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Apache Commons DBCP software implements Database Connection Pooling
/*
* 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.commons.dbcp2;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Arrays;
import org.apache.commons.dbcp2.PoolingConnection.StatementType;
/**
* A key uniquely identifying {@link java.sql.PreparedStatement PreparedStatement}s.
*
* @since 2.0
*/
public class PStmtKey {
/**
* Builder for prepareCall(String sql).
*/
private class PreparedCallSQL implements StatementBuilder {
@Override
public Statement createStatement(final Connection connection) throws SQLException {
return connection.prepareCall(sql);
}
}
/**
* Builder for prepareCall(String sql, int resultSetType, int resultSetConcurrency).
*/
private class PreparedCallWithResultSetConcurrency implements StatementBuilder {
@Override
public Statement createStatement(final Connection connection) throws SQLException {
return connection.prepareCall(sql, resultSetType.intValue(), resultSetConcurrency.intValue());
}
}
/**
* Builder for prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability).
*/
private class PreparedCallWithResultSetHoldability implements StatementBuilder {
@Override
public Statement createStatement(final Connection connection) throws SQLException {
return connection.prepareCall(sql, resultSetType.intValue(), resultSetConcurrency.intValue(),
resultSetHoldability.intValue());
}
}
/**
* Builder for prepareStatement(String sql).
*/
private class PreparedStatementSQL implements StatementBuilder {
@Override
public Statement createStatement(final Connection connection) throws SQLException {
return connection.prepareStatement(sql);
}
}
/**
* Builder for prepareStatement(String sql, int autoGeneratedKeys).
*/
private class PreparedStatementWithAutoGeneratedKeys implements StatementBuilder {
@Override
public Statement createStatement(final Connection connection) throws SQLException {
return connection.prepareStatement(sql, autoGeneratedKeys.intValue());
}
}
/**
* Builder for prepareStatement(String sql, int[] columnIndexes).
*/
private class PreparedStatementWithColumnIndexes implements StatementBuilder {
@Override
public Statement createStatement(final Connection connection) throws SQLException {
return connection.prepareStatement(sql, columnIndexes);
}
}
/**
* Builder for prepareStatement(String sql, String[] columnNames).
*/
private class PreparedStatementWithColumnNames implements StatementBuilder {
@Override
public Statement createStatement(final Connection connection) throws SQLException {
return connection.prepareStatement(sql, columnNames);
}
}
/**
* Builder for prepareStatement(String sql, int resultSetType, int resultSetConcurrency).
*/
private class PreparedStatementWithResultSetConcurrency implements StatementBuilder {
@Override
public Statement createStatement(final Connection connection) throws SQLException {
return connection.prepareStatement(sql, resultSetType.intValue(), resultSetConcurrency.intValue());
}
}
/**
* Builder for prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability).
*/
private class PreparedStatementWithResultSetHoldability implements StatementBuilder {
@Override
public Statement createStatement(final Connection connection) throws SQLException {
return connection.prepareStatement(sql, resultSetType.intValue(), resultSetConcurrency.intValue(),
resultSetHoldability.intValue());
}
}
/**
* Interface for Prepared or Callable Statement.
*/
private interface StatementBuilder {
Statement createStatement(Connection connection) throws SQLException;
}
/**
* SQL defining Prepared or Callable Statement
*/
private final String sql;
/**
* Result set type; one of ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
* or ResultSet.TYPE_SCROLL_SENSITIVE.
*/
private final Integer resultSetType;
/**
* Result set concurrency. A concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE.
*/
private final Integer resultSetConcurrency;
/**
* Result set holdability. One of the following ResultSet constants:
* ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT.
*/
private final Integer resultSetHoldability;
/** Database catalog. */
private final String catalog;
/** Database schema. */
private final String schema;
/**
* A flag indicating whether auto-generated keys should be returned; one of
* Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS.
*/
private final Integer autoGeneratedKeys;
/**
* An array of column indexes indicating the columns that should be returned from the inserted row or rows.
*/
private final int[] columnIndexes;
/**
* An array of column names indicating the columns that should be returned from the inserted row or rows.
*/
private final String[] columnNames;
/**
* Statement type, prepared or callable.
