Package org.apache.hadoop.hdfs.notifier

Source Code of org.apache.hadoop.hdfs.notifier.NamespaceNotification

/**
* Autogenerated by Thrift Compiler (0.9.0)
*
* DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
*  @generated
*/
package org.apache.hadoop.hdfs.notifier;

import org.apache.thrift.scheme.IScheme;
import org.apache.thrift.scheme.SchemeFactory;
import org.apache.thrift.scheme.StandardScheme;

import org.apache.thrift.scheme.TupleScheme;
import org.apache.thrift.protocol.TTupleProtocol;
import org.apache.thrift.protocol.TProtocolException;
import org.apache.thrift.EncodingUtils;
import org.apache.thrift.TException;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
import java.util.EnumMap;
import java.util.Set;
import java.util.HashSet;
import java.util.EnumSet;
import java.util.Collections;
import java.util.BitSet;
import java.nio.ByteBuffer;
import java.util.Arrays;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
* The notification sent from the server to the client when a namespace
* event occured.
*/
public class NamespaceNotification implements org.apache.thrift.TBase<NamespaceNotification, NamespaceNotification._Fields>, java.io.Serializable, Cloneable {
  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("NamespaceNotification");

  private static final org.apache.thrift.protocol.TField PATH_FIELD_DESC = new org.apache.thrift.protocol.TField("path", org.apache.thrift.protocol.TType.STRING, (short)1);
  private static final org.apache.thrift.protocol.TField TYPE_FIELD_DESC = new org.apache.thrift.protocol.TField("type", org.apache.thrift.protocol.TType.BYTE, (short)2);
  private static final org.apache.thrift.protocol.TField TX_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("txId", org.apache.thrift.protocol.TType.I64, (short)3);

  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
  static {
    schemes.put(StandardScheme.class, new NamespaceNotificationStandardSchemeFactory());
    schemes.put(TupleScheme.class, new NamespaceNotificationTupleSchemeFactory());
  }

  public String path; // required
  public byte type; // required
  public long txId; // required

  /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
  public enum _Fields implements org.apache.thrift.TFieldIdEnum {
    PATH((short)1, "path"),
    TYPE((short)2, "type"),
    TX_ID((short)3, "txId");

    private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();

    static {
      for (_Fields field : EnumSet.allOf(_Fields.class)) {
        byName.put(field.getFieldName(), field);
      }
    }

    /**
     * Find the _Fields constant that matches fieldId, or null if its not found.
     */
    public static _Fields findByThriftId(int fieldId) {
      switch(fieldId) {
        case 1: // PATH
          return PATH;
        case 2: // TYPE
          return TYPE;
        case 3: // TX_ID
          return TX_ID;
        default:
          return null;
      }
    }

    /**
     * Find the _Fields constant that matches fieldId, throwing an exception
     * if it is not found.
     */
    public static _Fields findByThriftIdOrThrow(int fieldId) {
      _Fields fields = findByThriftId(fieldId);
      if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
      return fields;
    }

    /**
     * Find the _Fields constant that matches name, or null if its not found.
     */
    public static _Fields findByName(String name) {
      return byName.get(name);
    }

    private final short _thriftId;
    private final String _fieldName;

    _Fields(short thriftId, String fieldName) {
      _thriftId = thriftId;
      _fieldName = fieldName;
    }

    public short getThriftFieldId() {
      return _thriftId;
    }

    public String getFieldName() {
      return _fieldName;
    }
  }

  // isset id assignments
  private static final int __TYPE_ISSET_ID = 0;
  private static final int __TXID_ISSET_ID = 1;
  private byte __isset_bitfield = 0;
  public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
  static {
    Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
    tmpMap.put(_Fields.PATH, new org.apache.thrift.meta_data.FieldMetaData("path", org.apache.thrift.TFieldRequirementType.DEFAULT,
        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
    tmpMap.put(_Fields.TYPE, new org.apache.thrift.meta_data.FieldMetaData("type", org.apache.thrift.TFieldRequirementType.DEFAULT,
        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.BYTE)));
    tmpMap.put(_Fields.TX_ID, new org.apache.thrift.meta_data.FieldMetaData("txId", org.apache.thrift.TFieldRequirementType.DEFAULT,
        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I64)));
    metaDataMap = Collections.unmodifiableMap(tmpMap);
    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(NamespaceNotification.class, metaDataMap);
  }

  public NamespaceNotification() {
  }

  public NamespaceNotification(
    String path,
    byte type,
    long txId)
  {
    this();
    this.path = path;
    this.type = type;
    setTypeIsSet(true);
    this.txId = txId;
    setTxIdIsSet(true);
  }

