Examples of org.springframework.transaction.support.TransactionCallback

Package org.springframework.transaction.support

Examples of org.springframework.transaction.support.TransactionCallback

org.springframework.transaction.support.TransactionCallback
Callback interface for transactional code. Used with {@link TransactionTemplate}'s execute method, often as anonymous class within a method implementation.
Typically used to assemble various calls to transaction-unaware data access services into a higher-level service method with transaction demarcation. As an alternative, consider the use of declarative transaction demarcation (e.g. through Spring's {@link org.springframework.transaction.annotation.Transactional} annotation). @author Juergen Hoeller @since 17.03.2003 @see TransactionTemplate @see CallbackPreferringPlatformTransactionManager


        TransactionTemplate transactionTemplate = new TransactionTemplate();
        transactionTemplate.setTransactionManager(new JpaTransactionManager(jpaTemplate.getEntityManagerFactory()));
        transactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);


        transactionTemplate.execute(new TransactionCallback() {
            public Object doInTransaction(TransactionStatus arg0) {
                List list = jpaTemplate.find(SELECT_ALL_STRING);
                for (Object item : list) {
                    jpaTemplate.remove(item);
                }

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                } catch (InterruptedException e) {
                    LOG.debug("Caught: " + e, e);
                }
            }
            try {
                transactionTemplate.execute(new TransactionCallback() {
                    public Object doInTransaction(TransactionStatus status) {
                        try {
                            Object key = getCorrelationKey(exchange);


                            T entity = loadEntity(exchange, key);

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    @ManagedOperation(description = "Adds the key to the store")
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public boolean add(final String messageId) {
        // Run this in single transaction.
        Boolean rc = (Boolean)transactionTemplate.execute(new TransactionCallback() {
            public Object doInTransaction(TransactionStatus status) {
                int count = jdbcTemplate.queryForInt(QUERY_STRING, processorName, messageId);
                if (count == 0) {
                    jdbcTemplate.update(INSERT_STRING, processorName, messageId);
                    return Boolean.TRUE;

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    @ManagedOperation(description = "Does the store contain the given key")
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public boolean contains(final String messageId) {
        // Run this in single transaction.
        Boolean rc = (Boolean)transactionTemplate.execute(new TransactionCallback() {
            public Object doInTransaction(TransactionStatus status) {
                int count = jdbcTemplate.queryForInt(QUERY_STRING, processorName, messageId);
                if (count == 0) {
                    return Boolean.FALSE;
                } else {

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    }


    @ManagedOperation(description = "Remove the key from the store")
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public boolean remove(final String messageId) {
        Boolean rc = (Boolean)transactionTemplate.execute(new TransactionCallback() {
            public Object doInTransaction(TransactionStatus status) {
                int updateCount = jdbcTemplate.update(DELETE_STRING, processorName, messageId);
                if (updateCount == 0) {
                    return Boolean.FALSE;
                } else {

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        jdbcTemplate = new JdbcTemplate(dataSource);
    }


    @SuppressWarnings("unchecked")
    public Exchange add(final CamelContext camelContext, final String correlationId, final Exchange exchange) {
        return (Exchange) transactionTemplate.execute(new TransactionCallback() {


            public Exchange doInTransaction(TransactionStatus status) {
                String sql;
                Exchange result = null;
                final String key = correlationId;

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        return result;
    }


    @SuppressWarnings("unchecked")
    private Exchange get(final String key, final String repositoryName, final CamelContext camelContext) {
        return (Exchange) transactionTemplateReadOnly.execute(new TransactionCallback() {
            public Exchange doInTransaction(TransactionStatus status) {
                try {
                    final byte[] data = jdbcTemplate.queryForObject(
                            "SELECT " + EXCHANGE + " FROM " + repositoryName + " WHERE " + ID + " = ?",
                            new Object[]{key}, byte[].class);

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        });
    }


    @SuppressWarnings("unchecked")
    public Set<String> getKeys() {
        return (LinkedHashSet<String>) transactionTemplateReadOnly.execute(new TransactionCallback() {
            public LinkedHashSet<String> doInTransaction(TransactionStatus status) {
                List<String> keys = jdbcTemplate.query("SELECT " + ID + " FROM " + getRepositoryName(),
                        new RowMapper<String>() {
                            public String mapRow(ResultSet rs, int rowNum) throws SQLException {
                                String id = rs.getString(ID);

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        });
    }


    @SuppressWarnings("unchecked")
    public Set<String> scan(CamelContext camelContext) {
        return (LinkedHashSet<String>) transactionTemplateReadOnly.execute(new TransactionCallback() {
            public LinkedHashSet<String> doInTransaction(TransactionStatus status) {
                List<String> keys = jdbcTemplate.query("SELECT " + ID + " FROM " + getRepositoryNameCompleted(),
                        new RowMapper<String>() {
                            public String mapRow(ResultSet rs, int rowNum) throws SQLException {
                                String id = rs.getString(ID);

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        TransactionTemplate transactionTemplate = new TransactionTemplate();
        transactionTemplate.setTransactionManager(new JpaTransactionManager(jpaTemplate.getEntityManagerFactory()));
        transactionTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);


        transactionTemplate.execute(new TransactionCallback() {
            public Object doInTransaction(TransactionStatus arg0) {
                List list = jpaTemplate.find(SELECT_ALL_STRING);
                for (Object item : list) {
                    jpaTemplate.remove(item);
                }

View Full Code Here

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