src/com/android/contacts/model/ValuesDelta.java - LeafOS-Project/android_packages_apps_Contacts - Gitiles

 /*
  * Copyright (C) 2012 The Android Open Source Project
  *
  * 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 com.android.contacts.model;

 import android.content.ContentProviderOperation;
 import android.content.ContentValues;
 import android.net.Uri;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.provider.BaseColumns;
 import android.provider.ContactsContract;

 import com.android.contacts.compat.CompatUtils;

 import com.google.common.collect.Sets;

 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;

 /**
  * Type of {@link android.content.ContentValues} that maintains both an original state and a
  * modified version of that state. This allows us to build insert, update,
  * or delete operations based on a "before" {@link Entity} snapshot.
  */
 public class ValuesDelta implements Parcelable {
     protected ContentValues mBefore;
     protected ContentValues mAfter;
     protected String mIdColumn = BaseColumns._ID;
     private boolean mFromTemplate;

     /**
      * Next value to assign to {@link #mIdColumn} when building an insert
      * operation through {@link #fromAfter(android.content.ContentValues)}. This is used so
      * we can concretely reference this {@link ValuesDelta} before it has
      * been persisted.
      */
     protected static int sNextInsertId = -1;

     protected ValuesDelta() {
     }

     /**
      * Create {@link ValuesDelta}, using the given object as the
      * "before" state, usually from an {@link Entity}.
      */
     public static ValuesDelta fromBefore(ContentValues before) {
         final ValuesDelta entry = new ValuesDelta();
         entry.mBefore = before;
         entry.mAfter = new ContentValues();
         return entry;
     }

     /**
      * Create {@link ValuesDelta}, using the given object as the "after"
      * state, usually when we are inserting a row instead of updating.
      */
     public static ValuesDelta fromAfter(ContentValues after) {
         final ValuesDelta entry = new ValuesDelta();
         entry.mBefore = null;
         entry.mAfter = after;

         // Assign temporary id which is dropped before insert.
         entry.mAfter.put(entry.mIdColumn, sNextInsertId--);
         return entry;
     }

     public ContentValues getAfter() {
         return mAfter;
     }

     public ContentValues getBefore() {
         return mBefore;
     }

     public boolean containsKey(String key) {
         return ((mAfter != null && mAfter.containsKey(key)) ||
                 (mBefore != null && mBefore.containsKey(key)));
     }

     public String getAsString(String key) {
         if (mAfter != null && mAfter.containsKey(key)) {
             return mAfter.getAsString(key);
         } else if (mBefore != null && mBefore.containsKey(key)) {
             return mBefore.getAsString(key);
         } else {
             return null;
         }
     }

     public byte[] getAsByteArray(String key) {
         if (mAfter != null && mAfter.containsKey(key)) {
             return mAfter.getAsByteArray(key);
         } else if (mBefore != null && mBefore.containsKey(key)) {
             return mBefore.getAsByteArray(key);
         } else {
             return null;
         }
     }

     public Long getAsLong(String key) {
         if (mAfter != null && mAfter.containsKey(key)) {
             return mAfter.getAsLong(key);
         } else if (mBefore != null && mBefore.containsKey(key)) {
             return mBefore.getAsLong(key);
         } else {
             return null;
         }
     }

     public Integer getAsInteger(String key) {
         return getAsInteger(key, null);
     }

     public Integer getAsInteger(String key, Integer defaultValue) {
         if (mAfter != null && mAfter.containsKey(key)) {
             return mAfter.getAsInteger(key);
         } else if (mBefore != null && mBefore.containsKey(key)) {
             return mBefore.getAsInteger(key);
         } else {
             return defaultValue;
         }
     }

     public boolean isChanged(String key) {
         if (mAfter == null || !mAfter.containsKey(key)) {
             return false;
         }

