blob: 1fb426eb3cfc857bebbb7dbdb438c6b84209edc6 [file] [log] [blame]
/*
* Copyright (C) 2009 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 android.content;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.compat.annotation.UnsupportedAppUsage;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
import android.text.TextUtils;
import android.util.ArrayMap;
import android.util.Log;
import android.util.SparseArray;
import java.util.ArrayList;
import java.util.Map;
import java.util.Objects;
/**
* Represents a single operation to be performed as part of a batch of operations.
*
* @see ContentProvider#applyBatch(ArrayList)
*/
public class ContentProviderOperation implements Parcelable {
/** @hide exposed for unit tests */
@UnsupportedAppUsage
public final static int TYPE_INSERT = 1;
/** @hide exposed for unit tests */
@UnsupportedAppUsage
public final static int TYPE_UPDATE = 2;
/** @hide exposed for unit tests */
@UnsupportedAppUsage
public final static int TYPE_DELETE = 3;
/** @hide exposed for unit tests */
public final static int TYPE_ASSERT = 4;
/** @hide exposed for unit tests */
public final static int TYPE_CALL = 5;
@UnsupportedAppUsage
private final int mType;
@UnsupportedAppUsage
private final Uri mUri;
private final String mMethod;
private final String mArg;
private final ArrayMap<String, Object> mValues;
private final ArrayMap<String, Object> mExtras;
@UnsupportedAppUsage
private final String mSelection;
private final SparseArray<Object> mSelectionArgs;
private final Integer mExpectedCount;
private final boolean mYieldAllowed;
private final boolean mExceptionAllowed;
private final static String TAG = "ContentProviderOperation";
/**
* Creates a {@link ContentProviderOperation} by copying the contents of a
* {@link Builder}.
*/
private ContentProviderOperation(Builder builder) {
mType = builder.mType;
mUri = builder.mUri;
mMethod = builder.mMethod;
mArg = builder.mArg;
mValues = builder.mValues;
mExtras = builder.mExtras;
mSelection = builder.mSelection;
mSelectionArgs = builder.mSelectionArgs;
mExpectedCount = builder.mExpectedCount;
mYieldAllowed = builder.mYieldAllowed;
mExceptionAllowed = builder.mExceptionAllowed;
}
private ContentProviderOperation(Parcel source) {
mType = source.readInt();
mUri = Uri.CREATOR.createFromParcel(source);
mMethod = source.readInt() != 0 ? source.readString8() : null;
mArg = source.readInt() != 0 ? source.readString8() : null;
final int valuesSize = source.readInt();
if (valuesSize != -1) {
mValues = new ArrayMap<>(valuesSize);
source.readArrayMap(mValues, null);
} else {
mValues = null;
}
final int extrasSize = source.readInt();
if (extrasSize != -1) {
mExtras = new ArrayMap<>(extrasSize);
source.readArrayMap(mExtras, null);
} else {
mExtras = null;
}
mSelection = source.readInt() != 0 ? source.readString8() : null;
mSelectionArgs = source.readSparseArray(null);
mExpectedCount = source.readInt() != 0 ? source.readInt() : null;
mYieldAllowed = source.readInt() != 0;
mExceptionAllowed = source.readInt() != 0;
}
/** @hide */
public ContentProviderOperation(ContentProviderOperation cpo, Uri withUri) {
mType = cpo.mType;
mUri = withUri;
mMethod = cpo.mMethod;
mArg = cpo.mArg;
mValues = cpo.mValues;
mExtras = cpo.mExtras;
mSelection = cpo.mSelection;
mSelectionArgs = cpo.mSelectionArgs;
mExpectedCount = cpo.mExpectedCount;
mYieldAllowed = cpo.mYieldAllowed;
mExceptionAllowed = cpo.mExceptionAllowed;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(mType);
Uri.writeToParcel(dest, mUri);
if (mMethod != null) {
dest.writeInt(1);
dest.writeString8(mMethod);
} else {
dest.writeInt(0);
}
if (mArg != null) {
dest.writeInt(1);
dest.writeString8(mArg);
} else {
dest.writeInt(0);
}
if (mValues != null) {
dest.writeInt(mValues.size());
dest.writeArrayMap(mValues);
} else {
dest.writeInt(-1);
}
if (mExtras != null) {
dest.writeInt(mExtras.size());
dest.writeArrayMap(mExtras);
} else {
dest.writeInt(-1);
}
if (mSelection != null) {
dest.writeInt(1);
dest.writeString8(mSelection);
} else {
dest.writeInt(0);
}
dest.writeSparseArray(mSelectionArgs);
if (mExpectedCount != null) {
dest.writeInt(1);
dest.writeInt(mExpectedCount);
} else {
dest.writeInt(0);
}
dest.writeInt(mYieldAllowed ? 1 : 0);
dest.writeInt(mExceptionAllowed ? 1 : 0);
}
/**
* Create a {@link Builder} suitable for building an operation that will
* invoke {@link ContentProvider#insert}.
