Java tutorial
/** * Autogenerated by Thrift Compiler (0.7.0) * * 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; /** * Dep(endencies) indicate the operations that should appear before a * given value or values in each datacenter. * These are only used on the write path and will be the same for * all parts of a write. They should be included in each write call. * * @param locator_key the key to send a dep_check on this dependency to. For insert, it's simply the key. For put-transactions it's the coordinator key. * @timestamp the timestamp of the earlier operation, this uniquely identifies it */ public class Dep implements org.apache.thrift.TBase<Dep, Dep._Fields>, java.io.Serializable, Cloneable { private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct( "Dep"); private static final org.apache.thrift.protocol.TField LOCATOR_KEY_FIELD_DESC = new org.apache.thrift.protocol.TField( "locator_key", org.apache.thrift.protocol.TType.STRING, (short) 1); private static final org.apache.thrift.protocol.TField TIMESTAMP_FIELD_DESC = new org.apache.thrift.protocol.TField( "timestamp", org.apache.thrift.protocol.TType.I64, (short) 2); public ByteBuffer locator_key; // required public long timestamp; // 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 { LOCATOR_KEY((short) 1, "locator_key"), TIMESTAMP((short) 2, "timestamp"); 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: // LOCATOR_KEY return LOCATOR_KEY; case 2: // TIMESTAMP return TIMESTAMP; 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 __TIMESTAMP_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.LOCATOR_KEY, new org.apache.thrift.meta_data.FieldMetaData("locator_key", org.apache.thrift.TFieldRequirementType.REQUIRED, new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING, true))); tmpMap.put(_Fields.TIMESTAMP, new org.apache.thrift.meta_data.FieldMetaData("timestamp", 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(Dep.class, metaDataMap); } public Dep() { } public Dep(ByteBuffer locator_key, long timestamp) { this(); this.locator_key = locator_key; this.timestamp = timestamp; setTimestampIsSet(true); } /** * Performs a deep copy on <i>other</i>. */ public Dep(Dep other) { __isset_bit_vector.clear(); __isset_bit_vector.or(other.__isset_bit_vector); if (other.isSetLocator_key()) { this.locator_key = org.apache.thrift.TBaseHelper.copyBinary(other.locator_key); ; } this.timestamp = other.timestamp; } public Dep deepCopy() { return new Dep(this); } @Override public void clear() { this.locator_key = null; setTimestampIsSet(false); this.timestamp = 0; } public byte[] getLocator_key() { setLocator_key(org.apache.thrift.TBaseHelper.rightSize(locator_key)); return locator_key == null ? null : locator_key.array(); } public ByteBuffer bufferForLocator_key() { return locator_key; } public Dep setLocator_key(byte[] locator_key) { setLocator_key(locator_key == null ? (ByteBuffer) null : ByteBuffer.wrap(locator_key)); return this; } public Dep setLocator_key(ByteBuffer locator_key) { this.locator_key = locator_key; return this; } public void unsetLocator_key() { this.locator_key = null; } /** Returns true if field locator_key is set (has been assigned a value) and false otherwise */ public boolean isSetLocator_key() { return this.locator_key != null; } public void setLocator_keyIsSet(boolean value) { if (!value) { this.locator_key = null; } } public long getTimestamp() { return this.timestamp; } public Dep setTimestamp(long timestamp) { this.timestamp = timestamp; setTimestampIsSet(true); return this; } public void unsetTimestamp() { __isset_bit_vector.clear(__TIMESTAMP_ISSET_ID); } /** Returns true if field timestamp is set (has been assigned a value) and false otherwise */ public boolean isSetTimestamp() { return __isset_bit_vector.get(__TIMESTAMP_ISSET_ID); } public void setTimestampIsSet(boolean value) { __isset_bit_vector.set(__TIMESTAMP_ISSET_ID, value); } public void setFieldValue(_Fields field, Object value) { switch (field) { case LOCATOR_KEY: if (value == null) { unsetLocator_key(); } else { setLocator_key((ByteBuffer) value); } break; case TIMESTAMP: if (value == null) { unsetTimestamp(); } else { setTimestamp((Long) value); } break; } } public Object getFieldValue(_Fields field) { switch (field) { case LOCATOR_KEY: return getLocator_key(); case TIMESTAMP: return Long.valueOf(getTimestamp()); } 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 LOCATOR_KEY: return isSetLocator_key(); case TIMESTAMP: return isSetTimestamp(); } throw new IllegalStateException(); } @Override public boolean equals(Object that) { if (that == null) return false; if (that instanceof Dep) return this.equals((Dep) that); return false; } public boolean equals(Dep that) { if (that == null) return false; boolean this_present_locator_key = true && this.isSetLocator_key(); boolean that_present_locator_key = true && that.isSetLocator_key(); if (this_present_locator_key || that_present_locator_key) { if (!(this_present_locator_key && that_present_locator_key)) return false; if (!this.locator_key.equals(that.locator_key)) return false; } boolean this_present_timestamp = true; boolean that_present_timestamp = true; if (this_present_timestamp || that_present_timestamp) { if (!(this_present_timestamp && that_present_timestamp)) return false; if (this.timestamp != that.timestamp) return false; } return true; } @Override public int hashCode() { HashCodeBuilder builder = new HashCodeBuilder(); boolean present_locator_key = true && (isSetLocator_key()); builder.append(present_locator_key); if (present_locator_key) builder.append(locator_key); boolean present_timestamp = true; builder.append(present_timestamp); if (present_timestamp) builder.append(timestamp); return builder.toHashCode(); } public int compareTo(Dep other) { if (!getClass().equals(other.getClass())) { return getClass().getName().compareTo(other.getClass().getName()); } int lastComparison = 0; Dep typedOther = (Dep) other; lastComparison = Boolean.valueOf(isSetLocator_key()).compareTo(typedOther.isSetLocator_key()); if (lastComparison != 0) { return lastComparison; } if (isSetLocator_key()) { lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.locator_key, typedOther.locator_key); if (lastComparison != 0) { return lastComparison; } } lastComparison = Boolean.valueOf(isSetTimestamp()).compareTo(typedOther.isSetTimestamp()); if (lastComparison != 0) { return lastComparison; } if (isSetTimestamp()) { lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.timestamp, typedOther.timestamp); 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: // LOCATOR_KEY if (field.type == org.apache.thrift.protocol.TType.STRING) { this.locator_key = iprot.readBinary(); } else { org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type); } break; case 2: // TIMESTAMP if (field.type == org.apache.thrift.protocol.TType.I64) { this.timestamp = iprot.readI64(); setTimestampIsSet(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 (!isSetTimestamp()) { throw new org.apache.thrift.protocol.TProtocolException( "Required field 'timestamp' 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.locator_key != null) { oprot.writeFieldBegin(LOCATOR_KEY_FIELD_DESC); oprot.writeBinary(this.locator_key); oprot.writeFieldEnd(); } oprot.writeFieldBegin(TIMESTAMP_FIELD_DESC); oprot.writeI64(this.timestamp); oprot.writeFieldEnd(); oprot.writeFieldStop(); oprot.writeStructEnd(); } @Override public String toString() { StringBuilder sb = new StringBuilder("Dep("); boolean first = true; sb.append("locator_key:"); if (this.locator_key == null) { sb.append("null"); } else { org.apache.thrift.TBaseHelper.toString(this.locator_key, sb); } first = false; if (!first) sb.append(", "); sb.append("timestamp:"); sb.append(this.timestamp); first = false; sb.append(")"); return sb.toString(); } public void validate() throws org.apache.thrift.TException { // check for required fields if (locator_key == null) { throw new org.apache.thrift.protocol.TProtocolException( "Required field 'locator_key' was not present! Struct: " + toString()); } // alas, we cannot check 'timestamp' because it's a primitive and you chose the non-beans generator. } 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_bit_vector = new BitSet(1); 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); } } }