         Object newValue = mAfter.get(key);
         Object oldValue = mBefore.get(key);

         if (oldValue == null) {
             return newValue != null;
         }

         return !oldValue.equals(newValue);
     }

     public String getMimetype() {
         return getAsString(ContactsContract.Data.MIMETYPE);
     }

     public Long getId() {
         return getAsLong(mIdColumn);
     }

     public void setIdColumn(String idColumn) {
         mIdColumn = idColumn;
     }

     public boolean isPrimary() {
         final Long isPrimary = getAsLong(ContactsContract.Data.IS_PRIMARY);
         return isPrimary == null ? false : isPrimary != 0;
     }

     public void setFromTemplate(boolean isFromTemplate) {
         mFromTemplate = isFromTemplate;
     }

     public boolean isFromTemplate() {
         return mFromTemplate;
     }

     public boolean isSuperPrimary() {
         final Long isSuperPrimary = getAsLong(ContactsContract.Data.IS_SUPER_PRIMARY);
         return isSuperPrimary == null ? false : isSuperPrimary != 0;
     }

     public boolean beforeExists() {
         return (mBefore != null && mBefore.containsKey(mIdColumn));
     }

     /**
      * When "after" is present, then visible
      */
     public boolean isVisible() {
         return (mAfter != null);
     }

     /**
      * When "after" is wiped, action is "delete"
      */
     public boolean isDelete() {
         return beforeExists() && (mAfter == null);
     }

     /**
      * When no "before" or "after", is transient
      */
     public boolean isTransient() {
         return (mBefore == null) && (mAfter == null);
     }

     /**
      * When "after" has some changes, action is "update"
      */
     public boolean isUpdate() {
         if (!beforeExists() || mAfter == null || mAfter.size() == 0) {
             return false;
         }
         for (String key : mAfter.keySet()) {
             Object newValue = mAfter.get(key);
             Object oldValue = mBefore.get(key);
             if (oldValue == null) {
                 if (newValue != null) {
                     return true;
                 }
             } else if (!oldValue.equals(newValue)) {
                 return true;
             }
         }
         return false;
     }

     /**
      * When "after" has no changes, action is no-op
      */
     public boolean isNoop() {
         return beforeExists() && (mAfter != null && mAfter.size() == 0);
     }

     /**
      * When no "before" id, and has "after", action is "insert"
      */
     public boolean isInsert() {
         return !beforeExists() && (mAfter != null);
     }

     public void markDeleted() {
         mAfter = null;
     }

     /**
      * Ensure that our internal structure is ready for storing updates.
      */
     private void ensureUpdate() {
         if (mAfter == null) {
             mAfter = new ContentValues();
         }
     }

     public void put(String key, String value) {
         ensureUpdate();
         mAfter.put(key, value);
     }

     public void put(String key, byte[] value) {
         ensureUpdate();
         mAfter.put(key, value);
     }

     public void put(String key, int value) {
         ensureUpdate();
         mAfter.put(key, value);
     }

     public void put(String key, long value) {
         ensureUpdate();
         mAfter.put(key, value);
     }

     public void putNull(String key) {
         ensureUpdate();
         mAfter.putNull(key);
     }

     public void copyStringFrom(ValuesDelta from, String key) {
         ensureUpdate();
         if (containsKey(key) || from.containsKey(key)) {
             put(key, from.getAsString(key));
         }
     }

     /**
      * Return set of all keys defined through this object.
      */
     public Set<String> keySet() {
         final HashSet<String> keys = Sets.newHashSet();

         if (mBefore != null) {
             for (Map.Entry<String, Object> entry : mBefore.valueSet()) {
                 keys.add(entry.getKey());
             }
         }

         if (mAfter != null) {
             for (Map.Entry<String, Object> entry : mAfter.valueSet()) {
                 keys.add(entry.getKey());
             }
         }

         return keys;
     }

     /**
      * Return complete set of "before" and "after" values mixed together,
      * giving full state regardless of edits.
      */
     public ContentValues getCompleteValues() {
         final ContentValues values = new ContentValues();
         if (mBefore != null) {
             values.putAll(mBefore);
         }
         if (mAfter != null) {
             values.putAll(mAfter);
         }
         if (values.containsKey(ContactsContract.CommonDataKinds.GroupMembership.GROUP_ROW_ID)) {
             // Clear to avoid double-definitions, and prefer rows
             values.remove(ContactsContract.CommonDataKinds.GroupMembership.GROUP_SOURCE_ID);
         }

         return values;
     }

     /**
      * Merge the "after" values from the given {@link ValuesDelta},
      * discarding any existing "after" state. This is typically used when
      * re-parenting changes onto an updated {@link Entity}.
      */
     public static ValuesDelta mergeAfter(ValuesDelta local, ValuesDelta remote) {
         // Bail early if trying to merge delete with missing local
         if (local == null && (remote.isDelete() || remote.isTransient())) return null;