*
* @param uri The {@link Uri} that is the target of the operation.
*/
public static @NonNull Builder newInsert(@NonNull Uri uri) {
return new Builder(TYPE_INSERT, uri);
}
/**
* Create a {@link Builder} suitable for building an operation that will
* invoke {@link ContentProvider#update}.
*
* @param uri The {@link Uri} that is the target of the operation.
*/
public static @NonNull Builder newUpdate(@NonNull Uri uri) {
return new Builder(TYPE_UPDATE, uri);
}
/**
* Create a {@link Builder} suitable for building an operation that will
* invoke {@link ContentProvider#delete}.
*
* @param uri The {@link Uri} that is the target of the operation.
*/
public static @NonNull Builder newDelete(@NonNull Uri uri) {
return new Builder(TYPE_DELETE, uri);
}
/**
* Create a {@link Builder} suitable for building a
* {@link ContentProviderOperation} to assert a set of values as provided
* through {@link Builder#withValues(ContentValues)}.
*/
public static @NonNull Builder newAssertQuery(@NonNull Uri uri) {
return new Builder(TYPE_ASSERT, uri);
}
/**
* Create a {@link Builder} suitable for building an operation that will
* invoke {@link ContentProvider#call}.
*
* @param uri The {@link Uri} that is the target of the operation.
*/
public static @NonNull Builder newCall(@NonNull Uri uri, @Nullable String method,
@Nullable String arg) {
return new Builder(TYPE_CALL, uri, method, arg);
}
/**
* Gets the Uri for the target of the operation.
*/
public @NonNull Uri getUri() {
return mUri;
}
/**
* Returns true if the operation allows yielding the database to other transactions
* if the database is contended.
*
* @see android.database.sqlite.SQLiteDatabase#yieldIfContendedSafely()
*/
public boolean isYieldAllowed() {
return mYieldAllowed;
}
/**
* Returns true if this operation allows subsequent operations to continue
* even if this operation throws an exception. When true, any encountered
* exception is returned via {@link ContentProviderResult#exception}.
*/
public boolean isExceptionAllowed() {
return mExceptionAllowed;
}
/** @hide exposed for unit tests */
@UnsupportedAppUsage
public int getType() {
return mType;
}
/**
* Returns true if the operation represents a {@link ContentProvider#insert}
* operation.
*
* @see #newInsert
*/
public boolean isInsert() {
return mType == TYPE_INSERT;
}
/**
* Returns true if the operation represents a {@link ContentProvider#delete}
* operation.
*
* @see #newDelete
*/
public boolean isDelete() {
return mType == TYPE_DELETE;
}
/**
* Returns true if the operation represents a {@link ContentProvider#update}
* operation.
*
* @see #newUpdate
*/
public boolean isUpdate() {
return mType == TYPE_UPDATE;
}
/**
* Returns true if the operation represents an assert query.
*
* @see #newAssertQuery
*/
public boolean isAssertQuery() {
return mType == TYPE_ASSERT;
}
/**
* Returns true if the operation represents a {@link ContentProvider#call}
* operation.
*
* @see #newCall
*/
public boolean isCall() {
return mType == TYPE_CALL;
}
/**
* Returns true if the operation represents an insertion, deletion, or update.
*
* @see #isInsert
* @see #isDelete
* @see #isUpdate
*/
public boolean isWriteOperation() {
return mType == TYPE_DELETE || mType == TYPE_INSERT || mType == TYPE_UPDATE;
}
/**
* Returns true if the operation represents an assert query.