  /**
   * Performs a deep copy on <i>other</i>.
   */
  public NamespaceNotification(NamespaceNotification other) {
    __isset_bitfield = other.__isset_bitfield;
    if (other.isSetPath()) {
      this.path = other.path;
    }
    this.type = other.type;
    this.txId = other.txId;
  }

  public NamespaceNotification deepCopy() {
    return new NamespaceNotification(this);
  }

  @Override
  public void clear() {
    this.path = null;
    setTypeIsSet(false);
    this.type = 0;
    setTxIdIsSet(false);
    this.txId = 0;
  }

  public String getPath() {
    return this.path;
  }

  public NamespaceNotification setPath(String path) {
    this.path = path;
    return this;
  }

  public void unsetPath() {
    this.path = null;
  }

  /** Returns true if field path is set (has been assigned a value) and false otherwise */
  public boolean isSetPath() {
    return this.path != null;
  }

  public void setPathIsSet(boolean value) {
    if (!value) {
      this.path = null;
    }
  }

  public byte getType() {
    return this.type;
  }

  public NamespaceNotification setType(byte type) {
    this.type = type;
    setTypeIsSet(true);
    return this;
  }

  public void unsetType() {
    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __TYPE_ISSET_ID);
  }

  /** Returns true if field type is set (has been assigned a value) and false otherwise */
  public boolean isSetType() {
    return EncodingUtils.testBit(__isset_bitfield, __TYPE_ISSET_ID);
  }

  public void setTypeIsSet(boolean value) {
    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __TYPE_ISSET_ID, value);
  }

  public long getTxId() {
    return this.txId;
  }

  public NamespaceNotification setTxId(long txId) {
    this.txId = txId;
    setTxIdIsSet(true);
    return this;
  }

  public void unsetTxId() {
    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __TXID_ISSET_ID);
  }

  /** Returns true if field txId is set (has been assigned a value) and false otherwise */
  public boolean isSetTxId() {
    return EncodingUtils.testBit(__isset_bitfield, __TXID_ISSET_ID);
  }

  public void setTxIdIsSet(boolean value) {
    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __TXID_ISSET_ID, value);
  }

  public void setFieldValue(_Fields field, Object value) {
    switch (field) {
    case PATH:
      if (value == null) {
        unsetPath();
      } else {
        setPath((String)value);
      }
      break;

    case TYPE:
      if (value == null) {
        unsetType();
      } else {
        setType((Byte)value);
      }
      break;

    case TX_ID:
      if (value == null) {
        unsetTxId();
      } else {
        setTxId((Long)value);
      }
      break;

    }
  }

  public Object getFieldValue(_Fields field) {
    switch (field) {
    case PATH:
      return getPath();

    case TYPE:
      return Byte.valueOf(getType());

    case TX_ID:
      return Long.valueOf(getTxId());

    }
    throw new IllegalStateException();
  }

  /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
  public boolean isSet(_Fields field) {
    if (field == null) {
      throw new IllegalArgumentException();
    }

    switch (field) {
    case PATH:
      return isSetPath();
    case TYPE:
      return isSetType();
    case TX_ID:
      return isSetTxId();
    }
    throw new IllegalStateException();
  }

  @Override
  public boolean equals(Object that) {
    if (that == null)
      return false;
    if (that instanceof NamespaceNotification)
      return this.equals((NamespaceNotification)that);
    return false;
  }

  public boolean equals(NamespaceNotification that) {
    if (that == null)
      return false;

    boolean this_present_path = true && this.isSetPath();
    boolean that_present_path = true && that.isSetPath();
    if (this_present_path || that_present_path) {
      if (!(this_present_path && that_present_path))
        return false;
      if (!this.path.equals(that.path))
        return false;
    }

    boolean this_present_type = true;
    boolean that_present_type = true;
    if (this_present_type || that_present_type) {
      if (!(this_present_type && that_present_type))
        return false;
      if (this.type != that.type)
        return false;
    }

    boolean this_present_txId = true;
    boolean that_present_txId = true;
    if (this_present_txId || that_present_txId) {
      if (!(this_present_txId && that_present_txId))
        return false;
      if (this.txId != that.txId)
        return false;
    }

    return true;
  }

  @Override
  public int hashCode() {
    return 0;
  }

  public int compareTo(NamespaceNotification other) {
    if (!getClass().equals(other.getClass())) {
      return getClass().getName().compareTo(other.getClass().getName());
    }

    int lastComparison = 0;
    NamespaceNotification typedOther = (NamespaceNotification)other;

    lastComparison = Boolean.valueOf(isSetPath()).compareTo(typedOther.isSetPath());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetPath()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.path, typedOther.path);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetType()).compareTo(typedOther.isSetType());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetType()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.type, typedOther.type);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = Boolean.valueOf(isSetTxId()).compareTo(typedOther.isSetTxId());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetTxId()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.txId, typedOther.txId);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    return 0;
  }

  public _Fields fieldForId(int fieldId) {
    return _Fields.findByThriftId(fieldId);
  }