*/
private final StatementType statementType;
/** Statement builder */
private transient StatementBuilder builder;
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @deprecated Use {@link #PStmtKey(String, String, String)}.
*/
@Deprecated
public PStmtKey(final String sql) {
this(sql, null, StatementType.PREPARED_STATEMENT);
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param resultSetType
* A result set type; one of ResultSet.TYPE_FORWARD_ONLY,
* ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE.
* @param resultSetConcurrency
* A concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE.
* @deprecated Use {@link #PStmtKey(String, String, String, int, int)}.
*/
@Deprecated
public PStmtKey(final String sql, final int resultSetType, final int resultSetConcurrency) {
this(sql, null, resultSetType, resultSetConcurrency, StatementType.PREPARED_STATEMENT);
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @deprecated Use {@link #PStmtKey(String, String, String)}.
*/
@Deprecated
public PStmtKey(final String sql, final String catalog) {
this(sql, catalog, StatementType.PREPARED_STATEMENT);
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param autoGeneratedKeys
* A flag indicating whether auto-generated keys should be returned; one of
* Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS.
* @deprecated Use {@link #PStmtKey(String, String, String, int)}.
*/
@Deprecated
public PStmtKey(final String sql, final String catalog, final int autoGeneratedKeys) {
this(sql, catalog, StatementType.PREPARED_STATEMENT, Integer.valueOf(autoGeneratedKeys));
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param resultSetType
* A result set type; one of ResultSet.TYPE_FORWARD_ONLY,
* ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE.
* @param resultSetConcurrency
* A concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE.
* @deprecated Use @link {@link #PStmtKey(String, String, String, int, int)}.
*/
@Deprecated
public PStmtKey(final String sql, final String catalog, final int resultSetType, final int resultSetConcurrency) {
this(sql, catalog, resultSetType, resultSetConcurrency, StatementType.PREPARED_STATEMENT);
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param resultSetType
* a result set type; one of ResultSet.TYPE_FORWARD_ONLY,
* ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE.
* @param resultSetConcurrency
* A concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE
* @param resultSetHoldability
* One of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT
* or ResultSet.CLOSE_CURSORS_AT_COMMIT.
* @deprecated Use {@link #PStmtKey(String, String, String, int, int, int)}.
*/
@Deprecated
public PStmtKey(final String sql, final String catalog, final int resultSetType, final int resultSetConcurrency,
final int resultSetHoldability) {
this(sql, catalog, resultSetType, resultSetConcurrency, resultSetHoldability, StatementType.PREPARED_STATEMENT);
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param resultSetType
* a result set type; one of ResultSet.TYPE_FORWARD_ONLY,
* ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
* @param resultSetConcurrency
* A concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE.
* @param resultSetHoldability
* One of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT
* or ResultSet.CLOSE_CURSORS_AT_COMMIT.
* @param statementType
* The SQL statement type, prepared or callable.
* @deprecated Use {@link #PStmtKey(String, String, String, int, int, int, PoolingConnection.StatementType)}
*/
@Deprecated
public PStmtKey(final String sql, final String catalog, final int resultSetType, final int resultSetConcurrency,
final int resultSetHoldability, final StatementType statementType) {
this.sql = sql;
this.catalog = catalog;
this.schema = null;
this.resultSetType = Integer.valueOf(resultSetType);
this.resultSetConcurrency = Integer.valueOf(resultSetConcurrency);
this.resultSetHoldability = Integer.valueOf(resultSetHoldability);
this.statementType = statementType;
this.autoGeneratedKeys = null;
this.columnIndexes = null;
this.columnNames = null;
// create builder
if (statementType == StatementType.PREPARED_STATEMENT) {
this.builder = new PreparedStatementWithResultSetHoldability();
} else if (statementType == StatementType.CALLABLE_STATEMENT) {
this.builder = new PreparedCallWithResultSetHoldability();
}
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param resultSetType
* A result set type; one of ResultSet.TYPE_FORWARD_ONLY,
* ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE.
* @param resultSetConcurrency
* A concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE.
* @param statementType
* The SQL statement type, prepared or callable.
* @deprecated Use {@link #PStmtKey(String, String, String, int, int, PoolingConnection.StatementType)}.