*
* @see #isAssertQuery
*/
public boolean isReadOperation() {
return mType == TYPE_ASSERT;
}
/**
* Applies this operation using the given provider. The backRefs array is used to resolve any
* back references that were requested using
* {@link Builder#withValueBackReferences(ContentValues)} and
* {@link Builder#withSelectionBackReference}.
* @param provider the {@link ContentProvider} on which this batch is applied
* @param backRefs a {@link ContentProviderResult} array that will be consulted
* to resolve any requested back references.
* @param numBackRefs the number of valid results on the backRefs array.
* @return a {@link ContentProviderResult} that contains either the {@link Uri} of the inserted
* row if this was an insert otherwise the number of rows affected.
* @throws OperationApplicationException thrown if either the insert fails or
* if the number of rows affected didn't match the expected count
*/
public @NonNull ContentProviderResult apply(@NonNull ContentProvider provider,
@NonNull ContentProviderResult[] backRefs, int numBackRefs)
throws OperationApplicationException {
if (mExceptionAllowed) {
try {
return applyInternal(provider, backRefs, numBackRefs);
} catch (Exception e) {
return new ContentProviderResult(e);
}
} else {
return applyInternal(provider, backRefs, numBackRefs);
}
}
private ContentProviderResult applyInternal(ContentProvider provider,
ContentProviderResult[] backRefs, int numBackRefs)
throws OperationApplicationException {
final ContentValues values = resolveValueBackReferences(backRefs, numBackRefs);
// If the creator requested explicit selection or selectionArgs, it
// should take precedence over similar values they defined in extras
Bundle extras = resolveExtrasBackReferences(backRefs, numBackRefs);
if (mSelection != null) {
extras = (extras != null) ? extras : new Bundle();
extras.putString(ContentResolver.QUERY_ARG_SQL_SELECTION, mSelection);
}
if (mSelectionArgs != null) {
extras = (extras != null) ? extras : new Bundle();
extras.putStringArray(ContentResolver.QUERY_ARG_SQL_SELECTION_ARGS,
resolveSelectionArgsBackReferences(backRefs, numBackRefs));
}
if (mType == TYPE_INSERT) {
final Uri newUri = provider.insert(mUri, values, extras);
if (newUri != null) {
return new ContentProviderResult(newUri);
} else {
throw new OperationApplicationException(
"Insert into " + mUri + " returned no result");
}
} else if (mType == TYPE_CALL) {
final Bundle res = provider.call(mUri.getAuthority(), mMethod, mArg, extras);
return new ContentProviderResult(res);
}
final int numRows;
if (mType == TYPE_DELETE) {
numRows = provider.delete(mUri, extras);
} else if (mType == TYPE_UPDATE) {
numRows = provider.update(mUri, values, extras);
} else if (mType == TYPE_ASSERT) {
// Assert that all rows match expected values
String[] projection = null;
if (values != null) {
// Build projection map from expected values
final ArrayList<String> projectionList = new ArrayList<String>();
for (Map.Entry<String, Object> entry : values.valueSet()) {
projectionList.add(entry.getKey());
}
projection = projectionList.toArray(new String[projectionList.size()]);
}
final Cursor cursor = provider.query(mUri, projection, extras, null);
try {
numRows = cursor.getCount();
if (projection != null) {
while (cursor.moveToNext()) {
for (int i = 0; i < projection.length; i++) {
final String cursorValue = cursor.getString(i);
final String expectedValue = values.getAsString(projection[i]);
if (!TextUtils.equals(cursorValue, expectedValue)) {
// Throw exception when expected values don't match
throw new OperationApplicationException("Found value " + cursorValue
+ " when expected " + expectedValue + " for column "
+ projection[i]);
}
}
}
}
} finally {
cursor.close();
}
} else {
throw new IllegalStateException("bad type, " + mType);
}
if (mExpectedCount != null && mExpectedCount != numRows) {
throw new OperationApplicationException(
"Expected " + mExpectedCount + " rows but actual " + numRows);
}
return new ContentProviderResult(numRows);
}
/**
* Return the values for this operation after resolving any requested
* back-references using the given results.