         // Create local version if none exists yet
         if (local == null) local = new ValuesDelta();

         if (!local.beforeExists()) {
             // Any "before" record is missing, so take all values as "insert"
             local.mAfter = remote.getCompleteValues();
         } else {
             // Existing "update" with only "after" values
             local.mAfter = remote.mAfter;
         }

         return local;
     }

     @Override
     public boolean equals(Object object) {
         if (object instanceof ValuesDelta) {
             // Only exactly equal with both are identical subsets
             final ValuesDelta other = (ValuesDelta)object;
             return this.subsetEquals(other) && other.subsetEquals(this);
         }
         return false;
     }

     @Override
     public String toString() {
         final StringBuilder builder = new StringBuilder();
         toString(builder);
         return builder.toString();
     }

     /**
      * Helper for building string representation, leveraging the given
      * {@link StringBuilder} to minimize allocations.
      */
     public void toString(StringBuilder builder) {
         builder.append("{ ");
         builder.append("IdColumn=");
         builder.append(mIdColumn);
         builder.append(", FromTemplate=");
         builder.append(mFromTemplate);
         builder.append(", ");
         for (String key : this.keySet()) {
             builder.append(key);
             builder.append("=");
             builder.append(this.getAsString(key));
             builder.append(", ");
         }
         builder.append("}");
     }

     /**
      * Check if the given {@link ValuesDelta} is both a subset of this
      * object, and any defined keys have equal values.
      */
     public boolean subsetEquals(ValuesDelta other) {
         for (String key : this.keySet()) {
             final String ourValue = this.getAsString(key);
             final String theirValue = other.getAsString(key);
             if (ourValue == null) {
                 // If they have value when we're null, no match
                 if (theirValue != null) return false;
             } else {
                 // If both values defined and aren't equal, no match
                 if (!ourValue.equals(theirValue)) return false;
             }
         }
         // All values compared and matched
         return true;
     }

     /**
      * Build a {@link android.content.ContentProviderOperation} that will transform our
      * "before" state into our "after" state, using insert, update, or
      * delete as needed.
      */
     public ContentProviderOperation.Builder buildDiff(Uri targetUri) {
         return buildDiffHelper(targetUri);
     }

     /**
      * For compatibility purpose.
      */
     public BuilderWrapper buildDiffWrapper(Uri targetUri) {
         final ContentProviderOperation.Builder builder = buildDiffHelper(targetUri);
         BuilderWrapper bw = null;
         if (isInsert()) {
             bw = new BuilderWrapper(builder, CompatUtils.TYPE_INSERT);
         } else if (isDelete()) {
             bw = new BuilderWrapper(builder, CompatUtils.TYPE_DELETE);
         } else if (isUpdate()) {
             bw = new BuilderWrapper(builder, CompatUtils.TYPE_UPDATE);
         }
         return bw;
     }

     private ContentProviderOperation.Builder buildDiffHelper(Uri targetUri) {
         ContentProviderOperation.Builder builder = null;
         if (isInsert()) {
             // Changed values are "insert" back-referenced to Contact
             mAfter.remove(mIdColumn);
             builder = ContentProviderOperation.newInsert(targetUri);
             builder.withValues(mAfter);
         } else if (isDelete()) {
             // When marked for deletion and "before" exists, then "delete"
             builder = ContentProviderOperation.newDelete(targetUri);
             builder.withSelection(mIdColumn + "=" + getId(), null);
         } else if (isUpdate()) {
             // When has changes and "before" exists, then "update"
             builder = ContentProviderOperation.newUpdate(targetUri);
             builder.withSelection(mIdColumn + "=" + getId(), null);
             builder.withValues(mAfter);
         }
         return builder;
     }

     /** {@inheritDoc} */
     public int describeContents() {
         // Nothing special about this parcel
         return 0;
     }

