66 lines
1.7 KiB
Java
66 lines
1.7 KiB
Java
package com.moparisthebest.jdbc;
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import java.sql.Array;
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import java.sql.Connection;
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import java.sql.SQLException;
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import java.util.Collection;
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/**
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* Created by mopar on 4/29/15.
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*/
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public class ArrayInList implements InList {
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private static final InList instance = new ArrayInList();
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public static InList instance() {
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return instance;
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}
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protected final String numericType, otherType;
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public ArrayInList(final String numericType, final String otherType) {
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this.numericType = numericType;
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this.otherType = otherType;
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}
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public ArrayInList() {
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this("numeric", "text");
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}
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protected String columnAppend(final String columnName) {
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return "(" + columnName + " = ANY(?))";
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}
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public Array toArray(final Connection conn, final String typeName, final Object[] elements) throws SQLException {
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return conn.createArrayOf(typeName, elements);
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}
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public Array toArray(final Connection conn, final boolean numeric, final Object[] elements) throws SQLException {
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return toArray(conn, numeric ? numericType : otherType, elements);
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}
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protected <T> Array toArray(final Connection conn, final Collection<T> values) throws SQLException {
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return toArray(conn, values.iterator().next() instanceof Number, values.toArray());
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}
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public <T> InListObject inList(final Connection conn, final String columnName, final Collection<T> values) throws SQLException {
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return values == null || values.isEmpty() ? InListObject.empty : new ArrayListObject(
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columnAppend(columnName),
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toArray(conn, values)
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);
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}
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class ArrayListObject extends InListObject {
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private final Array array;
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public ArrayListObject(final String sql, final Array array) {
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super(sql);
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this.array = array;
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}
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public Array getArray() {
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return array;
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}
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}
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}
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