*
* @param backRefs the results to use when resolving any back-references
* @param numBackRefs the number of results which are valid
*/
public @Nullable ContentValues resolveValueBackReferences(
@NonNull ContentProviderResult[] backRefs, int numBackRefs) {
if (mValues != null) {
final ContentValues values = new ContentValues();
for (int i = 0; i < mValues.size(); i++) {
final Object value = mValues.valueAt(i);
final Object resolved;
if (value instanceof BackReference) {
resolved = ((BackReference) value).resolve(backRefs, numBackRefs);
} else {
resolved = value;
}
values.putObject(mValues.keyAt(i), resolved);
}
return values;
} else {
return null;
}
}
/**
* Return the extras for this operation after resolving any requested
* back-references using the given results.
*
* @param backRefs the results to use when resolving any back-references
* @param numBackRefs the number of results which are valid
*/
public @Nullable Bundle resolveExtrasBackReferences(
@NonNull ContentProviderResult[] backRefs, int numBackRefs) {
if (mExtras != null) {
final Bundle extras = new Bundle();
for (int i = 0; i < mExtras.size(); i++) {
final Object value = mExtras.valueAt(i);
final Object resolved;
if (value instanceof BackReference) {
resolved = ((BackReference) value).resolve(backRefs, numBackRefs);
} else {
resolved = value;
}
extras.putObject(mExtras.keyAt(i), resolved);
}
return extras;
} else {
return null;
}
}
/**
* Return the selection arguments for this operation after resolving any
* requested back-references using the given results.
*
* @param backRefs the results to use when resolving any back-references
* @param numBackRefs the number of results which are valid
*/
public @Nullable String[] resolveSelectionArgsBackReferences(
@NonNull ContentProviderResult[] backRefs, int numBackRefs) {
if (mSelectionArgs != null) {
int max = -1;
for (int i = 0; i < mSelectionArgs.size(); i++) {
max = Math.max(max, mSelectionArgs.keyAt(i));
}
final String[] selectionArgs = new String[max + 1];
for (int i = 0; i < mSelectionArgs.size(); i++) {
final Object value = mSelectionArgs.valueAt(i);
final Object resolved;
if (value instanceof BackReference) {
resolved = ((BackReference) value).resolve(backRefs, numBackRefs);
} else {
resolved = value;
}
selectionArgs[mSelectionArgs.keyAt(i)] = String.valueOf(resolved);
}
return selectionArgs;
} else {
return null;
}
}
/** {@hide} */
public static String typeToString(int type) {
switch (type) {
case TYPE_INSERT: return "insert";
case TYPE_UPDATE: return "update";
case TYPE_DELETE: return "delete";
case TYPE_ASSERT: return "assert";
case TYPE_CALL: return "call";
default: return Integer.toString(type);
}
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("ContentProviderOperation(");
sb.append("type=" + typeToString(mType) + " ");
if (mUri != null) {
sb.append("uri=" + mUri + " ");
}
if (mValues != null) {
sb.append("values=" + mValues + " ");
}
if (mSelection != null) {
sb.append("selection=" + mSelection + " ");
}
if (mSelectionArgs != null) {
sb.append("selectionArgs=" + mSelectionArgs + " ");
}
if (mExpectedCount != null) {
sb.append("expectedCount=" + mExpectedCount + " ");
}
if (mYieldAllowed) {
sb.append("yieldAllowed ");
}
if (mExceptionAllowed) {
sb.append("exceptionAllowed ");
}
sb.deleteCharAt(sb.length() - 1);
sb.append(")");
return sb.toString();
}
@Override
public int describeContents() {
return 0;
}
public static final @android.annotation.NonNull Creator<ContentProviderOperation> CREATOR =
new Creator<ContentProviderOperation>() {
@Override
public ContentProviderOperation createFromParcel(Parcel source) {
return new ContentProviderOperation(source);
}
@Override
public ContentProviderOperation[] newArray(int size) {
return new ContentProviderOperation[size];
}
};
/** {@hide} */
public static class BackReference implements Parcelable {
private final int fromIndex;
private final String fromKey;
private BackReference(int fromIndex, String fromKey) {
this.fromIndex = fromIndex;
this.fromKey = fromKey;
}
public BackReference(Parcel src) {
this.fromIndex = src.readInt();
if (src.readInt() != 0) {
this.fromKey = src.readString8();
} else {
this.fromKey = null;
}
}
public Object resolve(ContentProviderResult[] backRefs, int numBackRefs) {
