ovsdb/src/main/java/org/opendaylight/ovsdb/OpenVswitch.java

   1 /*
   2  * Copyright (C) 2014 EBay Software Foundation
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Authors : Ashwin Raveendran
   9  */
  10 package org.opendaylight.ovsdb;
  11
  12 import com.fasterxml.jackson.annotation.JsonIgnore;
  13 import com.fasterxml.jackson.databind.JsonNode;
  14 import com.google.common.collect.Lists;
  15 import com.google.common.collect.Maps;
  16 import com.google.common.util.concurrent.ListenableFuture;
  17 import org.opendaylight.ovsdb.lib.message.OvsdbRPC;
  18 import org.opendaylight.ovsdb.lib.message.TransactBuilder;
  19 import org.opendaylight.ovsdb.lib.message.operations.ConditionalOperation;
  20 import org.opendaylight.ovsdb.lib.message.operations.Operation;
  21 import org.opendaylight.ovsdb.lib.message.operations.OperationResult;
  22 import org.opendaylight.ovsdb.lib.meta.ColumnSchema;
  23 import org.opendaylight.ovsdb.lib.meta.DatabaseSchema;
  24 import org.opendaylight.ovsdb.lib.meta.TableSchema;
  25 import org.opendaylight.ovsdb.lib.notation.Condition;
  26 import org.opendaylight.ovsdb.lib.notation.Function;
  27
  28 import java.util.ArrayList;
  29 import java.util.List;
  30 import java.util.Map;
  31 import java.util.Queue;
  32 import java.util.concurrent.ExecutorService;
  33
  34
  35 public class OpenVswitch {
  36
  37     ExecutorService executorService;
  38     String schemaName;
  39     OvsdbRPC rpc;
  40     volatile DatabaseSchema schema;
  41     Queue<Throwable> exceptions;
  42
  43     public OpenVswitch(OvsdbRPC rpc, ExecutorService executorService) {
  44         this.rpc = rpc;
  45         this.executorService = executorService;
  46     }
  47
  48     public OpenVswitch() {
  49     }
  50
  51
  52     public void populateSchemaFromDevice() {
  53         final ListenableFuture<JsonNode> fOfSchema = rpc.get_schema(Lists.newArrayList(DatabaseSchema.OPEN_VSWITCH_SCHEMA_NAME));
  54         fOfSchema.addListener(new Runnable() {
  55             @Override
  56             public void run() {
  57                 try {
  58                     JsonNode jsonNode = fOfSchema.get();
  59                     schema =  DatabaseSchema.fromJson(jsonNode);
  60
  61                 } catch (Exception e) {
  62                     exceptions.add(e);
  63                 }
  64             }
  65         }, executorService);
  66     }
  67
  68     public Transaction transact(){
  69         return new Transaction(this);
  70     }
  71
  72     public ListenableFuture<List<OperationResult>> transact(List<Operation> operations) {
  73
  74         //todo, we may not need transactionbuilder if we can have JSON objects
  75         TransactBuilder builder = new TransactBuilder();
  76         for (Operation o : operations) {
  77            builder.addOperation(o);
  78         }
  79
  80         ListenableFuture<List<OperationResult>> transact = rpc.transact(builder);
  81         return transact;
  82     }
  83
  84     public boolean isReady(long timeout) {
  85         //todo implement timeout
  86         return null != schema;
  87     }
  88
  89     public DatabaseSchema schema() {
  90         return schema;
  91     }
  92
  93
  94     public static class Transaction {
  95
  96         private  DatabaseSchema eDatabaseSchema;
  97         OpenVswitch ovs;
  98         ArrayList<Operation> operations = Lists.newArrayList();
  99
 100         public Transaction(OpenVswitch ovs) {
 101             this.ovs = ovs;
 102         }
 103
 104         public Transaction(DatabaseSchema eDatabaseSchema) {
 105             this.eDatabaseSchema = eDatabaseSchema;
 106         }
 107
 108         public Transaction add(Operation operation) {
 109             operations.add(operation);
 110             return this;
 111         }
 112
 113         public List<Operation> build() {
 114             return operations;
 115         }
 116
 117         public ListenableFuture<List<OperationResult>> execute() {
 118             return ovs.transact(operations);
 119         }
 120     }
 121
 122     public static class Update<E extends TableSchema<E>> extends Operation<E> implements ConditionalOperation {
 123
 124         Map<String, Object> row = Maps.newHashMap();
 125         String uuid;
 126         //Where where;
