?? stringkeydirtyflagmap.java
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/* * Copyright 2004-2006 OpenSymphony * * Licensed 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.quartz.utils;import java.io.Serializable;import java.util.Iterator;import java.util.Map;/** * <p> * An implementation of <code>Map</code> that wraps another <code>Map</code> * and flags itself 'dirty' when it is modified, enforces that all keys are * Strings. * </p> * * <p> * All allowsTransientData flag related methods are deprecated as of version 1.6. * </p> */public class StringKeyDirtyFlagMap extends DirtyFlagMap { static final long serialVersionUID = -9076749120524952280L; /** * @deprecated JDBCJobStores no longer prune out transient data. If you * include non-Serializable values in the Map, you will now get an * exception when attempting to store it in a database. */ private boolean allowsTransientData = false; public StringKeyDirtyFlagMap() { super(); } public StringKeyDirtyFlagMap(int initialCapacity) { super(initialCapacity); } public StringKeyDirtyFlagMap(int initialCapacity, float loadFactor) { super(initialCapacity, loadFactor); } /** * Get a copy of the Map's String keys in an array of Strings. */ public String[] getKeys() { return (String[]) keySet().toArray(new String[size()]); } /** * Tell the <code>StringKeyDirtyFlagMap</code> that it should * allow non-<code>Serializable</code> values. Enforces that the Map * doesn't already include transient data. * * @deprecated JDBCJobStores no longer prune out transient data. If you * include non-Serializable values in the Map, you will now get an * exception when attempting to store it in a database. */ public void setAllowsTransientData(boolean allowsTransientData) { if (containsTransientData() && !allowsTransientData) { throw new IllegalStateException( "Cannot set property 'allowsTransientData' to 'false' " + "when data map contains non-serializable objects."); } this.allowsTransientData = allowsTransientData; } /** * Whether the <code>StringKeyDirtyFlagMap</code> allows * non-<code>Serializable</code> values. * * @deprecated JDBCJobStores no longer prune out transient data. If you * include non-Serializable values in the Map, you will now get an * exception when attempting to store it in a database. */ public boolean getAllowsTransientData() { return allowsTransientData; } /** * Determine whether any values in this Map do not implement * <code>Serializable</code>. Always returns false if this Map * is flagged to not allow transient data. * * @deprecated JDBCJobStores no longer prune out transient data. If you * include non-Serializable values in the Map, you will now get an * exception when attempting to store it in a database. */ public boolean containsTransientData() { if (!getAllowsTransientData()) { // short circuit... return false; } String[] keys = getKeys(); for (int i = 0; i < keys.length; i++) { Object o = super.get(keys[i]); if (!(o instanceof Serializable)) { return true; } } return false; } /** * Removes any data values in the map that are non-Serializable. Does * nothing if this Map does not allow transient data. * * @deprecated JDBCJobStores no longer prune out transient data. If you * include non-Serializable values in the Map, you will now get an * exception when attempting to store it in a database. */ public void removeTransientData() { if (!getAllowsTransientData()) { // short circuit... return; } String[] keys = getKeys(); for (int i = 0; i < keys.length; i++) { Object o = super.get(keys[i]); if (!(o instanceof Serializable)) { remove(keys[i]); } } } /** * <p> * Adds the name-value pairs in the given <code>Map</code> to the * <code>StringKeyDirtyFlagMap</code>. * </p> * * <p> * All keys must be <code>String</code>s. * </p> */ public void putAll(Map map) { for (Iterator entryIter = map.entrySet().iterator(); entryIter.hasNext();) { Map.Entry entry = (Map.Entry) entryIter.next(); // will throw IllegalArgumentException if key is not a String put(entry.getKey(), entry.getValue()); } } /** * <p> * Adds the given <code>int</code> value to the <code>StringKeyDirtyFlagMap</code>. * </p> */ public void put(String key, int value) { super.put(key, new