/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.operation.reference.sys;
import com.google.common.base.Function;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import io.crate.metadata.*;
import io.crate.metadata.doc.DocSysColumns;
import io.crate.metadata.expressions.RowCollectExpressionFactory;
import io.crate.metadata.information.*;
import io.crate.metadata.pg_catalog.PgCatalogTables;
import io.crate.metadata.pg_catalog.PgTypeTable;
import io.crate.metadata.sys.*;
import io.crate.operation.collect.files.SummitsContext;
import io.crate.operation.reference.ReferenceResolver;
import io.crate.operation.reference.information.InformationSchemaExpressionFactories;
import io.crate.operation.reference.sys.check.SysCheck;
import io.crate.operation.reference.sys.check.node.SysNodeCheck;
import io.crate.operation.reference.sys.job.JobContext;
import io.crate.operation.reference.sys.job.JobContextLog;
import io.crate.operation.reference.sys.node.SysNodesExpressionFactories;
import io.crate.operation.reference.sys.operation.OperationContext;
import io.crate.operation.reference.sys.operation.OperationContextLog;
import io.crate.operation.reference.sys.shard.unassigned.UnassignedShardsExpressionFactories;
import io.crate.operation.reference.sys.snapshot.SysSnapshot;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.common.inject.Singleton;
import org.elasticsearch.common.lucene.BytesRefs;
import org.elasticsearch.repositories.Repository;
import javax.annotation.Nullable;
import java.util.HashMap;
import java.util.Map;
@Singleton
public class RowContextReferenceResolver implements ReferenceResolver<RowCollectExpression<?, ?>> {
public static final RowContextReferenceResolver INSTANCE = new RowContextReferenceResolver();
private final Map<TableIdent, Map<ColumnIdent, ? extends RowCollectExpressionFactory>> tableFactories = new HashMap<>();
/**
* This is a singleton Use the static INSTANCE attribute
*/
private RowContextReferenceResolver() {
tableFactories.put(SysJobsTableInfo.IDENT, getSysJobsExpressions());
tableFactories.put(SysJobsLogTableInfo.IDENT, getSysJobsLogExpressions());
tableFactories.put(SysOperationsTableInfo.IDENT, getSysOperationExpressions());
tableFactories.put(SysOperationsLogTableInfo.IDENT, getSysOperationLogExpressions());
tableFactories.put(SysChecksTableInfo.IDENT, getSysChecksExpressions());
tableFactories.put(SysNodeChecksTableInfo.IDENT, getSysNodeChecksExpressions());
tableFactories.put(SysRepositoriesTableInfo.IDENT, getSysRepositoriesExpressions());
tableFactories.put(SysSnapshotsTableInfo.IDENT, getSysSnapshotsExpressions());
tableFactories.put(SysSummitsTableInfo.IDENT, getSummitsExpressions());
tableFactories.put(InformationSchemataTableInfo.IDENT, InformationSchemaExpressionFactories.schemataFactories());
tableFactories.put(InformationRoutinesTableInfo.IDENT, InformationSchemaExpressionFactories.routineFactories());
tableFactories.put(InformationTableConstraintsTableInfo.IDENT, InformationSchemaExpressionFactories.tableConstraintFactories());
tableFactories.put(InformationPartitionsTableInfo.IDENT, InformationSchemaExpressionFactories.tablePartitionsFactories());
tableFactories.put(InformationColumnsTableInfo.IDENT, InformationSchemaExpressionFactories.columnsFactories());
tableFactories.put(InformationTablesTableInfo.IDENT, InformationSchemaExpressionFactories.tablesFactories());
tableFactories.put(InformationSqlFeaturesTableInfo.IDENT, InformationSchemaExpressionFactories.sqlFeaturesFactories());
tableFactories.put(SysNodesTableInfo.IDENT, SysNodesExpressionFactories.getNodeStatsContextExpressions());
tableFactories.put(SysShardsTableInfo.IDENT, UnassignedShardsExpressionFactories.getSysShardsTableInfoFactories());
tableFactories.put(PgTypeTable.IDENT, PgCatalogTables.pgTypeExpressions());
}
private Map<ColumnIdent, RowCollectExpressionFactory> getSysOperationLogExpressions() {
return ImmutableMap.<ColumnIdent, RowCollectExpressionFactory>builder()
.put(SysOperationsLogTableInfo.Columns.ID, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContextLog, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.id());
}
};
}
})
