Examples with SchemaDescriptor org.neo4j.internal.schema.SchemaDescriptor used on opensource projects

Example 31 with SchemaDescriptor

use of org.neo4j.internal.schema.SchemaDescriptor in project neo4j by neo4j.

the class Operations method constraintDrop.

@Override
public void constraintDrop(SchemaDescriptor schema, ConstraintType type) throws SchemaKernelException {
    ktx.assertOpen();
    Iterator<ConstraintDescriptor> constraints = ktx.schemaRead().constraintsGetForSchema(schema);
    constraints = Iterators.filter(constraint -> constraint.type() == type, constraints);
    if (constraints.hasNext()) {
        ConstraintDescriptor constraint = constraints.next();
        if (!constraints.hasNext()) {
            constraintDrop(constraint);
        } else {
            String schemaDescription = schema.userDescription(token);
            String constraintDescription = constraints.next().userDescription(token);
            throw new DropConstraintFailureException(constraint, new IllegalArgumentException("More than one " + type + " constraint was found with the '" + schemaDescription + "' schema: " + constraintDescription + ", please drop constraint by name instead."));
        }
    } else {
        throw new DropConstraintFailureException(schema, new NoSuchConstraintException(schema, token));
    }
}

Example 32 with SchemaDescriptor

use of org.neo4j.internal.schema.SchemaDescriptor in project neo4j by neo4j.

the class IndexTxStateUpdater method onDeleteUncreated.

// PROPERTY CHANGES
/**
 * Creating an entity with its data in a transaction adds also adds that state to index transaction state (for matching indexes).
 * When deleting an entity this method will delete this state from the index transaction state.
 *
 * @param entity entity that was deleted.
 * @param propertyCursor property cursor for accessing the properties of the entity.
 * @param tokens the entity tokens this entity has.
 */
private void onDeleteUncreated(EntityCursor entity, PropertyCursor propertyCursor, long[] tokens) {
    assert noSchemaChangedInTx();
    entity.properties(propertyCursor);
    MutableIntList propertyKeyList = IntLists.mutable.empty();
    while (propertyCursor.next()) {
        propertyKeyList.add(propertyCursor.propertyKey());
    }
    // Make sure to sort the propertyKeyIds since SchemaMatcher.onMatchingSchema requires it.
    int[] propertyKeyIds = propertyKeyList.toSortedArray();
    Collection<IndexDescriptor> indexes = storageReader.valueIndexesGetRelated(tokens, propertyKeyIds, entity.entityType());
    if (!indexes.isEmpty()) {
        MutableIntObjectMap<Value> materializedProperties = IntObjectMaps.mutable.empty();
        SchemaMatcher.onMatchingSchema(indexes.iterator(), ANY_PROPERTY_KEY, propertyKeyIds, index -> {
            MemoryTracker memoryTracker = read.txState().memoryTracker();
            SchemaDescriptor schema = index.schema();
            Value[] values = getValueTuple(entity, propertyCursor, ANY_PROPERTY_KEY, NO_VALUE, schema.getPropertyIds(), materializedProperties, memoryTracker);
            ValueTuple valueTuple = ValueTuple.of(values);
            memoryTracker.allocateHeap(valueTuple.getShallowSize());
            read.txState().indexDoUpdateEntry(schema, entity.reference(), valueTuple, null);
        });
    }
}

Example 33 with SchemaDescriptor

use of org.neo4j.internal.schema.SchemaDescriptor in project neo4j by neo4j.

the class IndexTxStateUpdater method onPropertyChange.