Integer(value)); } /** * <p> * Adds the given <code>long</code> value to the <code>StringKeyDirtyFlagMap</code>. * </p> */ public void put(String key, long value) { super.put(key, new Long(value)); } /** * <p> * Adds the given <code>float</code> value to the <code>StringKeyDirtyFlagMap</code>. * </p> */ public void put(String key, float value) { super.put(key, new Float(value)); } /** * <p> * Adds the given <code>double</code> value to the <code>StringKeyDirtyFlagMap</code>. * </p> */ public void put(String key, double value) { super.put(key, new Double(value)); } /** * <p> * Adds the given <code>boolean</code> value to the <code>StringKeyDirtyFlagMap</code>. * </p> */ public void put(String key, boolean value) { super.put(key, new Boolean(value)); } /** * <p> * Adds the given <code>char</code> value to the <code>StringKeyDirtyFlagMap</code>. * </p> */ public void put(String key, char value) { super.put(key, new Character(value)); } /** * <p> * Adds the given <code>String</code> value to the <code>StringKeyDirtyFlagMap</code>. * </p> */ public void put(String key, String value) { super.put(key, value); } /** * <p> * Adds the given <code>Object</code> value to the <code>StringKeyDirtyFlagMap</code>. * </p> */ public Object put(Object key, Object value) { if (!(key instanceof String)) { throw new IllegalArgumentException( "Keys in map must be Strings."); } return super.put(key, value); } /** * <p> * Retrieve the identified <code>int</code> value from the <code>StringKeyDirtyFlagMap</code>. * </p> * * @throws ClassCastException * if the identified object is not an Integer. */ public int getInt(String key) { Object obj = get(key); try { return ((Integer) obj).intValue(); } catch (Exception e) { throw new ClassCastException("Identified object is not an Integer."); } } /** * <p> * Retrieve the identified <code>long</code> value from the <code>StringKeyDirtyFlagMap</code>. * </p> * * @throws ClassCastException * if the identified object is not a Long. */ public long getLong(String key) { Object obj = get(key); try { return ((Long) obj).longValue(); } catch (Exception e) { throw new ClassCastException("Identified object is not a Long."); } } /** * <p> * Retrieve the identified <code>float</code> value from the <code>StringKeyDirtyFlagMap</code>. * </p> * * @throws ClassCastException * if the identified object is not a Float. */ public float getFloat(String key) { Object obj = get(key); try { return ((Float) obj).floatValue(); } catch (Exception e) { throw new ClassCastException("Identified object is not a Float."); } } /** * <p> * Retrieve the identified <code>double</code> value from the <code>StringKeyDirtyFlagMap</code>. * </p> * * @throws ClassCastException * if the identified object is not a Double. */ public double getDouble(String key) { Object obj = get(key); try { return ((Double) obj).doubleValue(); } catch (Exception e) { throw new ClassCastException("Identified object is not a Double."); } } /** * <p> * Retrieve the identified <code>boolean</code> value from the <code>StringKeyDirtyFlagMap</code>. * </p> * * @throws ClassCastException * if the identified object is not a Boolean. */ public boolean getBoolean(String key) { Object obj = get(key); try { return ((Boolean) obj).booleanValue(); } catch (Exception e) { throw new ClassCastException("Identified object is not a Boolean."); } } /** * <p> * Retrieve the identified <code>char</code> value from the <code>StringKeyDirtyFlagMap</code>. * </p> * * @throws ClassCastException * if the identified object is not a Character. */ public char getChar(String key) { Object obj = get(key); try { return ((Character) obj).charValue(); } catch (Exception e) { throw new ClassCastException("Identified object is not a Character."); } } /** * <p> * Retrieve the identified <code>String</code> value from the <code>StringKeyDirtyFlagMap</code>. * </p> * * @throws ClassCastException * if the identified object is not a String. */ public String getString(String key) { Object obj = get(key); try { return (String) obj; } catch (Exception e) { throw new ClassCastException("Identified object is not a String."); } }}
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