*/
@Deprecated
public PStmtKey(final String sql, final String catalog, final int resultSetType, final int resultSetConcurrency,
final StatementType statementType) {
this.sql = sql;
this.catalog = catalog;
this.schema = null;
this.resultSetType = Integer.valueOf(resultSetType);
this.resultSetConcurrency = Integer.valueOf(resultSetConcurrency);
this.resultSetHoldability = null;
this.statementType = statementType;
this.autoGeneratedKeys = null;
this.columnIndexes = null;
this.columnNames = null;
// create builder
if (statementType == StatementType.PREPARED_STATEMENT) {
this.builder = new PreparedStatementWithResultSetConcurrency();
} else if (statementType == StatementType.CALLABLE_STATEMENT) {
this.builder = new PreparedCallWithResultSetConcurrency();
}
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param columnIndexes
* An array of column indexes indicating the columns that should be returned from the inserted row or
* rows.
* @deprecated Use {@link #PStmtKey(String, String, String, int[])}.
*/
@Deprecated
public PStmtKey(final String sql, final String catalog, final int[] columnIndexes) {
this.sql = sql;
this.catalog = catalog;
this.schema = null;
this.statementType = StatementType.PREPARED_STATEMENT;
this.autoGeneratedKeys = null;
this.columnIndexes = columnIndexes == null ? null : Arrays.copyOf(columnIndexes, columnIndexes.length);
this.columnNames = null;
this.resultSetType = null;
this.resultSetConcurrency = null;
this.resultSetHoldability = null;
// create builder
this.builder = new PreparedStatementWithColumnIndexes();
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param statementType
* The SQL statement type, prepared or callable.
* @deprecated Use {@link #PStmtKey(String, String, String, PoolingConnection.StatementType)}.
*/
@Deprecated
public PStmtKey(final String sql, final String catalog, final StatementType statementType) {
this.sql = sql;
this.catalog = catalog;
this.schema = null;
this.statementType = statementType;
this.autoGeneratedKeys = null;
this.columnIndexes = null;
this.columnNames = null;
this.resultSetType = null;
this.resultSetConcurrency = null;
this.resultSetHoldability = null;
// create builder
if (statementType == StatementType.PREPARED_STATEMENT) {
this.builder = new PreparedStatementSQL();
} else if (statementType == StatementType.CALLABLE_STATEMENT) {
this.builder = new PreparedCallSQL();
}
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param statementType
* The SQL statement type, prepared or callable.
* @param autoGeneratedKeys
* A flag indicating whether auto-generated keys should be returned; one of
* Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS.
* @deprecated Use {@link #PStmtKey(String, String, String, PoolingConnection.StatementType, Integer)}
*/
@Deprecated
public PStmtKey(final String sql, final String catalog, final StatementType statementType,
final Integer autoGeneratedKeys) {
this.sql = sql;
this.catalog = catalog;
this.schema = null;
this.statementType = statementType;
this.autoGeneratedKeys = autoGeneratedKeys;
this.columnIndexes = null;
this.columnNames = null;
this.resultSetType = null;
this.resultSetConcurrency = null;
this.resultSetHoldability = null;
// create builder
if (statementType == StatementType.PREPARED_STATEMENT) {
this.builder = new PreparedStatementWithAutoGeneratedKeys();
} else if (statementType == StatementType.CALLABLE_STATEMENT) {
this.builder = new PreparedCallSQL();
}
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param schema
* The schema
* @since 2.5.0
*/
public PStmtKey(final String sql, final String catalog, final String schema) {
this(sql, catalog, schema, StatementType.PREPARED_STATEMENT);
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param schema
* The schema
* @param autoGeneratedKeys
* A flag indicating whether auto-generated keys should be returned; one of
* Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS.
* @since 2.5.0
*/
public PStmtKey(final String sql, final String catalog, final String schema, final int autoGeneratedKeys) {
this(sql, catalog, schema, StatementType.PREPARED_STATEMENT, Integer.valueOf(autoGeneratedKeys));
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param schema
* The schema
* @param resultSetType
* A result set type; one of ResultSet.TYPE_FORWARD_ONLY,
* ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE.
