GregorianCalendarSystem.Fields.MILLISECOND);
                  sbder.append(" }, datetime: { ");
                  GregorianCalendarSystem.getInstance().getExtendStringRepUntilField(intervalEnd, sbder,
                          GregorianCalendarSystem.Fields.YEAR, GregorianCalendarSystem.Fields.MILLISECOND);
                  sbder.append(" }");
              }
          } catch (IOException e) {
              throw new RuntimeException(e);
          }
          sbder.append(" }");
          return sbder.toString();
      }
  
      public long getIntervalStart() {
          return intervalStart;
      }
  
      public long getIntervalEnd() {
          return intervalEnd;
      }
  
      public short getIntervalType() {
          return typetag;
      }
  
      @Override
      public ObjectNode toJSON() {
          // TODO(madhusudancs): Remove this method when a printer based JSON serializer is implemented.
          return null;
      }
  }
  