.put(SysOperationsLogTableInfo.Columns.JOB_ID, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContextLog, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.jobId());
}
};
}
})
.put(SysOperationsLogTableInfo.Columns.NAME, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContextLog, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.name());
}
};
}
})
.put(SysOperationsLogTableInfo.Columns.STARTED, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContextLog, Long>() {
@Override
public Long value() {
return row.started();
}
};
}
})
.put(SysOperationsLogTableInfo.Columns.USED_BYTES, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContextLog, Long>() {
@Override
public Long value() {
long usedBytes = row.usedBytes();
if (usedBytes == 0) {
return null;
}
return usedBytes;
}
};
}
})
.put(SysOperationsLogTableInfo.Columns.ERROR, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContextLog, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.errorMessage());
}
};
}
})
.put(SysOperationsLogTableInfo.Columns.ENDED, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContextLog, Long>() {
@Override
public Long value() {
return row.ended();
}
};
}
})
.build();
}
private Map<ColumnIdent, RowCollectExpressionFactory> getSysOperationExpressions() {
return ImmutableMap.<ColumnIdent, RowCollectExpressionFactory>builder()
.put(SysOperationsTableInfo.Columns.ID, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContext, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.id);
}
};
}
})
.put(SysOperationsTableInfo.Columns.JOB_ID, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContext, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.jobId);
}
};
}
})
.put(SysOperationsTableInfo.Columns.NAME, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContext, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.name);
}
};
}
})
.put(SysOperationsTableInfo.Columns.STARTED, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContext, Long>() {
@Override
public Long value() {
return row.started;
}
};
}
})
.put(SysOperationsTableInfo.Columns.USED_BYTES, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<OperationContext, Long>() {
@Override
public Long value() {
if (row.usedBytes == 0) {
return null;
}
return row.usedBytes;
}
};
}
})
.build();
}
private ImmutableMap<ColumnIdent, RowCollectExpressionFactory> getSysJobsLogExpressions() {
return ImmutableMap.<ColumnIdent, RowCollectExpressionFactory>builder()
.put(SysJobsLogTableInfo.Columns.ID, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<JobContextLog, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.id().toString());
}
};
}
})
.put(SysJobsLogTableInfo.Columns.STMT, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<JobContextLog, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.statement());
}
};
}
})
.put(SysJobsLogTableInfo.Columns.STARTED, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<JobContextLog, Long>() {
@Override
public Long value() {
return row.started();
}
};
}
})
.put(SysJobsLogTableInfo.Columns.ENDED, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<JobContextLog, Long>() {
@Override
public Long value() {
return row.ended();
}
};
}
})
.put(SysJobsLogTableInfo.Columns.ERROR, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<JobContextLog, BytesRef>() {
@Override
public BytesRef value() {
String err = row.errorMessage();
if (err == null) {
return null;
}
return new BytesRef(err);
}
};
}
})
.build();
}
private ImmutableMap<ColumnIdent, RowCollectExpressionFactory> getSysJobsExpressions() {
return ImmutableMap.<ColumnIdent, RowCollectExpressionFactory>builder()
.put(SysJobsTableInfo.Columns.ID, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<JobContext, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.id);
}
};
}
})
.put(SysJobsTableInfo.Columns.STMT, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<JobContext, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.stmt);
}
};
}
})
.put(SysJobsTableInfo.Columns.STARTED, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<JobContext, Long>() {
@Override
public Long value() {
return row.started;
}
};
}
})
.build();
}
