| /* |
| * 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. |
| */ |
| |
| package org.apache.ignite.spi.metric.sql; |
| |
| import java.util.function.Predicate; |
| import org.apache.ignite.internal.GridKernalContext; |
| import org.apache.ignite.internal.IgniteEx; |
| import org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing; |
| import org.apache.ignite.internal.processors.query.h2.SchemaManager; |
| import org.apache.ignite.spi.IgniteSpiAdapter; |
| import org.apache.ignite.spi.IgniteSpiContext; |
| import org.apache.ignite.spi.IgniteSpiException; |
| import org.apache.ignite.spi.metric.MetricExporterSpi; |
| import org.apache.ignite.spi.metric.ReadOnlyMetricManager; |
| import org.apache.ignite.spi.metric.ReadOnlyMetricRegistry; |
| import org.jetbrains.annotations.Nullable; |
| |
| import static org.apache.ignite.internal.processors.query.QueryUtils.SCHEMA_SYS; |
| |
| /** |
| * This SPI implementation exports metrics as SQL views. |
| */ |
| public class SqlViewMetricExporterSpi extends IgniteSpiAdapter implements MetricExporterSpi { |
| /** System view name. */ |
| public static final String SYS_VIEW_NAME = "METRICS"; |
| |
| /** Metric filter. */ |
| private @Nullable Predicate<ReadOnlyMetricRegistry> filter; |
| |
| /** Metric Registry. */ |
| private ReadOnlyMetricManager mreg; |
| |
| /** {@inheritDoc} */ |
| @Override protected void onContextInitialized0(IgniteSpiContext spiCtx) throws IgniteSpiException { |
| GridKernalContext ctx = ((IgniteEx)ignite()).context(); |
| |
| SchemaManager mgr = ((IgniteH2Indexing)ctx.query().getIndexing()).schemaManager(); |
| |
| mgr.createSystemView(SCHEMA_SYS, new MetricRegistryLocalSystemView(ctx, mreg, filter)); |
| |
| if (log.isDebugEnabled()) |
| log.debug(SYS_VIEW_NAME + " SQL view for metrics created."); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void spiStart(@Nullable String igniteInstanceName) throws IgniteSpiException { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void spiStop() throws IgniteSpiException { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void setMetricRegistry(ReadOnlyMetricManager mreg) { |
| this.mreg = mreg; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void setExportFilter(Predicate<ReadOnlyMetricRegistry> filter) { |
| this.filter = filter; |
| } |
| |
| } |