     /** {@inheritDoc} */
     public void writeToParcel(Parcel dest, int flags) {
         dest.writeParcelable(mBefore, flags);
         dest.writeParcelable(mAfter, flags);
         dest.writeString(mIdColumn);
     }

     public void readFromParcel(Parcel source) {
         final ClassLoader loader = getClass().getClassLoader();
         mBefore = source.<ContentValues> readParcelable(loader);
         mAfter = source.<ContentValues> readParcelable(loader);
         mIdColumn = source.readString();
     }

     public static final Creator<ValuesDelta> CREATOR = new Creator<ValuesDelta>() {
         public ValuesDelta createFromParcel(Parcel in) {
             final ValuesDelta values = new ValuesDelta();
             values.readFromParcel(in);
             return values;
         }

         public ValuesDelta[] newArray(int size) {
             return new ValuesDelta[size];
         }
     };

     public void setGroupRowId(long groupId) {
         put(ContactsContract.CommonDataKinds.GroupMembership.GROUP_ROW_ID, groupId);
     }

     public Long getGroupRowId() {
         return getAsLong(ContactsContract.CommonDataKinds.GroupMembership.GROUP_ROW_ID);
     }

     public void setPhoto(byte[] value) {
         put(ContactsContract.CommonDataKinds.Photo.PHOTO, value);
     }

     public byte[] getPhoto() {
         return getAsByteArray(ContactsContract.CommonDataKinds.Photo.PHOTO);
     }

     public void setSuperPrimary(boolean val) {
         if (val) {
             put(ContactsContract.Data.IS_SUPER_PRIMARY, 1);
         } else {
             put(ContactsContract.Data.IS_SUPER_PRIMARY, 0);
         }
     }

     public void setPhoneticFamilyName(String value) {
         put(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_FAMILY_NAME, value);
     }

     public void setPhoneticMiddleName(String value) {
         put(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_MIDDLE_NAME, value);
     }

     public void setPhoneticGivenName(String value) {
         put(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_GIVEN_NAME, value);
     }

     public String getPhoneticFamilyName() {
         return getAsString(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_FAMILY_NAME);
     }

     public String getPhoneticMiddleName() {
         return getAsString(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_MIDDLE_NAME);
     }

     public String getPhoneticGivenName() {
         return getAsString(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_GIVEN_NAME);
     }

     public String getDisplayName() {
         return getAsString(ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME);
     }

     public void setDisplayName(String name) {
         if (name == null) {
             putNull(ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME);
         } else {
             put(ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME, name);
         }
     }

     public void copyStructuredNameFieldsFrom(ValuesDelta name) {
         copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME);

         copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.GIVEN_NAME);
         copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.FAMILY_NAME);
         copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.PREFIX);
         copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.MIDDLE_NAME);
         copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.SUFFIX);

         copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.PHONETIC_GIVEN_NAME);
         copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.PHONETIC_MIDDLE_NAME);
         copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.PHONETIC_FAMILY_NAME);

         copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.FULL_NAME_STYLE);
         copyStringFrom(name, ContactsContract.Data.DATA11);
     }

     public String getPhoneNumber() {
         return getAsString(ContactsContract.CommonDataKinds.Phone.NUMBER);
     }

     public String getPhoneNormalizedNumber() {
         return getAsString(ContactsContract.CommonDataKinds.Phone.NORMALIZED_NUMBER);
     }

     public boolean hasPhoneType() {
         return getPhoneType() != null;
     }

     public Integer getPhoneType() {
         return getAsInteger(ContactsContract.CommonDataKinds.Phone.TYPE);
     }

     public String getPhoneLabel() {
         return getAsString(ContactsContract.CommonDataKinds.Phone.LABEL);
     }

     public String getEmailData() {
         return getAsString(ContactsContract.CommonDataKinds.Email.DATA);
     }

     public boolean hasEmailType() {
         return getEmailType() != null;
     }

     public Integer getEmailType() {
         return getAsInteger(ContactsContract.CommonDataKinds.Email.TYPE);
     }

     public String getEmailLabel() {
         return getAsString(ContactsContract.CommonDataKinds.Email.LABEL);
     }
 }
	/*
	* Copyright (C) 2012 The Android Open Source Project
	*
	* 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 com.android.contacts.model;

	import android.content.ContentProviderOperation;
	import android.content.ContentValues;
	import android.net.Uri;
	import android.os.Parcel;
	import android.os.Parcelable;
	import android.provider.BaseColumns;
	import android.provider.ContactsContract;

	import com.android.contacts.compat.CompatUtils;

	import com.google.common.collect.Sets;

	import java.util.HashSet;
	import java.util.Map;
	import java.util.Set;

