Java tutorial
/** * Autogenerated by Thrift * * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING */ 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.lang.builder.HashCodeBuilder; 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 semantics of start keys and tokens are slightly different. * Keys are start-inclusive; tokens are start-exclusive. Token * ranges may also wrap -- that is, the end token may be less * than the start one. Thus, a range from keyX to keyX is a * one-element range, but a range from tokenY to tokenY is the * full ring. */ public class KeyRange implements org.apache.thrift.TBase<KeyRange, KeyRange._Fields>, java.io.Serializable, Cloneable { private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct( "KeyRange"); private static final org.apache.thrift.protocol.TField START_KEY_FIELD_DESC = new org.apache.thrift.protocol.TField( "start_key", org.apache.thrift.protocol.TType.STRING, (short) 1); private static final org.apache.thrift.protocol.TField END_KEY_FIELD_DESC = new org.apache.thrift.protocol.TField( "end_key", org.apache.thrift.protocol.TType.STRING, (short) 2); 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) 3); 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) 4); private static final org.apache.thrift.protocol.TField COUNT_FIELD_DESC = new org.apache.thrift.protocol.TField( "count", org.apache.thrift.protocol.TType.I32, (short) 5); public ByteBuffer start_key; public ByteBuffer end_key; public String start_token; public String end_token; public int count; /** 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_KEY((short) 1, "start_key"), END_KEY((short) 2, "end_key"), START_TOKEN((short) 3, "start_token"), END_TOKEN((short) 4, "end_token"), COUNT((short) 5, "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_KEY return START_KEY; case 2: // END_KEY return END_KEY; case 3: // START_TOKEN return START_TOKEN; case 4: // END_TOKEN return END_TOKEN; case 5: // COUNT return 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 __COUNT_ISSET_ID = 0; private BitSet __isset_bit_vector = new BitSet(1); 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_KEY, new org.apache.thrift.meta_data.FieldMetaData("start_key", org.apache.thrift.TFieldRequirementType.OPTIONAL, new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING, true))); tmpMap.put(_Fields.END_KEY, new org.apache.thrift.meta_data.FieldMetaData("end_key", org.apache.thrift.TFieldRequirementType.OPTIONAL, new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING, true))); tmpMap.put(_Fields.START_TOKEN, new org.apache.thrift.meta_data.FieldMetaData("start_token", org.apache.thrift.TFieldRequirementType.OPTIONAL, 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.OPTIONAL, new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING))); tmpMap.put(_Fields.COUNT, new org.apache.thrift.meta_data.FieldMetaData("count", org.apache.thrift.TFieldRequirementType.REQUIRED, new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I32))); metaDataMap = Collections.unmodifiableMap(tmpMap); org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(KeyRange.class, metaDataMap); } public KeyRange() { this.count = 100; } public KeyRange(int count) { this(); this.count = count; setCountIsSet(true); } /** * Performs a deep copy on <i>other</i>. */ public KeyRange(KeyRange other) { __isset_bit_vector.clear(); __isset_bit_vector.or(other.__isset_bit_vector); if (other.isSetStart_key()) { this.start_key = org.apache.thrift.TBaseHelper.copyBinary(other.start_key); ; } if (other.isSetEnd_key()) { this.end_key = org.apache.thrift.TBaseHelper.copyBinary(other.end_key); ; } if (other.isSetStart_token()) { this.start_token = other.start_token; } if (other.isSetEnd_token()) { this.end_token = other.end_token; } this.count = other.count; } public KeyRange deepCopy() { return new KeyRange(this); } @Override public void clear() { this.start_key = null; this.end_key = null; this.start_token = null; this.end_token = null; this.count = 100; } public byte[] getStart_key() { setStart_key(org.apache.thrift.TBaseHelper.rightSize(start_key)); return start_key == null ? null : start_key.array(); } public ByteBuffer bufferForStart_key() { return start_key; } public KeyRange setStart_key(byte[] start_key) { setStart_key(start_key == null ? (ByteBuffer) null : ByteBuffer.wrap(start_key)); return this; } public KeyRange setStart_key(ByteBuffer start_key) { this.start_key = start_key; return this; } public void unsetStart_key() { this.start_key = null; } /** Returns true if field start_key is set (has been assigned a value) and false otherwise */ public boolean isSetStart_key() { return this.start_key != null; } public