  public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
    schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
  }

  public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
    schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder("NamespaceNotification(");
    boolean first = true;

    sb.append("path:");
    if (this.path == null) {
      sb.append("null");
    } else {
      sb.append(this.path);
    }
    first = false;
    if (!first) sb.append(", ");
    sb.append("type:");
    sb.append(this.type);
    first = false;
    if (!first) sb.append(", ");
    sb.append("txId:");
    sb.append(this.txId);
    first = false;
    sb.append(")");
    return sb.toString();
  }

  public void validate() throws org.apache.thrift.TException {
    // check for required fields
    // check for sub-struct validity
  }

  private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
    try {
      write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
    } catch (org.apache.thrift.TException te) {
      throw new java.io.IOException(te);
    }
  }

  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
    try {
      // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
      __isset_bitfield = 0;
      read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
    } catch (org.apache.thrift.TException te) {
      throw new java.io.IOException(te);
    }
  }

  private static class NamespaceNotificationStandardSchemeFactory implements SchemeFactory {
    public NamespaceNotificationStandardScheme getScheme() {
      return new NamespaceNotificationStandardScheme();
    }
  }

  private static class NamespaceNotificationStandardScheme extends StandardScheme<NamespaceNotification> {

    public void read(org.apache.thrift.protocol.TProtocol iprot, NamespaceNotification struct) throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TField schemeField;
      iprot.readStructBegin();
      while (true)
      {
        schemeField = iprot.readFieldBegin();
        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) {
          break;
        }
        switch (schemeField.id) {
          case 1: // PATH
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.path = iprot.readString();
              struct.setPathIsSet(true);
            } else {
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 2: // TYPE
            if (schemeField.type == org.apache.thrift.protocol.TType.BYTE) {
              struct.type = iprot.readByte();
              struct.setTypeIsSet(true);
            } else {
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 3: // TX_ID
            if (schemeField.type == org.apache.thrift.protocol.TType.I64) {
              struct.txId = iprot.readI64();
              struct.setTxIdIsSet(true);
            } else {
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          default:
            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
        }
        iprot.readFieldEnd();
      }
      iprot.readStructEnd();

      // check for required fields of primitive type, which can't be checked in the validate method
      struct.validate();
    }

    public void write(org.apache.thrift.protocol.TProtocol oprot, NamespaceNotification struct) throws org.apache.thrift.TException {
      struct.validate();

      oprot.writeStructBegin(STRUCT_DESC);
      if (struct.path != null) {
        oprot.writeFieldBegin(PATH_FIELD_DESC);
        oprot.writeString(struct.path);
        oprot.writeFieldEnd();
      }
      oprot.writeFieldBegin(TYPE_FIELD_DESC);
      oprot.writeByte(struct.type);
      oprot.writeFieldEnd();
      oprot.writeFieldBegin(TX_ID_FIELD_DESC);
      oprot.writeI64(struct.txId);
      oprot.writeFieldEnd();
      oprot.writeFieldStop();
      oprot.writeStructEnd();
    }

  }

  private static class NamespaceNotificationTupleSchemeFactory implements SchemeFactory {
    public NamespaceNotificationTupleScheme getScheme() {
      return new NamespaceNotificationTupleScheme();
    }
  }

  private static class NamespaceNotificationTupleScheme extends TupleScheme<NamespaceNotification> {

    @Override
    public void write(org.apache.thrift.protocol.TProtocol prot, NamespaceNotification struct) throws org.apache.thrift.TException {
      TTupleProtocol oprot = (TTupleProtocol) prot;
      BitSet optionals = new BitSet();
      if (struct.isSetPath()) {
        optionals.set(0);
      }
      if (struct.isSetType()) {
        optionals.set(1);
      }
      if (struct.isSetTxId()) {
        optionals.set(2);
      }
      oprot.writeBitSet(optionals, 3);
      if (struct.isSetPath()) {
        oprot.writeString(struct.path);
      }
      if (struct.isSetType()) {
        oprot.writeByte(struct.type);
      }
      if (struct.isSetTxId()) {
        oprot.writeI64(struct.txId);
      }
    }

    @Override
    public void read(org.apache.thrift.protocol.TProtocol prot, NamespaceNotification struct) throws org.apache.thrift.TException {
      TTupleProtocol iprot = (TTupleProtocol) prot;
      BitSet incoming = iprot.readBitSet(3);
      if (incoming.get(0)) {
        struct.path = iprot.readString();
        struct.setPathIsSet(true);
      }
      if (incoming.get(1)) {
        struct.type = iprot.readByte();
        struct.setTypeIsSet(true);
      }
      if (incoming.get(2)) {
        struct.txId = iprot.readI64();
        struct.setTxIdIsSet(true);
      }
    }
  }

}
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