	/**
	* Type of {@link android.content.ContentValues} that maintains both an original state and a
	* modified version of that state. This allows us to build insert, update,
	* or delete operations based on a "before" {@link Entity} snapshot.
	*/
	public class ValuesDelta implements Parcelable {
	protected ContentValues mBefore;
	protected ContentValues mAfter;
	protected String mIdColumn = BaseColumns._ID;
	private boolean mFromTemplate;

	/**
	* Next value to assign to {@link #mIdColumn} when building an insert
	* operation through {@link #fromAfter(android.content.ContentValues)}. This is used so
	* we can concretely reference this {@link ValuesDelta} before it has
	* been persisted.
	*/
	protected static int sNextInsertId = -1;

	protected ValuesDelta() {
	}

	/**
	* Create {@link ValuesDelta}, using the given object as the
	* "before" state, usually from an {@link Entity}.
	*/
	public static ValuesDelta fromBefore(ContentValues before) {
	final ValuesDelta entry = new ValuesDelta();
	entry.mBefore = before;
	entry.mAfter = new ContentValues();
	return entry;
	}

	/**
	* Create {@link ValuesDelta}, using the given object as the "after"
	* state, usually when we are inserting a row instead of updating.
	*/
	public static ValuesDelta fromAfter(ContentValues after) {
	final ValuesDelta entry = new ValuesDelta();
	entry.mBefore = null;
	entry.mAfter = after;

	// Assign temporary id which is dropped before insert.
	entry.mAfter.put(entry.mIdColumn, sNextInsertId--);
	return entry;
	}

	public ContentValues getAfter() {
	return mAfter;
	}

	public ContentValues getBefore() {
	return mBefore;
	}

	public boolean containsKey(String key) {
	return ((mAfter != null && mAfter.containsKey(key)) \|\|
	(mBefore != null && mBefore.containsKey(key)));
	}

	public String getAsString(String key) {
	if (mAfter != null && mAfter.containsKey(key)) {
	return mAfter.getAsString(key);
	} else if (mBefore != null && mBefore.containsKey(key)) {
	return mBefore.getAsString(key);
	} else {
	return null;
	}
	}

	public byte[] getAsByteArray(String key) {
	if (mAfter != null && mAfter.containsKey(key)) {
	return mAfter.getAsByteArray(key);
	} else if (mBefore != null && mBefore.containsKey(key)) {
	return mBefore.getAsByteArray(key);
	} else {
	return null;
	}
	}

	public Long getAsLong(String key) {
	if (mAfter != null && mAfter.containsKey(key)) {
	return mAfter.getAsLong(key);
	} else if (mBefore != null && mBefore.containsKey(key)) {
	return mBefore.getAsLong(key);
	} else {
	return null;
	}
	}

	public Integer getAsInteger(String key) {
	return getAsInteger(key, null);
	}

	public Integer getAsInteger(String key, Integer defaultValue) {
	if (mAfter != null && mAfter.containsKey(key)) {
	return mAfter.getAsInteger(key);
	} else if (mBefore != null && mBefore.containsKey(key)) {
	return mBefore.getAsInteger(key);
	} else {
	return defaultValue;
	}
	}

	public boolean isChanged(String key) {
	if (mAfter == null \|\| !mAfter.containsKey(key)) {
	return false;
	}