private ImmutableMap<ColumnIdent, RowCollectExpressionFactory> getSysChecksExpressions() {
return ImmutableMap.<ColumnIdent, RowCollectExpressionFactory>builder()
.put(SysChecksTableInfo.Columns.ID, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysCheck, Integer>() {
@Override
public Integer value() {
return row.id();
}
};
}
})
.put(SysChecksTableInfo.Columns.DESCRIPTION, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysCheck, BytesRef>() {
@Override
public BytesRef value() {
return row.description();
}
};
}
})
.put(SysChecksTableInfo.Columns.SEVERITY, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysCheck, Integer>() {
@Override
public Integer value() {
return row.severity().value();
}
};
}
})
.put(SysChecksTableInfo.Columns.PASSED, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysCheck, Boolean>() {
@Override
public Boolean value() {
return row.validate();
}
};
}
})
.build();
}
private ImmutableMap<ColumnIdent, RowCollectExpressionFactory> getSysNodeChecksExpressions() {
return ImmutableMap.<ColumnIdent, RowCollectExpressionFactory>builder()
.put(SysNodeChecksTableInfo.Columns.ID, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysNodeCheck, Integer>() {
@Override
public Integer value() {
return row.id();
}
};
}
})
.put(SysNodeChecksTableInfo.Columns.NODE_ID, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysNodeCheck, BytesRef>() {
@Override
public BytesRef value() {
return row.nodeId();
}
};
}
})
.put(SysNodeChecksTableInfo.Columns.DESCRIPTION, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysNodeCheck, BytesRef>() {
@Override
public BytesRef value() {
return row.description();
}
};
}
})
.put(SysNodeChecksTableInfo.Columns.SEVERITY, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysNodeCheck, Integer>() {
@Override
public Integer value() {
return row.severity().value();
}
};
}
})
.put(SysNodeChecksTableInfo.Columns.PASSED, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysNodeCheck, Boolean>() {
@Override
public Boolean value() {
return row.validate();
}
};
}
})
.put(SysNodeChecksTableInfo.Columns.ACKNOWLEDGED, () -> new RowContextCollectorExpression<SysNodeCheck, Boolean>() {
@Override
public Boolean value() {
return row.acknowledged();
}
})
.put(DocSysColumns.ID, () -> new RowContextCollectorExpression<SysNodeCheck, BytesRef>() {
@Override
public BytesRef value() {
return row.rowId();
}
})
.build();
}
private ImmutableMap<ColumnIdent, RowCollectExpressionFactory> getSysRepositoriesExpressions() {
return ImmutableMap.<ColumnIdent, RowCollectExpressionFactory>builder()
.put(SysRepositoriesTableInfo.Columns.NAME, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<Repository, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.getMetadata().name());
}
};
}
})
.put(SysRepositoriesTableInfo.Columns.TYPE, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<Repository, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.getMetadata().type());
}
};
}
})
.put(SysRepositoriesTableInfo.Columns.SETTINGS, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<Repository, Map<String, Object>>() {
@Override
public Map<String, Object> value() {
return row.getMetadata().settings().getAsStructuredMap();
}
};
}
})
.build();
}
private ImmutableMap<ColumnIdent, RowCollectExpressionFactory> getSysSnapshotsExpressions() {
return ImmutableMap.<ColumnIdent, RowCollectExpressionFactory>builder()
.put(SysSnapshotsTableInfo.Columns.NAME, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysSnapshot, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.name());
}
};
}
})
.put(SysSnapshotsTableInfo.Columns.REPOSITORY, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysSnapshot, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.repository());
}
};
}
})
.put(SysSnapshotsTableInfo.Columns.CONCRETE_INDICES, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysSnapshot, BytesRef[]>() {
@Override
public BytesRef[] value() {
return Lists.transform(row.concreteIndices(), new Function<String, BytesRef>() {
@Nullable
@Override
public BytesRef apply(String input) {
if (input == null) {
return null;
}
return new BytesRef(input);
}
}).toArray(new BytesRef[row.concreteIndices().size()]);
