Examples of org.hibernate.search.filter.FilterKey

org.hibernate.search.filter.FilterKey
The key object must implement equals / hashcode so that 2 keys are equals if and only if the given Filter types are the same and the set of parameters are the same.
The FilterKey creator (ie the @Key method) does not have to inject impl It will be done by Hibernate Search @author Emmanuel Bernard

          def.invoke( entry.getKey(), instance, entry.getValue() );
        }
        if ( def.isCache() && def.getKeyMethod() == null && filterDefinition.getParameters().size() > 0 ) {
          throw new SearchException("Filter with parameters and no @Key method: " + filterDefinition.getName() );
        }
        FilterKey key = null;
        if ( def.isCache() ) {
          if ( def.getKeyMethod() == null ) {
            key = new FilterKey( ) {
              public int hashCode() {
                return getImpl().hashCode();
              }


              public boolean equals(Object obj) {
                if ( ! ( obj instanceof FilterKey ) ) return false;
                FilterKey that = (FilterKey) obj;
                return this.getImpl().equals( that.getImpl() );
              }
            };
          }
          else {
            try {

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     * FilterKey implementations and Filter(Factory) do not have to be threadsafe wrt their parameter injection
     * as FilterCachingStrategy ensure a memory barrier between concurrent thread calls
     */
    FilterDef def = searchFactoryImplementor.getFilterDefinition( fullTextFilter.getName() );
    Object instance = createFilterInstance( fullTextFilter, def );
    FilterKey key = createFilterKey( def, instance );


    // try to get the filter out of the cache
    Filter filter = cacheInstance( def.getCacheMode() ) ?
        searchFactoryImplementor.getFilterCachingStrategy().getCachedFilter( key ) :
        null;

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    return filter;
  }


  private FilterKey createFilterKey(FilterDef def, Object instance) {
    FilterKey key = null;
    if ( !cacheInstance( def.getCacheMode() ) ) {
      return key; // if the filter is not cached there is no key!
    }


    if ( def.getKeyMethod() == null ) {
      key = new FilterKey() {
        public int hashCode() {
          return getImpl().hashCode();
        }


        public boolean equals(Object obj) {
          if ( !( obj instanceof FilterKey ) ) {
            return false;
          }
          FilterKey that = ( FilterKey ) obj;
          return this.getImpl().equals( that.getImpl() );
        }
      };
    }
    else {
      try {

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    if ( isPreQueryFilterOnly( def ) ) {
      return null;
    }


    Object instance = createFilterInstance( fullTextFilter, def );
    FilterKey key = createFilterKey( def, instance );


    // try to get the filter out of the cache
    Filter filter = cacheInstance( def.getCacheMode() ) ?
        searchFactoryImplementor.getFilterCachingStrategy().getCachedFilter( key ) :
        null;

View Full Code Here


    return filter;
  }


  private FilterKey createFilterKey(FilterDef def, Object instance) {
    FilterKey key = null;
    if ( !cacheInstance( def.getCacheMode() ) ) {
      return key; // if the filter is not cached there is no key!
    }


    if ( def.getKeyMethod() == null ) {
      key = new FilterKey() {
        public int hashCode() {
          return getImpl().hashCode();
        }


        public boolean equals(Object obj) {
          if ( !( obj instanceof FilterKey ) ) {
            return false;
          }
          FilterKey that = ( FilterKey ) obj;
          return this.getImpl().equals( that.getImpl() );
        }
      };
    }
    else {
      try {

View Full Code Here

     * FilterKey implementations and Filter(Factory) do not have to be threadsafe wrt their parameter injection
     * as FilterCachingStrategy ensure a memory barrier between concurrent thread calls
     */
    FilterDef def = searchFactoryImplementor.getFilterDefinition( fullTextFilter.getName() );
    Object instance = createFilterInstance(fullTextFilter, def);
    FilterKey key = createFilterKey(def, instance);


    // try to get the filter out of the cache
    Filter filter = cacheInstance( def.getCacheMode() ) ?
        searchFactoryImplementor.getFilterCachingStrategy().getCachedFilter( key ) :
        null;

View Full Code Here


    return filter;
  }


  private FilterKey createFilterKey(FilterDef def, Object instance) {
    FilterKey key = null;
    if ( !cacheInstance( def.getCacheMode() ) ) {
      return key; // if the filter is not cached there is no key!
    }


    if ( def.getKeyMethod() == null ) {
      key = new FilterKey() {
        public int hashCode() {
          return getImpl().hashCode();
        }


        public boolean equals(Object obj) {
          if ( !( obj instanceof FilterKey ) ) return false;
          FilterKey that = (FilterKey) obj;
          return this.getImpl().equals( that.getImpl() );
        }
      };
    }
    else {
      try {

View Full Code Here

    if ( isPreQueryFilterOnly( def ) ) {
      return null;
    }


    Object instance = createFilterInstance( fullTextFilter, def );
    FilterKey key = createFilterKey( def, instance );


    // try to get the filter out of the cache
    Filter filter = cacheInstance( def.getCacheMode() ) ?
        searchFactoryImplementor.getFilterCachingStrategy().getCachedFilter( key ) :
        null;

View Full Code Here


    return filter;
  }


  private FilterKey createFilterKey(FilterDef def, Object instance) {
    FilterKey key = null;
    if ( !cacheInstance( def.getCacheMode() ) ) {
      return key; // if the filter is not cached there is no key!
    }


    if ( def.getKeyMethod() == null ) {
      key = new FilterKey() {
        public int hashCode() {
          return getImpl().hashCode();
        }


        public boolean equals(Object obj) {
          if ( !( obj instanceof FilterKey ) ) {
            return false;
          }
          FilterKey that = ( FilterKey ) obj;
          return this.getImpl().equals( that.getImpl() );
        }
      };
    }
    else {
      try {

View Full Code Here

    if ( isPreQueryFilterOnly( def ) ) {
      return null;
    }


    Object instance = createFilterInstance( fullTextFilter, def );
    FilterKey key = createFilterKey( def, instance );


    // try to get the filter out of the cache
    Filter filter = cacheInstance( def.getCacheMode() ) ?
        searchFactoryImplementor.getFilterCachingStrategy().getCachedFilter( key ) :
        null;

View Full Code Here

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