 127         List<Condition> where = Lists.newArrayList();
 128
 129         private String uuidName;
 130
 131         public Update(TableSchema<E> schema) {
 132             super(schema, "update");
 133         }
 134
 135         public Update<E> on(TableSchema schema){
 136             return this;
 137         }
 138
 139         public <T extends TableSchema<T>, D> Update<E> set(ColumnSchema<T, D> columnSchema, D value) {
 140             columnSchema.validate(value);
 141             this.row.put(columnSchema.getName(), value);
 142             return this;
 143         }
 144
 145         public Where where(Condition condition) {
 146             return new Where(this);
 147         }
 148
 149         public String getUuid() {
 150             return uuid;
 151         }
 152
 153         public void setUuid(String uuid) {
 154             this.uuid = uuid;
 155         }
 156
 157         public String getUuidName() {
 158             return uuidName;
 159         }
 160
 161         public void setUuidName(String uuidName) {
 162             this.uuidName = uuidName;
 163         }
 164
 165         public Map<String, Object> getRow() {
 166             return row;
 167         }
 168
 169         public void setRow(Map<String, Object> row) {
 170             this.row = row;
 171         }
 172
 173         @Override
 174         public void addCondition(Condition condition) {
 175             this.where.add(condition);
 176         }
 177
 178         public List<Condition> getWhere() {
 179             return where;
 180         }
 181
 182         public void setWhere(List<Condition> where) {
 183             this.where = where;
 184         }
 185     }
 186
 187
 188     public static class Where {
 189
 190         @JsonIgnore
 191         ConditionalOperation operation;
 192
 193         public Where() { }  public Where(ConditionalOperation operation) {
 194             this.operation = operation;
 195         }
 196
 197         public Where condition(Condition condition) {
 198             operation.addCondition(condition);
 199             return this;
 200         }
 201
 202         public Where condition(ColumnSchema column, Function function, Object value) {
 203             this.condition(new Condition(column.getName(), function, value));
 204             return this;
 205         }
 206
 207         public Where and(ColumnSchema column, Function function, Object value) {
 208             condition(column, function, value);
 209             return this;
 210         }
 211
 212         public Where and(Condition condition) {
 213            condition(condition);
 214             return this;
 215         }
 216
 217         public Operation operation() {
 218             return (Operation) this.operation;
 219         }
 220
 221     }
 222
 223
 224     public static class Operations {
 225         public static Operations op = new Operations();
 226
 227         public <E extends TableSchema<E>> Insert<E> insert(TableSchema<E> schema) {
 228             return new Insert<>(schema);
 229         }
 230
 231         public  <E extends TableSchema<E>> Update<E> update(TableSchema<E> schema) {
 232             return new Update<>(schema);
 233         }
 234     }
 235
 236     public ExecutorService getExecutorService() {
 237         return executorService;
 238     }
 239
 240     public void setExecutorService(ExecutorService executorService) {
 241         this.executorService = executorService;
 242     }
 243
 244     public String getSchemaName() {
 245         return schemaName;
 246     }
 247
 248     public void setSchemaName(String schemaName) {
 249         this.schemaName = schemaName;
 250     }
 251
 252     public OvsdbRPC getRpc() {
 253         return rpc;
 254     }
 255
 256     public void setRpc(OvsdbRPC rpc) {
 257         this.rpc = rpc;
 258     }
 259
 260     public DatabaseSchema getSchema() {
 261         return schema;
 262     }
 263
 264     public void setSchema(DatabaseSchema schema) {
 265         this.schema = schema;
 266     }
 267
 268     public Queue<Throwable> getExceptions() {
 269         return exceptions;
 270     }
 271
 272     public void setExceptions(Queue<Throwable> exceptions) {
 273         this.exceptions = exceptions;
 274     }
 275
 276
 277 }