}
};
}
})
.put(SysSnapshotsTableInfo.Columns.STARTED, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysSnapshot, Long>() {
@Override
public Long value() {
return row.started();
}
};
}
})
.put(SysSnapshotsTableInfo.Columns.FINISHED, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysSnapshot, Long>() {
@Override
public Long value() {
return row.finished();
}
};
}
})
.put(SysSnapshotsTableInfo.Columns.VERSION, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysSnapshot, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.version());
}
};
}
})
.put(SysSnapshotsTableInfo.Columns.STATE, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SysSnapshot, BytesRef>() {
@Override
public BytesRef value() {
return new BytesRef(row.state());
}
};
}
})
.build();
}
private static Map<ColumnIdent, RowCollectExpressionFactory> getSummitsExpressions() {
return ImmutableMap.<ColumnIdent, RowCollectExpressionFactory>builder()
.put(SysSummitsTableInfo.Columns.MOUNTAIN, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SummitsContext, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.mountain);
}
};
}
})
.put(SysSummitsTableInfo.Columns.HEIGHT, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SummitsContext, Integer>() {
@Override
public Integer value() {
return row.height;
}
};
}
})
.put(SysSummitsTableInfo.Columns.PROMINENCE, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SummitsContext, Integer>() {
@Override
public Integer value() {
return row.prominence;
}
};
}
})
.put(SysSummitsTableInfo.Columns.COORDINATES, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SummitsContext, Double[]>() {
@Override
public Double[] value() {
return row.coordinates;
}
};
}
})
.put(SysSummitsTableInfo.Columns.RANGE, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SummitsContext, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.range);
}
};
}
})
.put(SysSummitsTableInfo.Columns.CLASSIFICATION, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SummitsContext, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.classification);
}
};
}
})
.put(SysSummitsTableInfo.Columns.REGION, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SummitsContext, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.region);
}
};
}
})
.put(SysSummitsTableInfo.Columns.COUNTRY, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SummitsContext, BytesRef>() {
@Override
public BytesRef value() {
return BytesRefs.toBytesRef(row.country);
}
};
}
})
.put(SysSummitsTableInfo.Columns.FIRST_ASCENT, new RowCollectExpressionFactory() {
@Override
public RowCollectExpression create() {
return new RowContextCollectorExpression<SummitsContext, Integer>() {
@Override
public Integer value() {
return row.firstAscent;
}
};
}
}).build();
}
@Override
public RowCollectExpression<?, ?> getImplementation(Reference refInfo) {
return rowCollectExpressionFromFactoryMap(tableFactories, refInfo);
}
private static RowCollectExpression<?, ?> rowCollectExpressionFromFactoryMap(
Map<TableIdent, Map<ColumnIdent, ? extends RowCollectExpressionFactory>> factoryMap,
Reference info) {
Map<ColumnIdent, ? extends RowCollectExpressionFactory> innerFactories = factoryMap.get(info.ident().tableIdent());
if (innerFactories == null) {
return null;
}
ColumnIdent columnIdent = info.ident().columnIdent();
RowCollectExpressionFactory factory = innerFactories.get(columnIdent);
if (factory != null) {
return factory.create();
}
if (columnIdent.isColumn()) {
return null;
}
return getImplementationByRootTraversal(innerFactories, columnIdent);
}
private static RowCollectExpression<?, ?> getImplementationByRootTraversal(
Map<ColumnIdent, ? extends RowCollectExpressionFactory> innerFactories,
ColumnIdent columnIdent) {
RowCollectExpressionFactory factory = innerFactories.get(columnIdent.getRoot());
if (factory == null) {
return null;
}
ReferenceImplementation referenceImplementation = factory.create();
for (String part : columnIdent.path()) {
referenceImplementation = referenceImplementation.getChildImplementation(part);
if (referenceImplementation == null) {
return null;
}
}
return (RowCollectExpression<?, ?>) referenceImplementation;
}
}