* @param resultSetConcurrency
* A concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE.
*/
public PStmtKey(final String sql, final String catalog, final String schema, final int resultSetType, final int resultSetConcurrency) {
this(sql, catalog, schema, resultSetType, resultSetConcurrency, StatementType.PREPARED_STATEMENT);
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param schema
* The schema
* @param resultSetType
* a result set type; one of ResultSet.TYPE_FORWARD_ONLY,
* ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE.
* @param resultSetConcurrency
* A concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE
* @param resultSetHoldability
* One of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT
* or ResultSet.CLOSE_CURSORS_AT_COMMIT.
* @since 2.5.0
*/
public PStmtKey(final String sql, final String catalog, final String schema, final int resultSetType, final int resultSetConcurrency,
final int resultSetHoldability) {
this(sql, catalog, schema, resultSetType, resultSetConcurrency, resultSetHoldability, StatementType.PREPARED_STATEMENT);
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param schema
* The schema.
* @param resultSetType
* a result set type; one of ResultSet.TYPE_FORWARD_ONLY,
* ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
* @param resultSetConcurrency
* A concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE.
* @param resultSetHoldability
* One of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT
* or ResultSet.CLOSE_CURSORS_AT_COMMIT.
* @param statementType
* The SQL statement type, prepared or callable.
* @since 2.5.0
*/
public PStmtKey(final String sql, final String catalog, final String schema, final int resultSetType, final int resultSetConcurrency,
final int resultSetHoldability, final StatementType statementType) {
this.sql = sql;
this.catalog = catalog;
this.schema = schema;
this.resultSetType = Integer.valueOf(resultSetType);
this.resultSetConcurrency = Integer.valueOf(resultSetConcurrency);
this.resultSetHoldability = Integer.valueOf(resultSetHoldability);
this.statementType = statementType;
this.autoGeneratedKeys = null;
this.columnIndexes = null;
this.columnNames = null;
// create builder
if (statementType == StatementType.PREPARED_STATEMENT) {
this.builder = new PreparedStatementWithResultSetHoldability();
} else if (statementType == StatementType.CALLABLE_STATEMENT) {
this.builder = new PreparedCallWithResultSetHoldability();
}
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param schema
* The schema.
* @param resultSetType
* A result set type; one of ResultSet.TYPE_FORWARD_ONLY,
* ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE.
* @param resultSetConcurrency
* A concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE.
* @param statementType
* The SQL statement type, prepared or callable.
* @since 2.5.0
*/
public PStmtKey(final String sql, final String catalog, final String schema, final int resultSetType, final int resultSetConcurrency,
final StatementType statementType) {
this.sql = sql;
this.catalog = catalog;
this.schema = schema;
this.resultSetType = Integer.valueOf(resultSetType);
this.resultSetConcurrency = Integer.valueOf(resultSetConcurrency);
this.resultSetHoldability = null;
this.statementType = statementType;
this.autoGeneratedKeys = null;
this.columnIndexes = null;
this.columnNames = null;
// create builder
if (statementType == StatementType.PREPARED_STATEMENT) {
this.builder = new PreparedStatementWithResultSetConcurrency();
} else if (statementType == StatementType.CALLABLE_STATEMENT) {
this.builder = new PreparedCallWithResultSetConcurrency();
}
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param schema
* The schema.
* @param columnIndexes
* An array of column indexes indicating the columns that should be returned from the inserted row or
* rows.
*/
public PStmtKey(final String sql, final String catalog, final String schema, final int[] columnIndexes) {
this.sql = sql;
this.catalog = catalog;
this.schema = schema;
this.statementType = StatementType.PREPARED_STATEMENT;
this.autoGeneratedKeys = null;
this.columnIndexes = columnIndexes == null ? null : Arrays.copyOf(columnIndexes, columnIndexes.length);
this.columnNames = null;
this.resultSetType = null;
this.resultSetConcurrency = null;
this.resultSetHoldability = null;
// create builder
this.builder = new PreparedStatementWithColumnIndexes();
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param schema
* The schema.
* @param statementType
* The SQL statement type, prepared or callable.