if (fromIndex >= numBackRefs) {
Log.e(TAG, this.toString());
throw new ArrayIndexOutOfBoundsException("asked for back ref " + fromIndex
+ " but there are only " + numBackRefs + " back refs");
}
ContentProviderResult backRef = backRefs[fromIndex];
Object backRefValue;
if (backRef.extras != null) {
backRefValue = backRef.extras.get(fromKey);
} else if (backRef.uri != null) {
backRefValue = ContentUris.parseId(backRef.uri);
} else {
backRefValue = (long) backRef.count;
}
return backRefValue;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(fromIndex);
if (fromKey != null) {
dest.writeInt(1);
dest.writeString8(fromKey);
} else {
dest.writeInt(0);
}
}
@Override
public int describeContents() {
return 0;
}
public static final @android.annotation.NonNull Creator<BackReference> CREATOR =
new Creator<BackReference>() {
@Override
public BackReference createFromParcel(Parcel source) {
return new BackReference(source);
}
@Override
public BackReference[] newArray(int size) {
return new BackReference[size];
}
};
}
/**
* Used to add parameters to a {@link ContentProviderOperation}. The {@link Builder} is
* first created by calling {@link ContentProviderOperation#newInsert(android.net.Uri)},
* {@link ContentProviderOperation#newUpdate(android.net.Uri)},
* {@link ContentProviderOperation#newDelete(android.net.Uri)} or
* {@link ContentProviderOperation#newAssertQuery(Uri)}. The withXXX methods
* can then be used to add parameters to the builder. See the specific methods to find for
* which {@link Builder} type each is allowed. Call {@link #build} to create the
* {@link ContentProviderOperation} once all the parameters have been supplied.
*/
public static class Builder {
private final int mType;
private final Uri mUri;
private final String mMethod;
private final String mArg;
private ArrayMap<String, Object> mValues;
private ArrayMap<String, Object> mExtras;
private String mSelection;
private SparseArray<Object> mSelectionArgs;
private Integer mExpectedCount;
private boolean mYieldAllowed;
private boolean mExceptionAllowed;
private Builder(int type, Uri uri) {
this(type, uri, null, null);
}
private Builder(int type, Uri uri, String method, String arg) {
mType = type;
mUri = Objects.requireNonNull(uri);
mMethod = method;
mArg = arg;
}
/** Create a ContentProviderOperation from this {@link Builder}. */
public @NonNull ContentProviderOperation build() {
if (mType == TYPE_UPDATE) {
if ((mValues == null || mValues.isEmpty())) {
throw new IllegalArgumentException("Empty values");
}
}
if (mType == TYPE_ASSERT) {
if ((mValues == null || mValues.isEmpty())
&& (mExpectedCount == null)) {
throw new IllegalArgumentException("Empty values");
}
}
return new ContentProviderOperation(this);
}
private void ensureValues() {
if (mValues == null) {
mValues = new ArrayMap<>();
}
}
private void ensureExtras() {
if (mExtras == null) {
mExtras = new ArrayMap<>();
}
}
private void ensureSelectionArgs() {
if (mSelectionArgs == null) {
mSelectionArgs = new SparseArray<>();
}
}
private void setValue(@NonNull String key, @NonNull Object value) {
ensureValues();
final boolean oldReference = mValues.get(key) instanceof BackReference;
final boolean newReference = value instanceof BackReference;
if (!oldReference || newReference) {
mValues.put(key, value);
}
}
private void setExtra(@NonNull String key, @NonNull Object value) {
ensureExtras();
final boolean oldReference = mExtras.get(key) instanceof BackReference;
final boolean newReference = value instanceof BackReference;
if (!oldReference || newReference) {
mExtras.put(key, value);
}
}
private void setSelectionArg(int index, @NonNull Object value) {
ensureSelectionArgs();
final boolean oldReference = mSelectionArgs.get(index) instanceof BackReference;
final boolean newReference = value instanceof BackReference;
if (!oldReference || newReference) {
mSelectionArgs.put(index, value);
}
}
/**
* Configure the values to use for this operation. This method will
* replace any previously defined values for the contained keys, but it
* will not replace any back-reference requests.
* <p>
* Any value may be dynamically overwritten using the result of a
* previous operation by using methods such as
* {@link #withValueBackReference(String, int)}.