	Object newValue = mAfter.get(key);
	Object oldValue = mBefore.get(key);

	if (oldValue == null) {
	return newValue != null;
	}

	return !oldValue.equals(newValue);
	}

	public String getMimetype() {
	return getAsString(ContactsContract.Data.MIMETYPE);
	}

	public Long getId() {
	return getAsLong(mIdColumn);
	}

	public void setIdColumn(String idColumn) {
	mIdColumn = idColumn;
	}

	public boolean isPrimary() {
	final Long isPrimary = getAsLong(ContactsContract.Data.IS_PRIMARY);
	return isPrimary == null ? false : isPrimary != 0;
	}

	public void setFromTemplate(boolean isFromTemplate) {
	mFromTemplate = isFromTemplate;
	}

	public boolean isFromTemplate() {
	return mFromTemplate;
	}

	public boolean isSuperPrimary() {
	final Long isSuperPrimary = getAsLong(ContactsContract.Data.IS_SUPER_PRIMARY);
	return isSuperPrimary == null ? false : isSuperPrimary != 0;
	}

	public boolean beforeExists() {
	return (mBefore != null && mBefore.containsKey(mIdColumn));
	}

	/**
	* When "after" is present, then visible
	*/
	public boolean isVisible() {
	return (mAfter != null);
	}

	/**
	* When "after" is wiped, action is "delete"
	*/
	public boolean isDelete() {
	return beforeExists() && (mAfter == null);
	}

	/**
	* When no "before" or "after", is transient
	*/
	public boolean isTransient() {
	return (mBefore == null) && (mAfter == null);
	}

	/**
	* When "after" has some changes, action is "update"
	*/
	public boolean isUpdate() {
	if (!beforeExists() \|\| mAfter == null \|\| mAfter.size() == 0) {
	return false;
	}
	for (String key : mAfter.keySet()) {
	Object newValue = mAfter.get(key);
	Object oldValue = mBefore.get(key);
	if (oldValue == null) {
	if (newValue != null) {
	return true;
	}
	} else if (!oldValue.equals(newValue)) {
	return true;
	}
	}
	return false;
	}

	/**
	* When "after" has no changes, action is no-op
	*/
	public boolean isNoop() {
	return beforeExists() && (mAfter != null && mAfter.size() == 0);
	}

	/**
	* When no "before" id, and has "after", action is "insert"
	*/
	public boolean isInsert() {
	return !beforeExists() && (mAfter != null);
	}

	public void markDeleted() {
	mAfter = null;
	}

	/**
	* Ensure that our internal structure is ready for storing updates.
	*/
	private void ensureUpdate() {
	if (mAfter == null) {
	mAfter = new ContentValues();
	}
	}

	public void put(String key, String value) {
	ensureUpdate();
	mAfter.put(key, value);
	}

	public void put(String key, byte[] value) {
	ensureUpdate();
	mAfter.put(key, value);
	}

	public void put(String key, int value) {
	ensureUpdate();
	mAfter.put(key, value);
	}

	public void put(String key, long value) {
	ensureUpdate();
	mAfter.put(key, value);
	}

	public void putNull(String key) {
	ensureUpdate();
	mAfter.putNull(key);
	}

	public void copyStringFrom(ValuesDelta from, String key) {
	ensureUpdate();
	if (containsKey(key) \|\| from.containsKey(key)) {
	put(key, from.getAsString(key));
	}
	}

	/**
	* Return set of all keys defined through this object.
	*/
	public Set<String> keySet() {
	final HashSet<String> keys = Sets.newHashSet();

	if (mBefore != null) {
	for (Map.Entry<String, Object> entry : mBefore.valueSet()) {
	keys.add(entry.getKey());
	}
	}

	if (mAfter != null) {
	for (Map.Entry<String, Object> entry : mAfter.valueSet()) {
	keys.add(entry.getKey());
	}
	}

	return keys;
	}

	/**
	* Return complete set of "before" and "after" values mixed together,
	* giving full state regardless of edits.
	*/
	public ContentValues getCompleteValues() {
	final ContentValues values = new ContentValues();
	if (mBefore != null) {
	values.putAll(mBefore);
	}
	if (mAfter != null) {
	values.putAll(mAfter);
	}
	if (values.containsKey(ContactsContract.CommonDataKinds.GroupMembership.GROUP_ROW_ID)) {
	// Clear to avoid double-definitions, and prefer rows
	values.remove(ContactsContract.CommonDataKinds.GroupMembership.GROUP_SOURCE_ID);
	}

	return values;
	}

	/**
	* Merge the "after" values from the given {@link ValuesDelta},
	* discarding any existing "after" state. This is typically used when
	* re-parenting changes onto an updated {@link Entity}.
	*/
	public static ValuesDelta mergeAfter(ValuesDelta local, ValuesDelta remote) {
	// Bail early if trying to merge delete with missing local
	if (local == null && (remote.isDelete() \|\| remote.isTransient())) return null;