* @since 2.5.0
*/
public PStmtKey(final String sql, final String catalog, final String schema, final StatementType statementType) {
this.sql = sql;
this.catalog = catalog;
this.schema = schema;
this.statementType = statementType;
this.autoGeneratedKeys = null;
this.columnIndexes = null;
this.columnNames = null;
this.resultSetType = null;
this.resultSetConcurrency = null;
this.resultSetHoldability = null;
// create builder
if (statementType == StatementType.PREPARED_STATEMENT) {
this.builder = new PreparedStatementSQL();
} else if (statementType == StatementType.CALLABLE_STATEMENT) {
this.builder = new PreparedCallSQL();
}
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param schema
* The schema.
* @param statementType
* The SQL statement type, prepared or callable.
* @param autoGeneratedKeys
* A flag indicating whether auto-generated keys should be returned; one of
* Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS.
* @since 2.5.0
*/
public PStmtKey(final String sql, final String catalog, final String schema, final StatementType statementType,
final Integer autoGeneratedKeys) {
this.sql = sql;
this.catalog = catalog;
this.schema = schema;
this.statementType = statementType;
this.autoGeneratedKeys = autoGeneratedKeys;
this.columnIndexes = null;
this.columnNames = null;
this.resultSetType = null;
this.resultSetConcurrency = null;
this.resultSetHoldability = null;
// create builder
if (statementType == StatementType.PREPARED_STATEMENT) {
this.builder = new PreparedStatementWithAutoGeneratedKeys();
} else if (statementType == StatementType.CALLABLE_STATEMENT) {
this.builder = new PreparedCallSQL();
}
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param schema
* The schema.
* @param columnNames
* An array of column names indicating the columns that should be returned from the inserted row or rows.
* @since 2.5.0
*/
public PStmtKey(final String sql, final String catalog, final String schema, final String[] columnNames) {
this.sql = sql;
this.catalog = catalog;
this.schema = schema;
this.statementType = StatementType.PREPARED_STATEMENT;
this.autoGeneratedKeys = null;
this.columnIndexes = null;
this.columnNames = columnNames == null ? null : Arrays.copyOf(columnNames, columnNames.length);
this.resultSetType = null;
this.resultSetConcurrency = null;
this.resultSetHoldability = null;
// create builder
builder = new PreparedStatementWithColumnNames();
}
/**
* Constructs a key to uniquely identify a prepared statement.
*
* @param sql
* The SQL statement.
* @param catalog
* The catalog.
* @param columnNames
* An array of column names indicating the columns that should be returned from the inserted row or rows.
* @deprecated Use {@link #PStmtKey(String, String, String, String[])}.
*/
@Deprecated
public PStmtKey(final String sql, final String catalog, final String[] columnNames) {
this.sql = sql;
this.catalog = catalog;
this.schema = null;
this.statementType = StatementType.PREPARED_STATEMENT;
this.autoGeneratedKeys = null;
this.columnIndexes = null;
this.columnNames = columnNames == null ? null : Arrays.copyOf(columnNames, columnNames.length);
this.resultSetType = null;
this.resultSetConcurrency = null;
this.resultSetHoldability = null;
// create builder
builder = new PreparedStatementWithColumnNames();
}
/**
* Creates a new Statement from the given Connection.
*
* @param connection
* The Connection to use to create the statement.
* @return The statement.
* @throws SQLException
* Thrown when there is a problem creating the statement.