*/
public @NonNull Builder withValues(@NonNull ContentValues values) {
assertValuesAllowed();
ensureValues();
final ArrayMap<String, Object> rawValues = values.getValues();
for (int i = 0; i < rawValues.size(); i++) {
setValue(rawValues.keyAt(i), rawValues.valueAt(i));
}
return this;
}
/**
* Configure the given value to use for this operation. This method will
* replace any previously defined value for this key.
*
* @param key the key indicating which value to configure
*/
public @NonNull Builder withValue(@NonNull String key, @Nullable Object value) {
assertValuesAllowed();
if (!ContentValues.isSupportedValue(value)) {
throw new IllegalArgumentException("bad value type: " + value.getClass().getName());
}
setValue(key, value);
return this;
}
/**
* Configure the given values to be dynamically overwritten using the
* result of a previous operation. This method will replace any
* previously defined values for these keys.
*
* @param backReferences set of values where the key indicates which
* value to configure and the value the index indicating
* which historical {@link ContentProviderResult} should
* overwrite the value
*/
public @NonNull Builder withValueBackReferences(@NonNull ContentValues backReferences) {
assertValuesAllowed();
final ArrayMap<String, Object> rawValues = backReferences.getValues();
for (int i = 0; i < rawValues.size(); i++) {
setValue(rawValues.keyAt(i),
new BackReference((int) rawValues.valueAt(i), null));
}
return this;
}
/**
* Configure the given value to be dynamically overwritten using the
* result of a previous operation. This method will replace any
* previously defined value for this key.
*
* @param key the key indicating which value to configure
* @param fromIndex the index indicating which historical
* {@link ContentProviderResult} should overwrite the value
*/
public @NonNull Builder withValueBackReference(@NonNull String key, int fromIndex) {
assertValuesAllowed();
setValue(key, new BackReference(fromIndex, null));
return this;
}
/**
* Configure the given value to be dynamically overwritten using the
* result of a previous operation. This method will replace any
* previously defined value for this key.
*
* @param key the key indicating which value to configure
* @param fromIndex the index indicating which historical
* {@link ContentProviderResult} should overwrite the value
* @param fromKey the key of indicating which
* {@link ContentProviderResult#extras} value should
* overwrite the value
*/
public @NonNull Builder withValueBackReference(@NonNull String key, int fromIndex,
@NonNull String fromKey) {
assertValuesAllowed();
setValue(key, new BackReference(fromIndex, fromKey));
return this;
}
/**
* Configure the extras to use for this operation. This method will
* replace any previously defined values for the contained keys, but it
* will not replace any back-reference requests.
* <p>
* Any value may be dynamically overwritten using the result of a
* previous operation by using methods such as
* {@link #withExtraBackReference(String, int)}.
*/
public @NonNull Builder withExtras(@NonNull Bundle extras) {
assertExtrasAllowed();
ensureExtras();
for (String key : extras.keySet()) {
setExtra(key, extras.get(key));
}
return this;
}
/**
* Configure the given extra to use for this operation. This method will
* replace any previously defined extras for this key.
*
* @param key the key indicating which extra to configure
*/
public @NonNull Builder withExtra(@NonNull String key, @Nullable Object value) {
assertExtrasAllowed();
setExtra(key, value);
return this;
}
/**
* Configure the given extra to be dynamically overwritten using the
* result of a previous operation. This method will replace any
* previously defined extras for this key.
*
* @param key the key indicating which extra to configure
* @param fromIndex the index indicating which historical
* {@link ContentProviderResult} should overwrite the extra
*/
public @NonNull Builder withExtraBackReference(@NonNull String key, int fromIndex) {
assertExtrasAllowed();
setExtra(key, new BackReference(fromIndex, null));
return this;
}
/**
* Configure the given extra to be dynamically overwritten using the
* result of a previous operation. This method will replace any
* previously defined extras for this key.
*
* @param key the key indicating which extra to configure
* @param fromIndex the index indicating which historical
* {@link ContentProviderResult} should overwrite the extra
* @param fromKey the key of indicating which
* {@link ContentProviderResult#extras} value should
* overwrite the extra
*/
public @NonNull Builder withExtraBackReference(@NonNull String key, int fromIndex,
@NonNull String fromKey) {
assertExtrasAllowed();
setExtra(key, new BackReference(fromIndex, fromKey));
return this;
}
/**
* Configure the selection and selection arguments to use for this
* operation. This method will replace any previously defined selection
* and selection arguments, but it will not replace any back-reference
* requests.