	// Create local version if none exists yet
	if (local == null) local = new ValuesDelta();

	if (!local.beforeExists()) {
	// Any "before" record is missing, so take all values as "insert"
	local.mAfter = remote.getCompleteValues();
	} else {
	// Existing "update" with only "after" values
	local.mAfter = remote.mAfter;
	}

	return local;
	}

	@Override
	public boolean equals(Object object) {
	if (object instanceof ValuesDelta) {
	// Only exactly equal with both are identical subsets
	final ValuesDelta other = (ValuesDelta)object;
	return this.subsetEquals(other) && other.subsetEquals(this);
	}
	return false;
	}

	@Override
	public String toString() {
	final StringBuilder builder = new StringBuilder();
	toString(builder);
	return builder.toString();
	}

	/**
	* Helper for building string representation, leveraging the given
	* {@link StringBuilder} to minimize allocations.
	*/
	public void toString(StringBuilder builder) {
	builder.append("{ ");
	builder.append("IdColumn=");
	builder.append(mIdColumn);
	builder.append(", FromTemplate=");
	builder.append(mFromTemplate);
	builder.append(", ");
	for (String key : this.keySet()) {
	builder.append(key);
	builder.append("=");
	builder.append(this.getAsString(key));
	builder.append(", ");
	}
	builder.append("}");
	}

	/**
	* Check if the given {@link ValuesDelta} is both a subset of this
	* object, and any defined keys have equal values.
	*/
	public boolean subsetEquals(ValuesDelta other) {
	for (String key : this.keySet()) {
	final String ourValue = this.getAsString(key);
	final String theirValue = other.getAsString(key);
	if (ourValue == null) {
	// If they have value when we're null, no match
	if (theirValue != null) return false;
	} else {
	// If both values defined and aren't equal, no match
	if (!ourValue.equals(theirValue)) return false;
	}
	}
	// All values compared and matched
	return true;
	}

	/**
	* Build a {@link android.content.ContentProviderOperation} that will transform our
	* "before" state into our "after" state, using insert, update, or
	* delete as needed.
	*/
	public ContentProviderOperation.Builder buildDiff(Uri targetUri) {
	return buildDiffHelper(targetUri);
	}

	/**
	* For compatibility purpose.
	*/
	public BuilderWrapper buildDiffWrapper(Uri targetUri) {
	final ContentProviderOperation.Builder builder = buildDiffHelper(targetUri);
	BuilderWrapper bw = null;
	if (isInsert()) {
	bw = new BuilderWrapper(builder, CompatUtils.TYPE_INSERT);
	} else if (isDelete()) {
	bw = new BuilderWrapper(builder, CompatUtils.TYPE_DELETE);
	} else if (isUpdate()) {
	bw = new BuilderWrapper(builder, CompatUtils.TYPE_UPDATE);
	}
	return bw;
	}

	private ContentProviderOperation.Builder buildDiffHelper(Uri targetUri) {
	ContentProviderOperation.Builder builder = null;
	if (isInsert()) {
	// Changed values are "insert" back-referenced to Contact
	mAfter.remove(mIdColumn);
	builder = ContentProviderOperation.newInsert(targetUri);
	builder.withValues(mAfter);
	} else if (isDelete()) {
	// When marked for deletion and "before" exists, then "delete"
	builder = ContentProviderOperation.newDelete(targetUri);
	builder.withSelection(mIdColumn + "=" + getId(), null);
	} else if (isUpdate()) {
	// When has changes and "before" exists, then "update"
	builder = ContentProviderOperation.newUpdate(targetUri);
	builder.withSelection(mIdColumn + "=" + getId(), null);
	builder.withValues(mAfter);
	}
	return builder;
	}

	/** {@inheritDoc} */
	public int describeContents() {
	// Nothing special about this parcel
	return 0;
	}

