yang/yang-parser-impl/src/test/java/org/opendaylight/yangtools/yang/parser/repo/SettableSchemaProvider.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   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
   9 package org.opendaylight.yangtools.yang.parser.repo;
  10
  11 import com.google.common.base.Function;
  12 import com.google.common.util.concurrent.CheckedFuture;
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.SettableFuture;
  15 import javax.annotation.Nullable;
  16 import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceException;
  17 import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceRepresentation;
  18 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
  19 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
  20 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceProvider;
  21 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
  22
  23 class SettableSchemaProvider<T extends SchemaSourceRepresentation> implements SchemaSourceProvider<T> {
  24
  25     private final SettableFuture<T> future = SettableFuture.create();
  26     private final T schemaSourceRepresentation;
  27     private final PotentialSchemaSource<T> potentialSchemaSource;
  28
  29     SettableSchemaProvider(final T schemaSourceRepresentation, final SourceIdentifier sourceIdentifier, final Class<T> representation, final int cost) {
  30         this.schemaSourceRepresentation = schemaSourceRepresentation;
  31         this.potentialSchemaSource = PotentialSchemaSource.create(sourceIdentifier, representation, cost);
  32     }
  33
  34     public static <T extends SchemaSourceRepresentation> SettableSchemaProvider<T> createRemote(final T schemaSourceRepresentation, final Class<T> representation) {
  35         return new SettableSchemaProvider<>(schemaSourceRepresentation, schemaSourceRepresentation.getIdentifier(), representation, PotentialSchemaSource.Costs.REMOTE_IO.getValue());
  36     }
  37
  38     public static <T extends SchemaSourceRepresentation> SettableSchemaProvider<T> createImmediate(final T schemaSourceRepresentation, final Class<T> representation) {
  39         return new SettableSchemaProvider<>(schemaSourceRepresentation, schemaSourceRepresentation.getIdentifier(), representation, PotentialSchemaSource.Costs.IMMEDIATE.getValue());
  40     }
  41
  42     @Override
  43     public CheckedFuture<T, SchemaSourceException> getSource(final SourceIdentifier sourceIdentifier) {
  44         return Futures.makeChecked(future, new Function<Exception, SchemaSourceException>() {
  45             @Nullable
  46             @Override
  47             public SchemaSourceException apply(@Nullable final Exception input) {
  48                 return new SchemaSourceException("Failed", input);
  49             }
  50         });
  51     }
  52
  53     public T getSchemaSourceRepresentation() {
  54         return schemaSourceRepresentation;
  55     }
  56
  57     public SourceIdentifier getId() {
  58         return schemaSourceRepresentation.getIdentifier();
  59     }
  60
  61     public void setResult() {
  62         future.set(schemaSourceRepresentation);
  63     }
  64     public void setException(final Throwable ex) {
  65         future.setException(ex);
  66     }
  67
  68     public void register(final SchemaSourceRegistry repo) {
  69         repo.registerSchemaSource(this, potentialSchemaSource);
  70     }
  71 }