void setStart_keyIsSet(boolean value) { if (!value) { this.start_key = null; } } public byte[] getEnd_key() { setEnd_key(org.apache.thrift.TBaseHelper.rightSize(end_key)); return end_key == null ? null : end_key.array(); } public ByteBuffer bufferForEnd_key() { return end_key; } public KeyRange setEnd_key(byte[] end_key) { setEnd_key(end_key == null ? (ByteBuffer) null : ByteBuffer.wrap(end_key)); return this; } public KeyRange setEnd_key(ByteBuffer end_key) { this.end_key = end_key; return this; } public void unsetEnd_key() { this.end_key = null; } /** Returns true if field end_key is set (has been assigned a value) and false otherwise */ public boolean isSetEnd_key() { return this.end_key != null; } public void setEnd_keyIsSet(boolean value) { if (!value) { this.end_key = null; } } public String getStart_token() { return this.start_token; } public KeyRange 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 KeyRange 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 int getCount() { return this.count; } public KeyRange setCount(int count) { this.count = count; setCountIsSet(true); return this; } public void unsetCount() { __isset_bit_vector.clear(__COUNT_ISSET_ID); } /** Returns true if field count is set (has been assigned a value) and false otherwise */ public boolean isSetCount() { return __isset_bit_vector.get(__COUNT_ISSET_ID); } public void setCountIsSet(boolean value) { __isset_bit_vector.set(__COUNT_ISSET_ID, value); } public void setFieldValue(_Fields field, Object value) { switch (field) { case START_KEY: if (value == null) { unsetStart_key(); } else { setStart_key((ByteBuffer) value); } break; case END_KEY: if (value == null) { unsetEnd_key(); } else { setEnd_key((ByteBuffer) value); } break; 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 COUNT: if (value == null) { unsetCount(); } else { setCount((Integer) value); } break; } } public Object getFieldValue(_Fields field) { switch (field) { case START_KEY: return getStart_key(); case END_KEY: return getEnd_key(); case START_TOKEN: return getStart_token(); case END_TOKEN: return getEnd_token(); case COUNT: return new Integer(getCount()); } 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_KEY: return isSetStart_key(); case END_KEY: return isSetEnd_key(); case START_TOKEN: return isSetStart_token(); case END_TOKEN: return isSetEnd_token(); case COUNT: return isSetCount(); } throw new IllegalStateException(); } @Override public boolean equals(Object that) { if (that == null) return false; if (that instanceof KeyRange) return this.equals((KeyRange) that); return false; } public boolean equals(KeyRange that) { if (that == null) return false; boolean this_present_start_key = true && this.isSetStart_key(); boolean that_present_start_key = true && that.isSetStart_key(); if (this_present_start_key || that_present_start_key) { if (!(this_present_start_key && that_present_start_key)) return false; if (!this.start_key.equals(that.start_key)) return false; } boolean this_present_end_key = true && this.isSetEnd_key(); boolean that_present_end_key = true && that.isSetEnd_key(); if (this_present_end_key || that_present_end_key) { if (!(this_present_end_key && that_present_end_key)) return false; if (!this.end_key.equals(that.end_key)) 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_count = true; boolean that_present_count = true; if (this_present_count || that_present_count) { if (!(this_present_count && that_present_count)) return false; if (this.count != that.count) return false; } return true; } @Override public int hashCode() { HashCodeBuilder builder = new HashCodeBuilder(); boolean present_start_key = true && (isSetStart_key()); builder.append(present_start_key); if (present_start_key) builder.append(start_key); boolean present_end_key = true && (isSetEnd_key()); builder.append(present_end_key); if (present_end_key) builder.append(end_key); 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_count = true; builder.append(present_count); if (present_count) builder.append(count); return builder.toHashCode(); } public int compareTo(KeyRange other) { if (!getClass().equals(other.getClass())) { return getClass().getName().compareTo(other.getClass().getName()); } int lastComparison = 0; KeyRange typedOther = (KeyRange) other; lastComparison = Boolean.valueOf(isSetStart_key()).compareTo(typedOther.isSetStart_key()); if (lastComparison != 0) { return lastComparison; } if (isSetStart_key()) { lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.start_key, typedOther.start_key); if (lastComparison != 0) { return lastComparison; } } lastComparison = Boolean.valueOf(isSetEnd_key()).compareTo(typedOther.isSetEnd_key()); if (lastComparison != 0) { return lastComparison; } if (isSetEnd_key()) { lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.end_key, typedOther.end_key); if (lastComparison != 0) { return lastComparison; } } lastComparison = Boolean.valueOf(isSetStart_token()).compareTo(typedOther.isSetStart_token()); if (lastComparison != 0) { return lastComparison; } if (isSetStart_token()) { lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.start_token, typedOther.start_token); if (lastComparison != 0) { return lastComparison; } } lastComparison = Boolean.valueOf(isSetEnd_token()).compareTo(typedOther.isSetEnd_token()); if (lastComparison != 0) { return lastComparison; } if (isSetEnd_token()) { lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.end_token, typedOther.end_token); if (lastComparison != 0) { return lastComparison; } } lastComparison = Boolean.valueOf(isSetCount()).compareTo(typedOther.isSetCount()); if (lastComparison != 0) { return lastComparison; } if (isSetCount()) { lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.count, typedOther.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 { org.apache.thrift.protocol.TField field; iprot.readStructBegin(); while (true) { field = iprot.readFieldBegin(); if (field.type == org.apache.thrift.protocol.TType.STOP) { break; } switch (field.id) { case 1: // START_KEY if (field.type == org.apache.thrift.protocol.TType.STRING) { this.start_key = iprot.readBinary(); } else { org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type); } break; case 2: // END_KEY if (field.type == org.apache.thrift.protocol.TType.STRING) { this.end_key = iprot.readBinary(); } else { org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type); } break; case 3: // START_TOKEN if (field.type == org.apache.thrift.protocol.TType.STRING) { this.start_token = iprot.readString(); } else { org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type); } break; case 4: // END_TOKEN if (field.type == org.apache.thrift.protocol.TType.STRING) { this.end_token = iprot.readString(); } else { org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type); } break; case 5: // COUNT if (field.type == org.apache.thrift.protocol.TType.I32) { this.count = iprot.readI32(); setCountIsSet(true); } else { org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type); } break; default: org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type); } iprot.readFieldEnd(); } iprot.readStructEnd(); // check for required fields of primitive type, which can't be checked in the validate method if (!isSetCount()) { throw new org.apache.thrift.protocol.TProtocolException( "Required field 'count' was not found in serialized data! Struct: " + toString()); } validate(); } public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException { validate(); oprot.writeStructBegin(STRUCT_DESC); if (this.start_key != null) { if (isSetStart_key()) { oprot.writeFieldBegin(START_KEY_FIELD_DESC); oprot.writeBinary(this.start_key); oprot.writeFieldEnd(); } } if (this.end_key != null) { if (isSetEnd_key()) { oprot.writeFieldBegin(END_KEY_FIELD_DESC); oprot.writeBinary(this.end_key); oprot.writeFieldEnd(); } } if (this.start_token != null) { if (isSetStart_token()) { oprot.writeFieldBegin(START_TOKEN_FIELD_DESC); oprot.writeString(this.start_token); oprot.writeFieldEnd(); } } if (this.end_token != null) { if (isSetEnd_token()) { oprot.writeFieldBegin(END_TOKEN_FIELD_DESC); oprot.writeString(this.end_token); oprot.writeFieldEnd(); } } oprot.writeFieldBegin(COUNT_FIELD_DESC); oprot.writeI32(this.count); oprot.writeFieldEnd(); oprot.writeFieldStop(); oprot.writeStructEnd(); } @Override public String toString() { StringBuilder sb = new StringBuilder("KeyRange("); boolean first = true; if (isSetStart_key()) { sb.append("start_key:"); if (this.start_key == null) { sb.append("null"); } else { org.apache.thrift.TBaseHelper.toString(this.start_key, sb); } first = false; } if (isSetEnd_key()) { if (!first) sb.append(", "); sb.append("end_key:"); if (this.end_key == null) { sb.append("null"); } else { org.apache.thrift.TBaseHelper.toString(this.end_key, sb); } first = false; } if (isSetStart_token()) { if (!first) sb.append(", "); sb.append("start_token:"); if (this.start_token == null) { sb.append("null"); } else { sb.append(this.start_token); } first = false; } if (isSetEnd_token()) { 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("count:"); sb.append(this.count); first = false; sb.append(")"); return sb.toString(); } public void validate() throws org.apache.thrift.TException { // check for required fields // alas, we cannot check 'count' because it's a primitive and you chose the non-beans generator. } }