Java tutorial
/** * Autogenerated by Thrift Compiler (0.9.1) * * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING * @generated */ package org.apache.cassandra.thrift; /* * * 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. * */ import org.apache.commons.lang3.builder.HashCodeBuilder; 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 org.apache.thrift.async.AsyncMethodCallback; import org.apache.thrift.server.AbstractNonblockingServer.*; 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; /** * Represents input splits used by hadoop ColumnFamilyRecordReaders */ public class CfSplit implements org.apache.thrift.TBase<CfSplit, CfSplit._Fields>, java.io.Serializable, Cloneable, Comparable<CfSplit> { private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct( "CfSplit"); private static final org.apache.thrift.protocol.TField START_TOKEN_FIELD_DESC = new org.apache.thrift.protocol.TField( "start_token", org.apache.thrift.protocol.TType.STRING, (short) 1); private static final org.apache.thrift.protocol.TField END_TOKEN_FIELD_DESC = new org.apache.thrift.protocol.TField( "end_token", org.apache.thrift.protocol.TType.STRING, (short) 2); private static final org.apache.thrift.protocol.TField ROW_COUNT_FIELD_DESC = new org.apache.thrift.protocol.TField( "row_count", 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 CfSplitStandardSchemeFactory()); schemes.put(TupleScheme.class, new CfSplitTupleSchemeFactory()); } public String start_token; // required public String end_token; // required public long row_count; // 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 { START_TOKEN((short) 1, "start_token"), END_TOKEN((short) 2, "end_token"), ROW_COUNT((short) 3, "row_count"); 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: // START_TOKEN return START_TOKEN; case 2: // END_TOKEN return END_TOKEN; case 3: // ROW_COUNT return ROW_COUNT; 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 __ROW_COUNT_ISSET_ID = 0; 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.START_TOKEN, new org.apache.thrift.meta_data.FieldMetaData("start_token", org.apache.thrift.TFieldRequirementType.REQUIRED, new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING))); tmpMap.put(_Fields.END_TOKEN, new org.apache.thrift.meta_data.FieldMetaData("end_token", org.apache.thrift.TFieldRequirementType.REQUIRED, new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING))); tmpMap.put(_Fields.ROW_COUNT, new org.apache.thrift.meta_data.FieldMetaData("row_count", org.apache.thrift.TFieldRequirementType.REQUIRED, new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I64))); metaDataMap = Collections.unmodifiableMap(tmpMap); org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(CfSplit.class, metaDataMap); } public CfSplit() { } public CfSplit(String start_token, String end_token, long row_count) { this(); this.start_token = start_token; this.end_token = end_token; this.row_count = row_count; setRow_countIsSet(true); } /** * Performs a deep copy on <i>other</i>. */ public CfSplit(CfSplit other) { __isset_bitfield = other.__isset_bitfield; if (other.isSetStart_token()) { this.start_token = other.start_token; } if (other.isSetEnd_token()) { this.end_token = other.end_token; } this.row_count = other.row_count; } public CfSplit deepCopy() { return new CfSplit(this); } @Override public void clear() { this.start_token = null; this.end_token = null; setRow_countIsSet(false); this.row_count = 0; } public String getStart_token() { return this.start_token; } public CfSplit setStart_token(String start_token) { this.start_token = start_token; return this; } public void unsetStart_token() { this.start_token = null; } /** Returns true if field start_token is set (has been assigned a value) and false otherwise */ public boolean isSetStart_token() { return this.start_token != null; } public void setStart_tokenIsSet(boolean value) { if (!value) { this.start_token = null; } } public String getEnd_token() { return this.end_token; } public CfSplit setEnd_token(String end_token) { this.end_token = end_token; return this; } public void unsetEnd_token() { this.end_token = null; } /** Returns true if field end_token is set (has been assigned a value) and false otherwise */ public boolean isSetEnd_token() { return this.end_token != null; } public void setEnd_tokenIsSet(boolean value) { if (!value) { this.end_token = null; } } public long getRow_count() { return this.row_count; } public CfSplit setRow_count(long row_count) { this.row_count = row_count; setRow_countIsSet(true); return this; } public void unsetRow_count() { __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __ROW_COUNT_ISSET_ID); } /** Returns true if field row_count is set (has been assigned a value) and false otherwise */ public boolean isSetRow_count() { return EncodingUtils.testBit(__isset_bitfield, __ROW_COUNT_ISSET_ID); } public void setRow_countIsSet(boolean value) { __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __ROW_COUNT_ISSET_ID, value); } public void setFieldValue(_Fields field, Object value) { switch (field) { case START_TOKEN: if (value == null) { unsetStart_token(); } else { setStart_token((String) value); } break; case END_TOKEN: if (value == null) { unsetEnd_token(); } else { setEnd_token((String) value); } break; case ROW_COUNT: if (value == null) { unsetRow_count(); } else { setRow_count((Long) value); } break; } } public Object getFieldValue(_Fields field) { switch (field) { case START_TOKEN: return getStart_token(); case END_TOKEN: return getEnd_token(); case ROW_COUNT: return Long.valueOf(getRow_count()); } 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 START_TOKEN: return isSetStart_token(); case END_TOKEN: return isSetEnd_token(); case ROW_COUNT: return isSetRow_count(); } throw new IllegalStateException(); } @Override public boolean equals(Object that) { if (that == null) return false; if (that instanceof CfSplit) return this.equals((CfSplit) that); return false; } public boolean equals(CfSplit that) { if (that == null) return false; boolean this_present_start_token = true && this.isSetStart_token(); boolean that_present_start_token = true && that.isSetStart_token(); if (this_present_start_token || that_present_start_token) { if (!