* <p>
* An occurrence of {@code ?} in the selection will be replaced with the
* corresponding selection argument when the operation is executed.
* <p>
* Any selection argument may be dynamically overwritten using the
* result of a previous operation by using methods such as
* {@link #withSelectionBackReference(int, int)}.
*/
public @NonNull Builder withSelection(@Nullable String selection,
@Nullable String[] selectionArgs) {
assertSelectionAllowed();
mSelection = selection;
if (selectionArgs != null) {
ensureSelectionArgs();
for (int i = 0; i < selectionArgs.length; i++) {
setSelectionArg(i, selectionArgs[i]);
}
}
return this;
}
/**
* Configure the given selection argument to be dynamically overwritten
* using the result of a previous operation. This method will replace
* any previously defined selection argument at this index.
*
* @param index the index indicating which selection argument to
* configure
* @param fromIndex the index indicating which historical
* {@link ContentProviderResult} should overwrite the
* selection argument
*/
public @NonNull Builder withSelectionBackReference(int index, int fromIndex) {
assertSelectionAllowed();
setSelectionArg(index, new BackReference(fromIndex, null));
return this;
}
/**
* Configure the given selection argument to be dynamically overwritten
* using the result of a previous operation. This method will replace
* any previously defined selection argument at this index.
*
* @param index the index indicating which selection argument to
* configure
* @param fromIndex the index indicating which historical
* {@link ContentProviderResult} should overwrite the
* selection argument
* @param fromKey the key of indicating which
* {@link ContentProviderResult#extras} value should
* overwrite the selection argument
*/
public @NonNull Builder withSelectionBackReference(int index, int fromIndex,
@NonNull String fromKey) {
assertSelectionAllowed();
setSelectionArg(index, new BackReference(fromIndex, fromKey));
return this;
}
/**
* If set then if the number of rows affected by this operation does not match
* this count {@link OperationApplicationException} will be throw.
* This can only be used with builders of type update, delete, or assert.
* @return this builder, to allow for chaining.
*/
public @NonNull Builder withExpectedCount(int count) {
if (mType != TYPE_UPDATE && mType != TYPE_DELETE && mType != TYPE_ASSERT) {
throw new IllegalArgumentException(
"only updates, deletes, and asserts can have expected counts");
}
mExpectedCount = count;
return this;
}
/**
* If set to true then the operation allows yielding the database to other transactions
* if the database is contended.
* @return this builder, to allow for chaining.
* @see android.database.sqlite.SQLiteDatabase#yieldIfContendedSafely()
*/
public @NonNull Builder withYieldAllowed(boolean yieldAllowed) {
mYieldAllowed = yieldAllowed;
return this;
}
/**
* If set to true, this operation allows subsequent operations to
* continue even if this operation throws an exception. When true, any
* encountered exception is returned via
* {@link ContentProviderResult#exception}.
*/
public @NonNull Builder withExceptionAllowed(boolean exceptionAllowed) {
mExceptionAllowed = exceptionAllowed;
return this;
}
/** {@hide} */
public @NonNull Builder withFailureAllowed(boolean failureAllowed) {
return withExceptionAllowed(failureAllowed);
}
private void assertValuesAllowed() {
switch (mType) {
case TYPE_INSERT:
case TYPE_UPDATE:
case TYPE_ASSERT:
break;
default:
throw new IllegalArgumentException(
"Values not supported for " + typeToString(mType));
}
}
private void assertSelectionAllowed() {
switch (mType) {
case TYPE_UPDATE:
case TYPE_DELETE:
case TYPE_ASSERT:
break;
default:
throw new IllegalArgumentException(
"Selection not supported for " + typeToString(mType));
}
}
private void assertExtrasAllowed() {
switch (mType) {
case TYPE_INSERT:
case TYPE_UPDATE:
case TYPE_DELETE:
case TYPE_ASSERT:
case TYPE_CALL:
break;
default:
throw new IllegalArgumentException(
"Extras not supported for " + typeToString(mType));
}
}
}
}