*/
public Statement createStatement(final Connection connection) throws SQLException {
if (builder == null) {
throw new IllegalStateException("Prepared statement key is invalid.");
}
return builder.createStatement(connection);
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final PStmtKey other = (PStmtKey) obj;
if (autoGeneratedKeys == null) {
if (other.autoGeneratedKeys != null) {
return false;
}
} else if (!autoGeneratedKeys.equals(other.autoGeneratedKeys)) {
return false;
}
if (catalog == null) {
if (other.catalog != null) {
return false;
}
} else if (!catalog.equals(other.catalog)) {
return false;
}
if (!Arrays.equals(columnIndexes, other.columnIndexes)) {
return false;
}
if (!Arrays.equals(columnNames, other.columnNames)) {
return false;
}
if (resultSetConcurrency == null) {
if (other.resultSetConcurrency != null) {
return false;
}
} else if (!resultSetConcurrency.equals(other.resultSetConcurrency)) {
return false;
}
if (resultSetHoldability == null) {
if (other.resultSetHoldability != null) {
return false;
}
} else if (!resultSetHoldability.equals(other.resultSetHoldability)) {
return false;
}
if (resultSetType == null) {
if (other.resultSetType != null) {
return false;
}
} else if (!resultSetType.equals(other.resultSetType)) {
return false;
}
if (schema == null) {
if (other.schema != null) {
return false;
}
} else if (!schema.equals(other.schema)) {
return false;
}
if (sql == null) {
if (other.sql != null) {
return false;
}
} else if (!sql.equals(other.sql)) {
return false;
}
if (statementType != other.statementType) {
return false;
}
return true;
}
/**
* Gets a flag indicating whether auto-generated keys should be returned; one of
* Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS.
*
* @return a flag indicating whether auto-generated keys should be returned.
*/
public Integer getAutoGeneratedKeys() {
return autoGeneratedKeys;
}
/**
* The catalog.
*
* @return The catalog.
*/
public String getCatalog() {
return catalog;
}
/**
* Gets an array of column indexes indicating the columns that should be returned from the inserted row or rows.
*
* @return An array of column indexes.
*/
public int[] getColumnIndexes() {
return columnIndexes;
}
/**
* Gets an array of column names indicating the columns that should be returned from the inserted row or rows.
*
* @return An array of column names.
*/
public String[] getColumnNames() {
return columnNames;
}
/**
* Gets the result set concurrency type; one of ResultSet.CONCUR_READ_ONLY or
* ResultSet.CONCUR_UPDATABLE.
*
* @return The result set concurrency type.
*/
public Integer getResultSetConcurrency() {
return resultSetConcurrency;
}
/**
* Gets the result set holdability, one of the following ResultSet constants:
* ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT.
*
* @return The result set holdability.
*/
public Integer getResultSetHoldability() {
return resultSetHoldability;
}
/**
* Gets the result set type, one of ResultSet.TYPE_FORWARD_ONLY,
* ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE.
*
* @return the result set type.
*/
public Integer getResultSetType() {
return resultSetType;
}
/**
* The schema.
*
* @return The catalog.
*/
public String getSchema() {
return schema;
}
/**
* Gets the SQL statement.
*
* @return the SQL statement.
*/
public String getSql() {
return sql;
}
/**
* The SQL statement type.
*
* @return The SQL statement type.
*/
public StatementType getStmtType() {
return statementType;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((autoGeneratedKeys == null) ? 0 : autoGeneratedKeys.hashCode());
result = prime * result + ((catalog == null) ? 0 : catalog.hashCode());
result = prime * result + Arrays.hashCode(columnIndexes);
result = prime * result + Arrays.hashCode(columnNames);
result = prime * result + ((resultSetConcurrency == null) ? 0 : resultSetConcurrency.hashCode());
result = prime * result + ((resultSetHoldability == null) ? 0 : resultSetHoldability.hashCode());
result = prime * result + ((resultSetType == null) ? 0 : resultSetType.hashCode());
result = prime * result + ((schema == null) ? 0 : schema.hashCode());
result = prime * result + ((sql == null) ? 0 : sql.hashCode());
result = prime * result + ((statementType == null) ? 0 : statementType.hashCode());
return result;
}
@Override
public String toString() {
final StringBuffer buf = new StringBuffer();
buf.append("PStmtKey: sql=");
buf.append(sql);
buf.append(", catalog=");
buf.append(catalog);
buf.append(", schema=");
buf.append(schema);
buf.append(", resultSetType=");
buf.append(resultSetType);
buf.append(", resultSetConcurrency=");
buf.append(resultSetConcurrency);
buf.append(", resultSetHoldability=");
buf.append(resultSetHoldability);
buf.append(", autoGeneratedKeys=");
buf.append(autoGeneratedKeys);
buf.append(", columnIndexes=");
buf.append(Arrays.toString(columnIndexes));
buf.append(", columnNames=");
buf.append(Arrays.toString(columnNames));
buf.append(", statementType=");
buf.append(statementType);
return buf.toString();
}
}