Examples with SqmCreationProcessingStateImpl org.hibernate.query.sqm.internal.SqmCreationProcessingStateImpl used on opensource projects

Example 1 with SqmCreationProcessingStateImpl

use of org.hibernate.query.sqm.internal.SqmCreationProcessingStateImpl in project hibernate-orm by hibernate.

the class SemanticQueryBuilder method visitInsertStatement.

@Override
public SqmInsertStatement<R> visitInsertStatement(HqlParser.InsertStatementContext ctx) {
    final int dmlTargetIndex;
    if (ctx.getChild(1) instanceof HqlParser.TargetEntityContext) {
        dmlTargetIndex = 1;
    } else {
        dmlTargetIndex = 2;
    }
    final HqlParser.TargetEntityContext dmlTargetContext = (HqlParser.TargetEntityContext) ctx.getChild(dmlTargetIndex);
    final HqlParser.TargetFieldsContext targetFieldsSpecContext = (HqlParser.TargetFieldsContext) ctx.getChild(dmlTargetIndex + 1);
    final SqmRoot<R> root = visitTargetEntity(dmlTargetContext);
    if (root.getReferencedPathSource() instanceof SqmPolymorphicRootDescriptor<?>) {
        throw new SemanticException(String.format("Target type '%s' in insert statement is not an entity", root.getReferencedPathSource().getHibernateEntityName()));
    }
    final HqlParser.QueryExpressionContext queryExpressionContext = ctx.queryExpression();
    if (queryExpressionContext != null) {
        final SqmInsertSelectStatement<R> insertStatement = new SqmInsertSelectStatement<>(root, creationContext.getNodeBuilder());
        parameterCollector = insertStatement;
        final SqmDmlCreationProcessingState processingState = new SqmDmlCreationProcessingState(insertStatement, this);
        processingStateStack.push(processingState);
        try {
            queryExpressionContext.accept(this);
            final SqmCreationProcessingState stateFieldsProcessingState = new SqmCreationProcessingStateImpl(insertStatement, this);
            stateFieldsProcessingState.getPathRegistry().register(root);
            processingStateStack.push(stateFieldsProcessingState);
            try {
                for (HqlParser.SimplePathContext stateFieldCtx : targetFieldsSpecContext.simplePath()) {
                    final SqmPath<?> stateField = (SqmPath<?>) visitSimplePath(stateFieldCtx);
                    // todo : validate each resolved stateField...
                    insertStatement.addInsertTargetStateField(stateField);
                }
            } finally {
                processingStateStack.pop();
            }
            return insertStatement;
        } finally {
            processingStateStack.pop();
        }
    } else {
        final SqmInsertValuesStatement<R> insertStatement = new SqmInsertValuesStatement<>(root, creationContext.getNodeBuilder());
        parameterCollector = insertStatement;
        final SqmDmlCreationProcessingState processingState = new SqmDmlCreationProcessingState(insertStatement, this);
        processingStateStack.push(processingState);
        processingState.getPathRegistry().register(root);
        try {
            final HqlParser.ValuesListContext valuesListContext = ctx.valuesList();
            for (int i = 1; i < valuesListContext.getChildCount(); i += 2) {
                final ParseTree values = valuesListContext.getChild(i);
                final SqmValues sqmValues = new SqmValues();
                for (int j = 1; j < values.getChildCount(); j += 2) {
                    sqmValues.getExpressions().add((SqmExpression<?>) values.getChild(j).accept(this));
                }
                insertStatement.getValuesList().add(sqmValues);
            }
            for (HqlParser.SimplePathContext stateFieldCtx : targetFieldsSpecContext.simplePath()) {
                final SqmPath<?> stateField = (SqmPath<?>) visitSimplePath(stateFieldCtx);
                // todo : validate each resolved stateField...
                insertStatement.addInsertTargetStateField(stateField);
            }
            return insertStatement;
        } finally {
            processingStateStack.pop();
        }
    }
}