(this_present_start_token && that_present_start_token)) return false; if (!this.start_token.equals(that.start_token)) return false; } boolean this_present_end_token = true && this.isSetEnd_token(); boolean that_present_end_token = true && that.isSetEnd_token(); if (this_present_end_token || that_present_end_token) { if (!(this_present_end_token && that_present_end_token)) return false; if (!this.end_token.equals(that.end_token)) return false; } boolean this_present_row_count = true; boolean that_present_row_count = true; if (this_present_row_count || that_present_row_count) { if (!(this_present_row_count && that_present_row_count)) return false; if (this.row_count != that.row_count) return false; } return true; } @Override public int hashCode() { HashCodeBuilder builder = new HashCodeBuilder(); boolean present_start_token = true && (isSetStart_token()); builder.append(present_start_token); if (present_start_token) builder.append(start_token); boolean present_end_token = true && (isSetEnd_token()); builder.append(present_end_token); if (present_end_token) builder.append(end_token); boolean present_row_count = true; builder.append(present_row_count); if (present_row_count) builder.append(row_count); return builder.toHashCode(); } @Override public int compareTo(CfSplit other) { if (!getClass().equals(other.getClass())) { return getClass().getName().compareTo(other.getClass().getName()); } int lastComparison = 0; lastComparison = Boolean.valueOf(isSetStart_token()).compareTo(other.isSetStart_token()); if (lastComparison != 0) { return lastComparison; } if (isSetStart_token()) { lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.start_token, other.start_token); if (lastComparison != 0) { return lastComparison; } } lastComparison = Boolean.valueOf(isSetEnd_token()).compareTo(other.isSetEnd_token()); if (lastComparison != 0) { return lastComparison; } if (isSetEnd_token()) { lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.end_token, other.end_token); if (lastComparison != 0) { return lastComparison; } } lastComparison = Boolean.valueOf(isSetRow_count()).compareTo(other.isSetRow_count()); if (lastComparison != 0) { return lastComparison; } if (isSetRow_count()) { lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.row_count, other.row_count); 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("CfSplit("); boolean first = true; sb.append("start_token:"); if (this.start_token == null) { sb.append("null"); } else { sb.append(this.start_token); } first = false; if (!first) sb.append(", "); sb.append("end_token:"); if (this.end_token == null) { sb.append("null"); } else { sb.append(this.end_token); } first = false; if (!first) sb.append(", "); sb.append("row_count:"); sb.append(this.row_count); first = false; sb.append(")"); return sb.toString(); } public void validate() throws org.apache.thrift.TException { // check for required fields if (start_token == null) { throw new org.apache.thrift.protocol.TProtocolException( "Required field 'start_token' was not present! Struct: " + toString()); } if (end_token == null) { throw new org.apache.thrift.protocol.TProtocolException( "Required field 'end_token' was not present! Struct: " + toString()); } // alas, we cannot check 'row_count' because it's a primitive and you chose the non-beans generator. // 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 CfSplitStandardSchemeFactory implements SchemeFactory { public CfSplitStandardScheme getScheme() { return new CfSplitStandardScheme(); } } private static class CfSplitStandardScheme extends StandardScheme<CfSplit> { public void read(org.apache.thrift.protocol.TProtocol iprot, CfSplit 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: // START_TOKEN if (schemeField.type == org.apache.thrift.protocol.TType.STRING) { struct.start_token = iprot.readString(); struct.setStart_tokenIsSet(true); } else { org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type); } break; case 2: // END_TOKEN if (schemeField.type == org.apache.thrift.protocol.TType.STRING) { struct.end_token = iprot.readString(); struct.setEnd_tokenIsSet(true); } else { org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type); } break; case 3: // ROW_COUNT if (schemeField.type == org.apache.thrift.protocol.TType.I64) { struct.row_count = iprot.readI64(); struct.setRow_countIsSet(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 if (!struct.isSetRow_count()) { throw new org.apache.thrift.protocol.TProtocolException( "Required field 'row_count' was not found in serialized data! Struct: " + toString()); } struct.validate(); } public void write(org.apache.thrift.protocol.TProtocol oprot, CfSplit struct) throws org.apache.thrift.TException { struct.validate(); oprot.writeStructBegin(STRUCT_DESC); if (struct.start_token != null) { oprot.writeFieldBegin(START_TOKEN_FIELD_DESC); oprot.writeString(struct.start_token); oprot.writeFieldEnd(); } if (struct.end_token != null) { oprot.writeFieldBegin(END_TOKEN_FIELD_DESC); oprot.writeString(struct.end_token); oprot.writeFieldEnd(); } oprot.writeFieldBegin(ROW_COUNT_FIELD_DESC); oprot.writeI64(struct.row_count); oprot.writeFieldEnd(); oprot.writeFieldStop(); oprot.writeStructEnd(); } } private static class CfSplitTupleSchemeFactory implements SchemeFactory { public CfSplitTupleScheme getScheme() { return new CfSplitTupleScheme(); } } private static class CfSplitTupleScheme extends TupleScheme<CfSplit> { @Override public void write(org.apache.thrift.protocol.TProtocol prot, CfSplit struct) throws org.apache.thrift.TException { TTupleProtocol oprot = (TTupleProtocol) prot; oprot.writeString(struct.start_token); oprot.writeString(struct.end_token); oprot.writeI64(struct.row_count); } @Override public void read(org.apache.thrift.protocol.TProtocol prot, CfSplit struct) throws org.apache.thrift.TException { TTupleProtocol iprot = (TTupleProtocol) prot; struct.start_token = iprot.readString(); struct.setStart_tokenIsSet(true); struct.end_token = iprot.readString(); struct.setEnd_tokenIsSet(true); struct.row_count = iprot.readI64(); struct.setRow_countIsSet(true); } } }