private void onPropertyChange(EntityCursor entity, PropertyCursor propertyCursor, long[] tokens, int propertyKeyId, int[] existingPropertyKeyIds, Value beforeValue, Value afterValue) {
    assert noSchemaChangedInTx();
    Collection<IndexDescriptor> indexes = storageReader.valueIndexesGetRelated(tokens, propertyKeyId, entity.entityType());
    if (!indexes.isEmpty()) {
        MutableIntObjectMap<Value> materializedProperties = IntObjectMaps.mutable.empty();
        SchemaMatcher.onMatchingSchema(indexes.iterator(), propertyKeyId, existingPropertyKeyIds, index -> {
            MemoryTracker memoryTracker = read.txState().memoryTracker();
            SchemaDescriptor schema = index.schema();
            int[] propertyIds = schema.getPropertyIds();
            Value[] valuesAfter = getValueTuple(entity, propertyCursor, propertyKeyId, afterValue, propertyIds, materializedProperties, memoryTracker);
            // The valuesBefore tuple is just like valuesAfter, except is has the afterValue instead of the beforeValue
            Value[] valuesBefore = Arrays.copyOf(valuesAfter, valuesAfter.length);
            int k = ArrayUtils.indexOf(propertyIds, propertyKeyId);
            valuesBefore[k] = beforeValue;
            indexingService.validateBeforeCommit(index, valuesAfter, entity.reference());
            ValueTuple valuesTupleBefore = ValueTuple.of(valuesBefore);
            ValueTuple valuesTupleAfter = ValueTuple.of(valuesAfter);
            // They are copies and same shallow size
            memoryTracker.allocateHeap(valuesTupleBefore.getShallowSize() * 2);
            read.txState().indexDoUpdateEntry(schema, entity.reference(), valuesTupleBefore, valuesTupleAfter);
        });
    }
}

Example 34 with SchemaDescriptor

use of org.neo4j.internal.schema.SchemaDescriptor in project neo4j by neo4j.

the class IndexTxStateUpdater method onPropertyAdd.

private void onPropertyAdd(EntityCursor entity, PropertyCursor propertyCursor, long[] tokens, int propertyKeyId, int[] existingPropertyKeyIds, Value value) {
    assert noSchemaChangedInTx();
    Collection<IndexDescriptor> indexes = storageReader.valueIndexesGetRelated(tokens, propertyKeyId, entity.entityType());
    if (!indexes.isEmpty()) {
        MutableIntObjectMap<Value> materializedProperties = IntObjectMaps.mutable.empty();
        SchemaMatcher.onMatchingSchema(indexes.iterator(), propertyKeyId, existingPropertyKeyIds, index -> {
            MemoryTracker memoryTracker = read.txState().memoryTracker();
            SchemaDescriptor schema = index.schema();
            Value[] values = getValueTuple(entity, propertyCursor, propertyKeyId, value, schema.getPropertyIds(), materializedProperties, memoryTracker);
            indexingService.validateBeforeCommit(index, values, entity.reference());
            ValueTuple valueTuple = ValueTuple.of(values);
            memoryTracker.allocateHeap(valueTuple.getShallowSize());
            read.txState().indexDoUpdateEntry(schema, entity.reference(), null, valueTuple);
        });
    }
}

Example 35 with SchemaDescriptor

use of org.neo4j.internal.schema.SchemaDescriptor in project neo4j by neo4j.

the class IndexTxStateUpdater method onPropertyRemove.

private void onPropertyRemove(EntityCursor entity, PropertyCursor propertyCursor, long[] tokens, int propertyKeyId, int[] existingPropertyKeyIds, Value value) {
    assert noSchemaChangedInTx();
    Collection<IndexDescriptor> indexes = storageReader.valueIndexesGetRelated(tokens, propertyKeyId, entity.entityType());
    if (!indexes.isEmpty()) {
        MutableIntObjectMap<Value> materializedProperties = IntObjectMaps.mutable.empty();
        SchemaMatcher.onMatchingSchema(indexes.iterator(), propertyKeyId, existingPropertyKeyIds, index -> {
            MemoryTracker memoryTracker = read.txState().memoryTracker();
            SchemaDescriptor schema = index.schema();
            Value[] values = getValueTuple(entity, propertyCursor, propertyKeyId, value, schema.getPropertyIds(), materializedProperties, memoryTracker);
            ValueTuple valueTuple = ValueTuple.of(values);
            memoryTracker.allocateHeap(valueTuple.getShallowSize());
            read.txState().indexDoUpdateEntry(schema, entity.reference(), valueTuple, null);
        });
    }
}