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,
  30             final Class<T> representation, final int cost) {
  31         this.schemaSourceRepresentation = schemaSourceRepresentation;
  32         this.potentialSchemaSource = PotentialSchemaSource.create(sourceIdentifier, representation, cost);
  33     }
  34
  35     public static <T extends SchemaSourceRepresentation> SettableSchemaProvider<T> createRemote(
  36             final T schemaSourceRepresentation, final Class<T> representation) {
  37         return new SettableSchemaProvider<>(schemaSourceRepresentation, schemaSourceRepresentation.getIdentifier(),
  38                 representation, PotentialSchemaSource.Costs.REMOTE_IO.getValue());
  39     }
  40
  41     public static <T extends SchemaSourceRepresentation> SettableSchemaProvider<T> createImmediate(
  42             final T schemaSourceRepresentation, final Class<T> representation) {
  43         return new SettableSchemaProvider<>(schemaSourceRepresentation, schemaSourceRepresentation.getIdentifier(),
  44                 representation, PotentialSchemaSource.Costs.IMMEDIATE.getValue());
  45     }
  46
  47     @Override
  48     public CheckedFuture<T, SchemaSourceException> getSource(final SourceIdentifier sourceIdentifier) {
  49         return Futures.makeChecked(future, new Function<Exception, SchemaSourceException>() {
  50             @Nullable
  51             @Override
  52             public SchemaSourceException apply(@Nullable final Exception input) {
  53                 return new SchemaSourceException("Failed", input);
  54             }
  55         });
  56     }
  57
  58     public T getSchemaSourceRepresentation() {
  59         return schemaSourceRepresentation;
  60     }
  61
  62     public SourceIdentifier getId() {
  63         return schemaSourceRepresentation.getIdentifier();
  64     }
  65
  66     public void setResult() {
  67         future.set(schemaSourceRepresentation);
  68     }
  69
  70     public void setException(final Throwable ex) {
  71         future.setException(ex);
  72     }
  73
  74     public void register(final SchemaSourceRegistry repo) {
  75         repo.registerSchemaSource(this, potentialSchemaSource);
  76     }
  77 }