	/** {@inheritDoc} */
	public void writeToParcel(Parcel dest, int flags) {
	dest.writeParcelable(mBefore, flags);
	dest.writeParcelable(mAfter, flags);
	dest.writeString(mIdColumn);
	}

	public void readFromParcel(Parcel source) {
	final ClassLoader loader = getClass().getClassLoader();
	mBefore = source.<ContentValues> readParcelable(loader);
	mAfter = source.<ContentValues> readParcelable(loader);
	mIdColumn = source.readString();
	}

	public static final Creator<ValuesDelta> CREATOR = new Creator<ValuesDelta>() {
	public ValuesDelta createFromParcel(Parcel in) {
	final ValuesDelta values = new ValuesDelta();
	values.readFromParcel(in);
	return values;
	}

	public ValuesDelta[] newArray(int size) {
	return new ValuesDelta[size];
	}
	};

	public void setGroupRowId(long groupId) {
	put(ContactsContract.CommonDataKinds.GroupMembership.GROUP_ROW_ID, groupId);
	}

	public Long getGroupRowId() {
	return getAsLong(ContactsContract.CommonDataKinds.GroupMembership.GROUP_ROW_ID);
	}

	public void setPhoto(byte[] value) {
	put(ContactsContract.CommonDataKinds.Photo.PHOTO, value);
	}

	public byte[] getPhoto() {
	return getAsByteArray(ContactsContract.CommonDataKinds.Photo.PHOTO);
	}

	public void setSuperPrimary(boolean val) {
	if (val) {
	put(ContactsContract.Data.IS_SUPER_PRIMARY, 1);
	} else {
	put(ContactsContract.Data.IS_SUPER_PRIMARY, 0);
	}
	}

	public void setPhoneticFamilyName(String value) {
	put(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_FAMILY_NAME, value);
	}

	public void setPhoneticMiddleName(String value) {
	put(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_MIDDLE_NAME, value);
	}

	public void setPhoneticGivenName(String value) {
	put(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_GIVEN_NAME, value);
	}

	public String getPhoneticFamilyName() {
	return getAsString(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_FAMILY_NAME);
	}

	public String getPhoneticMiddleName() {
	return getAsString(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_MIDDLE_NAME);
	}

	public String getPhoneticGivenName() {
	return getAsString(ContactsContract.CommonDataKinds.StructuredName.PHONETIC_GIVEN_NAME);
	}

	public String getDisplayName() {
	return getAsString(ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME);
	}

	public void setDisplayName(String name) {
	if (name == null) {
	putNull(ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME);
	} else {
	put(ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME, name);
	}
	}

	public void copyStructuredNameFieldsFrom(ValuesDelta name) {
	copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME);

	copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.GIVEN_NAME);
	copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.FAMILY_NAME);
	copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.PREFIX);
	copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.MIDDLE_NAME);
	copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.SUFFIX);

	copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.PHONETIC_GIVEN_NAME);
	copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.PHONETIC_MIDDLE_NAME);
	copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.PHONETIC_FAMILY_NAME);

	copyStringFrom(name, ContactsContract.CommonDataKinds.StructuredName.FULL_NAME_STYLE);
	copyStringFrom(name, ContactsContract.Data.DATA11);
	}

	public String getPhoneNumber() {
	return getAsString(ContactsContract.CommonDataKinds.Phone.NUMBER);
	}

	public String getPhoneNormalizedNumber() {
	return getAsString(ContactsContract.CommonDataKinds.Phone.NORMALIZED_NUMBER);
	}

	public boolean hasPhoneType() {
	return getPhoneType() != null;
	}

	public Integer getPhoneType() {
	return getAsInteger(ContactsContract.CommonDataKinds.Phone.TYPE);
	}

	public String getPhoneLabel() {
	return getAsString(ContactsContract.CommonDataKinds.Phone.LABEL);
	}

	public String getEmailData() {
	return getAsString(ContactsContract.CommonDataKinds.Email.DATA);
	}

	public boolean hasEmailType() {
	return getEmailType() != null;
	}

	public Integer getEmailType() {
	return getAsInteger(ContactsContract.CommonDataKinds.Email.TYPE);
	}

	public String getEmailLabel() {
	return getAsString(ContactsContract.CommonDataKinds.Email.LABEL);
	}
	}